Most Hits in a season
  255 -  Addie Seidita (Detroit), 2026
  249 -  Bill Dennis (Pittsburgh), 2020
  248 -  Addie Seidita (Detroit), 2024
  244 -  Borja Meres (Melbourne), 2031
  241 -  Bill Dennis (Edinburgh), 2022
  238 -  Addie Seidita (Extremedura), 2031
         Vaughn Heckathorn (London), 2029
         Bradford Bertolli (London), 2027
         Bill Dennis (Pittsburgh), 2021
         Ricky Gomez (Morocco), 2020
         Addie Seidita (Extremedura), 2028
  235 -  Elder Friscia (Detroit), 2030
  233 -  Jess Whooley (St. Kizer), 2031
         Dick Marion (Morocco), 2022
  230 -  Mike Herrt (Siberia), 2029

Most At-Bats in a season
  733 -  Cornel Vang (Mexico City), 2020
  719 -  Bubber Plaskett (Heidelberg), 2031
  713 -  Leland Barritt (Central), 2020
         Addie Seidita (Detroit), 2026
  712 -  Darren Miller (Edinburgh), 2023
         Cornel Vang (Mexico City), 2024
  711 -  Alf Clabaugh (Westmoreland), 2020
  710 -  Gonzalo Apator (Stockholm), 2031
         Cornel Vang (Mexico City), 2021
  708 -  Lenzell Fahnestock (Roman), 2031
         Morris Belford (Paris), 2026
  706 -  Niko Hetzer (Delaware), 2028
  705 -  Oniel Birdsell (Liverpool), 2023
         Alva Edison (Westmoreland), 2024
  703 -  Roxey Murnan (Melbourne), 2031

Most Homeruns in a season
   54 -  Borja Meres (Melbourne), 2031
         Vaughn Heckathorn (London), 2029
   50 -  Clancy Sanos (Pittsburgh), 2031
   47 -  Jarrod Yastrzemski (Pittsburgh), 2031
         Vaughn Heckathorn (London), 2031
         Scrappy Wuebker (Delaware), 2028
   46 -  Borja Meres (Melbourne), 2029
         Torrion Ransone (Melbourne), 2020
   45 -  Jarrod Yastrzemski (Pittsburgh), 2027
         Addie Seidita (Extremedura), 2028
         Borja Meres (Melbourne), 2030
   44 -  Mike Herrt (Siberia), 2031
         Burleigh Welcome (Mexico City), 2031
         Addie Seidita (Extremedura), 2031
         Vaughn Heckathorn (London), 2027

Most Triples in a season
   18 -  Bill Klee (Morocco), 2020
   12 -  Octavious Landero (Paris), 2027
   10 -  Delos Sanches (Honolulu), 2031
         Bubber Plaskett (Heidelberg), 2026
    9 -  Alana Bastida (Honolulu), 2031
    8 -  Mike Quinteros (Honolulu), 2031
         Jeb Magnant (Shanghai), 2029
         Omer Breed (Harbor), 2027
         Elmo Kate (St. Kizer), 2024
         Abdul Saula (Alaska), 2024
         Jonas Milholland (Honolulu), 2030
    7 -  Gaston Suss (Calgary), 2031
         Val Schee (Honolulu), 2031
         Elmo Kate (St. Kizer), 2023
         Elmo Kate (St. Kizer), 2021

Most Doubles in a season
   81 -  Tom Gass (Helsinki), 2027
   74 -  Jeff Gunderson (Delaware), 2023
   73 -  Jamison Ballengee (Pittsburgh), 2021
   72 -  Bill Dennis (Pittsburgh), 2021
   71 -  Bradford Bertolli (London), 2027
         Barry Tanger (Morocco), 2027
         Brownie Schofield (San Juan), 2023
         Addie Seidita (Extremedura), 2030
         Robin Melnick (St. Kizer), 2030
   70 -  Tajh Humphries (Extremedura), 2029
         Cornel Vang (Mexico City), 2026
   69 -  Braylin Manhardt (Paris), 2028
   68 -  Claude Spol (Liverpool), 2029
         Bill Dennis (Pittsburgh), 2020
         Mikale Hayter (Honolulu), 2026

Most Singles in a season
  159 -  Josejuan Demko (London), 2031
  158 -  Addie Seidita (Detroit), 2026
  157 -  Raheem Calise (Alaska), 2027
  156 -  Allie Debuhr (Melbourne), 2029
  153 -  Trader Bressi (Detroit), 2026
  152 -  Elder Friscia (Detroit), 2030
  151 -  Brody Bye (Morocco), 2025
         Allie Debuhr (Melbourne), 2028
         Gene Taft (Hammerfest), 2030
  150 -  Jess Whooley (St. Kizer), 2031
         Brandon Barillas (Melbourne), 2029
  149 -  Robin Melnick (St. Kizer), 2029
         Robin Melnick (St. Kizer), 2028
  148 -  Jamison Ballengee (Paris), 2026
         Bing Carinio (Liverpool), 2030

Most Total Bases in a season
  459 -  Borja Meres (Melbourne), 2031
  452 -  Vaughn Heckathorn (London), 2029
  440 -  Bradford Bertolli (London), 2027
         Bill Dennis (Pittsburgh), 2020
  436 -  Addie Seidita (Extremedura), 2028
  429 -  Addie Seidita (Detroit), 2024
  428 -  Addie Seidita (Extremedura), 2031
  427 -  Bill Dennis (Pittsburgh), 2021
  420 -  Addie Seidita (Detroit), 2026
  417 -  Vaughn Heckathorn (London), 2031
         Borja Meres (Melbourne), 2029
  415 -  Dick Marion (Morocco), 2022
  414 -  Bradford Bertolli (London), 2024
  412 -  Jamison Ballengee (Pittsburgh), 2021
  409 -  Clancy Sanos (Pittsburgh), 2031

Most RBI in a season
  157 -  Vaughn Heckathorn (London), 2029
         Burleigh Welcome (Pittsburgh), 2020
  151 -  Jarrod Yastrzemski (Pittsburgh), 2031
  149 -  Addie Seidita (Morocco), 2027
  148 -  Simon Wuebker (Siberia), 2030
  143 -  Addie Seidita (Extremedura), 2031
  140 -  Tom Salyer (Delaware), 2021
  139 -  Italo Yost (London), 2025
         Addie Seidita (Detroit), 2024
  138 -  Borja Meres (Melbourne), 2031
  137 -  Dick Marion (Morocco), 2022
  136 -  Vaughn Heckathorn (London), 2031
  135 -  Bradford Bertolli (London), 2031
  133 -  Simon Wuebker (Siberia), 2031
         Jose Buffum (London), 2031

Most Runs in a season
  163 -  Bradford Bertolli (London), 2027
  150 -  Bill Dennis (Pittsburgh), 2020
  147 -  Clancy Sanos (Pittsburgh), 2031
  145 -  Borja Meres (Melbourne), 2031
  144 -  Silas Cavanagh (Siberia), 2031
         Abbott Wrich (Pittsburgh), 2020
  142 -  Dick Marion (Morocco), 2022
  140 -  Braylin Manhardt (Detroit), 2026
  139 -  Addie Seidita (Detroit), 2026
  135 -  Vaughn Heckathorn (London), 2031
         Jeff Gunderson (Delaware), 2021
  131 -  Mike Herrt (Siberia), 2029
         Ricky Gomez (Morocco), 2020
         Tate Tantillo (Siberia), 2030
  130 -  Mike Herrt (Siberia), 2031

Most Stolen Bases in a season
   55 -  Braylin Manhardt (Detroit), 2024
   54 -  Sage Rabideau (Alaska), 2023
         Zinn Kauffmann (Alaska), 2024
   53 -  Alana Bastida (Honolulu), 2031
         Torrion Ransone (Detroit), 2024
   52 -  Gonzo Alater (Siberia), 2031
         Braylin Manhardt (Detroit), 2025
         Elder Friscia (Detroit), 2026
   49 -  Stewie Clinger (Alaska), 2023
   48 -  Silas Cavanagh (Siberia), 2031
         Brownie Schofield (San Juan), 2029
   47 -  Jess Whooley (St. Kizer), 2029
         Hal Burham (Detroit), 2023
         Stewie Clinger (Alaska), 2021
         Hal Burham (Detroit), 2020

Most Times Caught Stealing in a season
   28 -  Dick Marion (Morocco), 2022
   26 -  Sherry Garbarino (Edinburgh), 2022
   25 -  Nate Schoenle (Pocatello), 2029
         Sherry Garbarino (Edinburgh), 2023
         Alana Bastida (Honolulu), 2024
         Santo Spahn (Pocatello), 2028
   24 -  Allie Debuhr (Melbourne), 2031
         Sherry Garbarino (Edinburgh), 2020
   23 -  Alana Bastida (Honolulu), 2029
         Hal Burham (Detroit), 2023
         Elder Friscia (Detroit), 2022
         Cornel Vang (Mexico City), 2026
         Baron Stalling (Alaska), 2026
         Carden Brault (Detroit), 2028
         Alana Bastida (Honolulu), 2030

Most Times Struckout in a season
  147 -  Keymon Leep (Pittsburgh), 2022
  145 -  Cornel Vang (Mexico City), 2020
  144 -  Leland Barritt (Central), 2020
         Cornel Vang (Mexico City), 2030
  142 -  Merton Rattler (Heidelberg), 2024
  141 -  Jose Samra (Melbourne), 2020
         Dalen Bryant (Heidelberg), 2028
  140 -  Elbie Talaska (Alaska), 2029
         Leland Barritt (Central), 2021
         Frank Duckworth (Honolulu), 2021
         Breckan Ruozzo (Harbor), 2020
         Dalen Bryant (Heidelberg), 2022
  139 -  Holmes Massar (Westmoreland), 2020
  137 -  Otto Orwell (Harbor), 2025
  136 -  Freddy Pfingsten (Liverpool), 2020

Most Times Walked in a season
  109 -  Elder Friscia (Detroit), 2026
  106 -  Rhio Hinks (London), 2031
  105 -  Dick Marion (Morocco), 2022
  104 -  Mike Herrt (Siberia), 2029
         Arch Hruby (St. Kizer), 2029
         Robb Husted (St. Kizer), 2029
         Jess Whooley (St. Kizer), 2030
  102 -  Jess Whooley (St. Kizer), 2027
         Tom Salyer (Delaware), 2025
         Ollie Kela (Snake River), 2023
  101 -  Tod Hollyfield (Edinburgh), 2029
         Ollie Kela (Snake River), 2025
         Nate Schoenle (Pocatello), 2028
   99 -  Braylin Manhardt (Detroit), 2026
   98 -  Bradford Bertolli (London), 2027

Most Sacrifice Hits in a season
    9 -  Byrd Gooslin (Central), 2025
    8 -  Sike Ella (Melbourne), 2020
    7 -  Muataz Troff (St. Kizer), 2020
    6 -  Byrd Gooslin (Central), 2026
    5 -  Leonnel Brick (St. Kizer), 2020
    4 -  Byrd Gooslin (Central), 2024
    3 -  Kevon Haber (Paris), 2031
         Sal Hickey (Westmoreland), 2031
         Brian Miller (Stockholm), 2023
         Boardwalk Henly (Westmoreland), 2021
         Butts Knittel (Heidelberg), 2022
    2 -  Jeffrey Sonn (Heidelberg), 2031
         Piotr Winkler (Stockholm), 2031
         Al Drink (Mexico City), 2031
         Ramiro Ater (Westmoreland), 2026

Most Sacrifice Flies in a season
   20 -  Simon Wuebker (Siberia), 2030
   19 -  Baron Munchausen (Detroit), 2027
         Cloud Tyminski (Morocco), 2026
   18 -  Elder Friscia (Detroit), 2023
         Zach Callais (Mexico City), 2021
   17 -  Santo Spahn (Pocatello), 2026
   16 -  Torrion Ransone (Detroit), 2027
         Addie Seidita (Morocco), 2027
         Cloud Tyminski (Morocco), 2020
         Torrion Ransone (Detroit), 2026
         Goose Gost (Central), 2026
   15 -  Stewie Clinger (Alaska), 2021
         Ricky Gomez (Morocco), 2020
         Darrold Pontious (Mexico City), 2028
         Tunis Schmieder (Shanghai), 2030

Most Times Hit By Pitch in a season (The Jeff Blauser Award)
   17 -  Zach Leko (Paris), 2026
   12 -  Sixto Ciardullo (Central), 2023
         Tod Hollyfield (Edinburgh), 2030
   11 -  Rueben Godinho (Detroit), 2022
         Vaughn Heckathorn (London), 2030
   10 -  Ed Holla (Hammerfest), 2029
         Howie Castillo (Harbor), 2027
         Cooper Kachelmeyer (Helsinki), 2027
         Toddrick Behunin (Snake River), 2021
         Jose Samra (Melbourne), 2022
         Chief Sellner (Shanghai), 2022
         Ryan Zollars (Paris), 2022
         Hank Strang (Central), 2022
         Abdul Saula (Alaska), 2024
         Ray Husted (Paris), 2028

Most Times Intentionally Walked in a season
   18 -  Keith Socal (St. Kizer), 2020
   15 -  Tom Salyer (Delaware), 2023
         Burleigh Welcome (Mexico City), 2023
   14 -  Raheem Calise (Alaska), 2027
   13 -  Uke Stefero (Pocatello), 2031
         Jamison Ballengee (Paris), 2023
         Burleigh Welcome (Mexico City), 2022
         Jervoris Reiniger (Heidelberg), 2026
         Simon Wuebker (Siberia), 2026
         Jim Nugent (Honolulu), 2030
   12 -  Kristian Holguin (Heidelberg), 2029
         Val Schee (Honolulu), 2029
         Bradford Bertolli (London), 2027
         Benito Kolacki (Helsinki), 2025
         Armaanpree Crislip (Extremedura), 2025

Most Times Grounded Into Double Play in a season
   50 -  Romario Henzel (Hammerfest), 2030
   47 -  Chris Verrill (Edinburgh), 2029
         Romario Henzel (Hammerfest), 2029
         Allie Debuhr (Melbourne), 2027
   46 -  Allie Debuhr (Melbourne), 2030
   45 -  Cisco Lauterbach (Pittsburgh), 2025
   44 -  Romario Henzel (Hammerfest), 2031
         Cisco Lauterbach (Pittsburgh), 2028
   43 -  Timmy Balzer (Pittsburgh), 2027
   42 -  Emil Morales (Paris), 2031
         Timmy Balzer (Pittsburgh), 2030
   41 -  Val Schee (Honolulu), 2031
         Elmer Manocchio (Pittsburgh), 2025
         Chris Verrill (Liverpool), 2026
   40 -  Tom Salyer (Delaware), 2029

Most Wins in a season
   30 -  Clarence Doles (Mexico City), 2026
   25 -  Rutger Kanipe (St. Kizer), 2029
         Favel Daloia (Paris), 2021
         Ted McCaulley (Detroit), 2020
         Bob Warren (Morocco), 2022
   24 -  Ted McCaulley (Detroit), 2027
         Ted McCaulley (Detroit), 2021
         Gordon Winsett (Calgary), 2021
         Eliot Mautz (Edinburgh), 2021
         Bill Perry (Alaska), 2020
         Joel Andersson (Detroit), 2022
         Dakota Shimada (Edinburgh), 2022
   23 -  Clarence Doles (Mexico City), 2021
         Joel Andersson (Detroit), 2020
         Romone Sieben (Extremedura), 2030

Most Losses in a season
   24 -  Ensign Trippi (Extremedura), 2021
         Adeyemi Tee (Roman), 2020
   23 -  Esau Stoltz (Liverpool), 2029
         Sammy Iron (Harbor), 2021
   22 -  Sean Mill (Delaware), 2031
         Zack Meads (Shanghai), 2029
         Garth Parrilla (Melbourne), 2025
         Merwin Hendershott (Extremedura), 2021
         Jim Monteagudo (St. Kizer), 2020
         Sammy Iron (Harbor), 2024
         Esau Stoltz (Liverpool), 2024
         Ike Cameo (Central), 2026
   21 -  Jakub Heston (Central), 2020
         Greg Brock (Stockholm), 2022
         Braydon Curfman (Shanghai), 2030

Most Batters Facing Pitcher in a season
 1163 -  Cortlan Livers (Calgary), 2022
 1153 -  Cortlan Livers (Calgary), 2025
 1139 -  Kyran Bitters (Paris), 2031
 1134 -  Brogan Drovin (Snake River), 2020
 1131 -  Garven Rokosz (London), 2027
 1113 -  Clarence Doles (Mexico City), 2026
 1103 -  Chris Leisenring (Snake River), 2026
 1098 -  Ted McCaulley (Detroit), 2027
 1093 -  Cornel Dannels (Westmoreland), 2030
 1089 -  Laterron Yerkes (Shanghai), 2020
 1087 -  Brogan Drovin (Snake River), 2023
 1084 -  Cortlan Livers (Calgary), 2024
 1083 -  Chris Leisenring (Snake River), 2024
 1082 -  Daniyal Atwater (Mexico City), 2027
         Clarence Doles (Morocco), 2030

Most At Bats Pitched in a season
 1082 -  Cortlan Livers (Calgary), 2022
 1068 -  Brogan Drovin (Snake River), 2020
 1059 -  Cortlan Livers (Calgary), 2025
 1057 -  Clarence Doles (Mexico City), 2026
 1035 -  Garven Rokosz (London), 2027
 1032 -  Cornel Dannels (Westmoreland), 2030
         Clarence Doles (Morocco), 2030
 1025 -  Ted McCaulley (Detroit), 2027
 1022 -  Cortlan Livers (Calgary), 2024
 1016 -  Kyran Bitters (Paris), 2031
         Brogan Drovin (Snake River), 2023
 1014 -  Chris Leisenring (Snake River), 2026
 1008 -  Joel Andersson (Extremedura), 2029
         Chris Leisenring (Snake River), 2024
 1007 -  Lemmie Burnison (Delaware), 2021

Most Hits Allowed in a season
  325 -  Kyran Bitters (Paris), 2031
  305 -  Mike Capustano (Mexico City), 2027
  303 -  Esau Stoltz (Liverpool), 2024
  295 -  Mans Maynella (Detroit), 2030
  294 -  Lemmie Burnison (Delaware), 2021
         Deshaun Coron (Melbourne), 2030
  292 -  Cortlan Livers (Calgary), 2025
  289 -  Esau Stoltz (Liverpool), 2029
  287 -  Carlos Allgaier (Shanghai), 2028
  285 -  Brogan Drovin (Snake River), 2020
  284 -  Pierce Agler (Roman), 2025
  283 -  Damone Chronis (Detroit), 2029
         Esau Stoltz (Liverpool), 2021
  282 -  Cortlan Livers (Calgary), 2024
  280 -  Yudai Boen (Siberia), 2021

Most Homeruns Allowed in a season
   73 -  Deshaun Coron (Melbourne), 2030
   68 -  Deshaun Coron (Melbourne), 2029
   62 -  Adeyemi Tee (Roman), 2031
         Adeyemi Tee (Roman), 2020
   58 -  Merwin Hendershott (Extremedura), 2021
   55 -  Yudai Boen (Siberia), 2021
         Rollie Hayworth (Melbourne), 2020
         Damone Chronis (Extremedura), 2022
         Arlas Cammon (Central), 2024
   54 -  Deshaun Coron (Melbourne), 2031
         Boss Mithcell (Harbor), 2031
         Arlas Cammon (Central), 2025
   53 -  Geneva Petitti (Central), 2031
         Ensign Trippi (Extremedura), 2021
   52 -  Raynier Soze (London), 2027

Most Triples Allowed in a season
    5 -  Rosy Vincik (Helsinki), 2026
    4 -  Jim Monteagudo (St. Kizer), 2020
         Johnie Degasperis (Harbor), 2022
         Mo Buganski (Liverpool), 2030
         Mans Maynella (Detroit), 2030
    3 -  Tim Berliner (Helsinki), 2031
         Jing Zhao (Mexico City), 2031
         Alyssa Neff (Harbor), 2031
         Al Edimo (Morocco), 2031
         Norman Silvestri (Alaska), 2031
         Mervyn Sondag (Hammerfest), 2031
         Colt Capetillo (Harbor), 2031
         Vida Ferro (St. Kizer), 2031
         Nam Putney (Helsinki), 2031
         Alexander Salvatierra (Pocatello), 2031

Most Doubles Allowed in a season
   92 -  Esau Stoltz (Liverpool), 2027
         Damone Chronis (Detroit), 2030
   90 -  Gavin Lu (Honolulu), 2023
   89 -  Laurence Markow (Honolulu), 2020
   86 -  Baily Salais (Liverpool), 2025
   85 -  Burley Hass (Honolulu), 2023
   84 -  Keeton Seyller (Shanghai), 2023
   82 -  Garven Rokosz (London), 2027
         Cullen Navor (Detroit), 2020
   81 -  Clarence Doles (Paris), 2027
         Pat MacGru (San Juan), 2020
         Burley Hass (Honolulu), 2022
         Lucas Kirkbride (San Juan), 2022
         Esau Stoltz (Liverpool), 2024
         JoJo Goldberg (Delaware), 2030

Most Singles Allowed in a season
  209 -  Kyran Bitters (Paris), 2031
  205 -  Cortlan Livers (Calgary), 2025
  200 -  Cortlan Livers (Calgary), 2024
  195 -  Brogan Drovin (Snake River), 2020
  193 -  Mike Capustano (Mexico City), 2027
  191 -  Ted McCaulley (Paris), 2028
  188 -  Colin Tabarez (Snake River), 2030
  187 -  Lemmie Burnison (Delaware), 2021
  184 -  Mans Maynella (Detroit), 2030
  183 -  Jing Zhao (Morocco), 2025
  181 -  Pierce Agler (Roman), 2025
  180 -  Chris Leisenring (Snake River), 2023
  179 -  Chris Leisenring (Snake River), 2025
         Yudai Boen (Siberia), 2021
  178 -  Vida Ferro (St. Kizer), 2031

Most Total Bases Allowed in a season
  325 -  Kyran Bitters (Paris), 2031
  305 -  Mike Capustano (Mexico City), 2027
  303 -  Esau Stoltz (Liverpool), 2024
  295 -  Mans Maynella (Detroit), 2030
  294 -  Lemmie Burnison (Delaware), 2021
         Deshaun Coron (Melbourne), 2030
  292 -  Cortlan Livers (Calgary), 2025
  289 -  Esau Stoltz (Liverpool), 2029
  287 -  Carlos Allgaier (Shanghai), 2028
  285 -  Brogan Drovin (Snake River), 2020
  284 -  Pierce Agler (Roman), 2025
  283 -  Damone Chronis (Detroit), 2029
         Esau Stoltz (Liverpool), 2021
  282 -  Cortlan Livers (Calgary), 2024
  280 -  Yudai Boen (Siberia), 2021

Most Strikeouts Recorded in a season
  237 -  Brogan Drovin (Snake River), 2020
  227 -  Cornel Dannels (Westmoreland), 2030
  222 -  Dakota Shimada (Edinburgh), 2021
  217 -  Clarence Doles (Mexico City), 2026
  216 -  Lena Mackert (Morocco), 2030
  214 -  Preacher Moniz (Morocco), 2022
  213 -  Brogan Drovin (Snake River), 2022
         Tim May (Westmoreland), 2028
         Jules Tatum (Westmoreland), 2030
  212 -  Jarrod McCann (Pittsburgh), 2029
         Brogan Drovin (Snake River), 2023
         Brogan Drovin (Snake River), 2024
  211 -  Tim May (Westmoreland), 2027
  210 -  Tim May (Westmoreland), 2030
  207 -  Brogan Drovin (Snake River), 2021

Most Walks Recorded in a season
  180 -  Jeremy Scothorn (Detroit), 2029
  171 -  Ike Cameo (Central), 2023
  153 -  Ethan Kimmey (Stockholm), 2031
         Sal Ledingham (Pocatello), 2022
  150 -  Mikale Harn (Snake River), 2024
  146 -  Sal Ledingham (Pocatello), 2023
  143 -  Mikale Harn (Snake River), 2026
  141 -  Ike Cameo (Central), 2024
  140 -  Sanketh Carbonaro (San Juan), 2023
  137 -  Algie Angiolillo (Liverpool), 2031
  135 -  Lane Barrientez (Shanghai), 2031
  134 -  Bugs Sidman (Stockholm), 2021
  133 -  Bob Athey (Siberia), 2025
         Bob Athey (Siberia), 2024
  132 -  Bo Biber (San Juan), 2026

Most Earned Runs Allowed in a season
  178 -  Arlas Cammon (Central), 2024
         Deshaun Coron (Melbourne), 2030
  169 -  Deshaun Coron (Melbourne), 2029
         Ensign Trippi (Extremedura), 2020
  159 -  Kyran Bitters (Paris), 2031
         Sammy Iron (Harbor), 2022
  158 -  Emil Kreis (Liverpool), 2026
  157 -  Key Boissy (Liverpool), 2020
         Adeyemi Tee (Roman), 2020
  155 -  Ensign Trippi (Extremedura), 2021
  154 -  Adeyemi Tee (Roman), 2021
  153 -  Arlas Cammon (Central), 2022
  150 -  Punch Lumpkin (Paris), 2031
         Esau Stoltz (Liverpool), 2024
  149 -  Arlas Lamorte (Liverpool), 2029

Most RBI Allowed in a season
  178 -  Deshaun Coron (Melbourne), 2030
  169 -  Arlas Cammon (Central), 2024
  166 -  Ensign Trippi (Extremedura), 2020
  162 -  Deshaun Coron (Melbourne), 2029
  161 -  Kyran Bitters (Paris), 2031
         Sammy Iron (Harbor), 2022
  156 -  Ensign Trippi (Extremedura), 2021
  155 -  Merwin Hendershott (Extremedura), 2021
  150 -  Adeyemi Tee (Roman), 2020
  148 -  Key Boissy (Liverpool), 2020
  146 -  Esau Stoltz (Liverpool), 2024
  145 -  Punch Lumpkin (Paris), 2031
         Arlas Lamorte (Liverpool), 2029
         Arlas Cammon (Central), 2022
         Emil Kreis (Liverpool), 2026

Most Runs Allowed in a season
  187 -  Arlas Cammon (Central), 2024
  186 -  Deshaun Coron (Melbourne), 2030
  179 -  Ensign Trippi (Extremedura), 2020
  172 -  Kyran Bitters (Paris), 2031
  171 -  Deshaun Coron (Melbourne), 2029
  170 -  Ensign Trippi (Extremedura), 2021
  169 -  Sammy Iron (Harbor), 2022
  166 -  Emil Kreis (Liverpool), 2026
  163 -  Adeyemi Tee (Roman), 2021
         Key Boissy (Liverpool), 2020
  160 -  Arlas Lamorte (Liverpool), 2029
  159 -  Adeyemi Tee (Roman), 2020
  158 -  Juice Delcamp (Shanghai), 2031
         Raynier Soze (London), 2027
         Merwin Hendershott (Extremedura), 2021

Most Stolen Bases Allowed Off Pitcher in a season
   78 -  Ike Cameo (Central), 2023
   76 -  Anthonygeo Schaber (Paris), 2031
   71 -  Norman Silvestri (Alaska), 2029
   70 -  Mans Maynella (Detroit), 2031
   69 -  Raynier Soze (London), 2028
   68 -  Baily Salais (Liverpool), 2024
   67 -  Norman Silvestri (Alaska), 2027
         Al Edimo (St. Kizer), 2025
   66 -  Mans Maynella (Detroit), 2029
         Damone Chronis (Detroit), 2029
   64 -  Walt Swandell (Calgary), 2029
         Pete Bronson (Melbourne), 2025
         Saphirn Sierra (Honolulu), 2023
         Cub Genis (St. Kizer), 2024
         Sammy Iron (Harbor), 2028

Most Baserunners Thrown Out Stealing For Pitcher in a season
   41 -  Jing Zhao (Extremedura), 2027
         James Woode (Harbor), 2021
   40 -  James Woode (Harbor), 2025
   38 -  James Woode (Harbor), 2031
         Jing Zhao (Mexico City), 2030
   37 -  Tim Berliner (Helsinki), 2031
         Bole Clackwell (Alaska), 2031
         Anthonygeo Schaber (Paris), 2031
         Pete Bronson (Melbourne), 2024
         Jing Zhao (Morocco), 2026
         Ed Wieden (Heidelberg), 2028
   36 -  Pete Bronson (Melbourne), 2025
         Burley Hass (Honolulu), 2022
         Deek Mantino (St. Kizer), 2022
         Deek Mantino (St. Kizer), 2024

Most Wild Pitches in a season
    1 -  Cub Genis (St. Kizer), 2020

Most Appearances in a season
   86 -  Carlos Allgaier (Shanghai), 2025
   81 -  Walter Cronkite (Detroit), 2022
         Rolf Leeder (San Juan), 2028
         Linuss Marottoe (Siberia), 2030
   80 -  Linuss Marottoe (Siberia), 2031
         Maynard Karpel (Shanghai), 2025
         Reality Eastham (Helsinki), 2021
         Jim Tavarez (Alaska), 2020
         Abbott Bubb (Helsinki), 2026
         Kelvon Calzada (San Juan), 2028
         Darwyn Munster (Stockholm), 2030
   79 -  Lon Hascall (Helsinki), 2026
   78 -  Dan Carmickle (Mexico City), 2031
         Amby Giacobbe (Harbor), 2029
         Linuss Marottoe (Siberia), 2028

Most Games Started in a season
   41 -  Ted McCaulley (Detroit), 2027
         Joel Andersson (Detroit), 2027
         Raynier Soze (London), 2027
         Perrin Tofanelli (Calgary), 2027
         Garven Rokosz (London), 2027
         Cortlan Livers (Calgary), 2025
         Hobert Procter (Calgary), 2025
         Gordon Winsett (Calgary), 2021
         Tim May (Westmoreland), 2030
         Mike Harnacle (Extremedura), 2030
         Rutger Kanipe (St. Kizer), 2030
         Lena Mackert (Morocco), 2030
         Landry Auila (Morocco), 2030
         Joel Andersson (Extremedura), 2030
         Al Edimo (St. Kizer), 2030

Most Games Finished in a season
   63 -  Kody Berlanga (St. Kizer), 2020
   59 -  Kody Berlanga (St. Kizer), 2024
   58 -  Barney Kroger (Stockholm), 2023
   57 -  Girald Hierholzer (Paris), 2031
         Kody Berlanga (St. Kizer), 2023
   55 -  Fred Twobo (Extremedura), 2029
   54 -  Burnell Migliorisi (San Juan), 2022
         Burnell Migliorisi (San Juan), 2026
   52 -  Mike Gerwitz (Helsinki), 2030
   51 -  Kody Berlanga (St. Kizer), 2022
         Burnell Migliorisi (San Juan), 2024
   50 -  Linus Marotto (Stockholm), 2031
         Jim Gehringer (Extremedura), 2020
   49 -  Kelvon Calzada (Shanghai), 2026
   48 -  Addie Asselta (Liverpool), 2029

Most Complete Games in a season
   11 -  Cub Genis (St. Kizer), 2024
   10 -  Yudai Boen (Siberia), 2020
         Esau Stoltz (Liverpool), 2024
    8 -  Brogan Drovin (Snake River), 2020
    7 -  Anthonygeo Schaber (Paris), 2031
         Kyran Bitters (Paris), 2031
         Esau Stoltz (Liverpool), 2029
         Laterron Yerkes (Shanghai), 2021
         Jim Monteagudo (St. Kizer), 2020
         Jim Monteagudo (St. Kizer), 2024
         Sanketh Carbonaro (San Juan), 2024
    6 -  Punch Lumpkin (Paris), 2031
         Ibis Champoux (Heidelberg), 2021
         Daniyal Atwater (Mexico City), 2020
         Jessie Gismondi (Heidelberg), 2024

Most Shutouts in a season
    2 -  Darwyn Schlappi (Stockholm), 2020
         Clarence Doles (Mexico City), 2026
    1 -  Geoff LaMonica (Morocco), 2031
         Clarence Doles (Morocco), 2031
         Curtrell Mitchan (Siberia), 2031
         Punch Lumpkin (Paris), 2031
         Nam Putney (Helsinki), 2031
         Brendon Mruk (Edinburgh), 2024
         Trijeet Judge (London), 2024
         Wayland Vandenburgh (San Juan), 2024
         Mikale Harn (Snake River), 2026
         Vida Ferro (St. Kizer), 2026
         Otho Toomer (Paris), 2026
         Tim May (Westmoreland), 2028
         Rutger Kanipe (St. Kizer), 2028

Most Quality Starts in a season
   33 -  Clarence Doles (Mexico City), 2026
   30 -  Joel Andersson (Detroit), 2025
         Reality Eastham (Helsinki), 2026
         Chris Bowl (Heidelberg), 2028
         Lena Mackert (Morocco), 2030
   29 -  Marcky Kohner (Hammerfest), 2025
         Brogan Drovin (Snake River), 2023
         Dakota Shimada (Edinburgh), 2021
         Bill Perry (Alaska), 2024
         Clarence Doles (Mexico City), 2024
         Clarence Doles (Morocco), 2030
   28 -  Jarrod McCann (Pittsburgh), 2031
         Rutger Kanipe (Detroit), 2023
         Bill Perry (Alaska), 2020
         Cortlan Livers (Calgary), 2022

Most Hit Batsmen in a season
   15 -  Wayland Vandenburgh (Westmoreland), 2021
         Mikale Harn (Snake River), 2024
         Chandler Horvitz (Shanghai), 2030
   13 -  Carl Burks (Delaware), 2028
         George Brockton (Siberia), 2028
   12 -  Chris Bowl (Heidelberg), 2025
         Jessie Gismondi (Heidelberg), 2021
         Adeyemi Peet (Helsinki), 2020
         Salomon Cerrillo (Hammerfest), 2026
         Korbin Ackroyd (Melbourne), 2026
   11 -  Punch Lumpkin (Paris), 2031
         Nigiel Newson (Alaska), 2029
         Dray Kinniburgh (St. Kizer), 2025
         Keqon Defelice (Pittsburgh), 2020
         Sal Ledingham (Pocatello), 2022

Most Intentional Walks Given Up in a season
   16 -  Saphirn Sierra (Honolulu), 2031
         Cary Crumbley (Honolulu), 2023
   15 -  Craig King (Westmoreland), 2029
         Bill Locke (Honolulu), 2021
         Jamey Branche (Helsinki), 2021
   14 -  Ubaldo Schlicht (Pittsburgh), 2022
         Mo Buganski (Extremedura), 2024
         Bart Renner (Honolulu), 2024
         Mo Buganski (Liverpool), 2030
         Ed Wieden (Heidelberg), 2030
   13 -  Cub Genis (St. Kizer), 2025
         Melindsay Androgynous (St. Kizer), 2023
         Karl Rhine (Harbor), 2021
         Kody Berlanga (St. Kizer), 2024
         Levin Doth (Delaware), 2024

Most Sacrifice Hits Allowed in a season
    3 -  Mike Capustano (Mexico City), 2025
         Cornel Dannels (Westmoreland), 2025
    2 -  Daniyal Atwater (Mexico City), 2025
         Jermaine Ong (Detroit), 2023
         Frank Murray (Shanghai), 2023
         Brogan Drovin (Snake River), 2020
         Laterron Yerkes (Shanghai), 2020
         Joe Harten (Paris), 2020
         Greg Brock (Stockholm), 2022
         Anderson Bylsma (Pittsburgh), 2024
         Levin Doth (Delaware), 2026
         Mitchell Burket (Melbourne), 2026
    1 -  Alyssa Neff (Harbor), 2031
         Viraj Fehrenbach (Hammerfest), 2031
         Raynier Soze (London), 2031

Most Sacrifice Flys Allowed in a season
   22 -  Cub Genis (St. Kizer), 2024
   20 -  Key Boissy (Liverpool), 2020
         Burley Hass (Honolulu), 2022
   19 -  Jessie Gismondi (Heidelberg), 2023
         Sanketh Carbonaro (San Juan), 2024
         Vic Madrano (Liverpool), 2028
   18 -  Ibis Champoux (Heidelberg), 2021
         Burley Hass (Honolulu), 2021
         Burley Hass (Honolulu), 2020
         Trijeet Judge (London), 2022
         Vaughn Mazza (Paris), 2022
         Kip Vendetti (Hammerfest), 2030
   17 -  Long Colar (San Juan), 2024
         Aleck Broskie (Hammerfest), 2026
         Carlos Allgaier (Shanghai), 2030

Most Saves in a season
   35 -  Fred Twobo (Extremedura), 2029
   32 -  Irv Beere (Delaware), 2022
         Clipper Bevel (London), 2024
   31 -  Kody Berlanga (St. Kizer), 2022
   29 -  Bobby Thigpen (Siberia), 2031
         Moose Bettis (Alaska), 2024
   28 -  Kody Berlanga (St. Kizer), 2027
         Scott Niland (Alaska), 2021
   27 -  Gussie Ryzinski (Mexico City), 2031
         Bobby Thigpen (Siberia), 2029
         Kody Berlanga (St. Kizer), 2023
         Bill Thomas (Detroit), 2020
         Scott Niland (Alaska), 2022
         Davidlee Encinas (Detroit), 2022
         Rob Ripper (Mexico City), 2028

Most Holds in a season
   26 -  Ed Wieden (Heidelberg), 2029
   24 -  Lindsay Keesler (Melbourne), 2020
         Cyclone Bascombe (Snake River), 2024
   23 -  Davidlee Encinas (Extremedura), 2029
         Laddy Jerkes (Hammerfest), 2025
         Davidlee Encinas (Detroit), 2020
         Lance Collum (Alaska), 2020
         Bill Brum (Pocatello), 2028
   22 -  Mark Gerber (Siberia), 2031
         Rey Kinniburgh (Pittsburgh), 2027
         Lance Collum (Alaska), 2021
         Darron Records (San Juan), 2026
         Rey Kinniburgh (Pittsburgh), 2026
         Long Colar (San Juan), 2030
         Craig King (Westmoreland), 2030

Most Save Opportunities in a season
   46 -  Scott Niland (Alaska), 2022
   45 -  Laddy Jerkes (Hammerfest), 2025
   43 -  Bill Thomas (Detroit), 2020
         Rob Ripper (Mexico City), 2028
   42 -  Jamey Branche (Helsinki), 2025
   41 -  Fred Twobo (Extremedura), 2029
         Ed Wieden (Heidelberg), 2029
         Fred Gastfield (Morocco), 2021
   40 -  Kody Berlanga (St. Kizer), 2022
   39 -  Bobby Thigpen (Siberia), 2031
         Jermaine Ong (Detroit), 2023
         Kody Berlanga (St. Kizer), 2023
         Dalwin Ransbottom (Hammerfest), 2021
         Davidlee Encinas (Detroit), 2022
         Clipper Bevel (London), 2024

Most Blown Saves in a season
   14 -  Mo Buganski (Extremedura), 2024
   13 -  Girald Hierholzer (Paris), 2031
         Rey Kinniburgh (Pittsburgh), 2029
   12 -  Arlas Lamorte (Liverpool), 2031
         Preciliano Fassero (Melbourne), 2031
         Bob Tinsley (Central), 2025
   11 -  Ruppert Xiao (Melbourne), 2029
         Rodshaun Auck (Roman), 2029
         Bo Biber (San Juan), 2025
         Braxton Bengochia (Central), 2024
         Craig King (Westmoreland), 2026
         Moose Bettis (Alaska), 2026
   10 -  Bradford Osterfeld (Detroit), 2031
         Craig King (Westmoreland), 2031
         Bohly Chapp (Pittsburgh), 2031

Most Inherited Runners in a season
   60 -  Kody Berlanga (St. Kizer), 2020
   55 -  Kody Berlanga (St. Kizer), 2024
   48 -  Saul Datan (Central), 2031
   47 -  Kody Berlanga (St. Kizer), 2025
   45 -  Cristofir Schnyer (Morocco), 2027
   44 -  Gee Rax (Roman), 2020
         Burnell Migliorisi (San Juan), 2024
         Seamus Pafford (Shanghai), 2030
         Bradford Osterfeld (Detroit), 2030
   43 -  Stanton Canales (Snake River), 2024
         Rocky Kattan (Alaska), 2026
   42 -  Arlas Lamorte (Liverpool), 2031
         Waylon Sohre (Harbor), 2027
         Brason Shin (San Juan), 2028
   41 -  Irv Beere (Delaware), 2029

Most Inherited Runners Scored in a season
   23 -  Kody Berlanga (St. Kizer), 2020
         Bradford Osterfeld (Detroit), 2030
   21 -  Girald Hierholzer (Paris), 2031
         Saul Datan (Central), 2031
         Aleck Gomes (San Juan), 2027
   20 -  Arlas Lamorte (Liverpool), 2031
         Kody Berlanga (St. Kizer), 2023
         Myreon Byford (Central), 2021
   19 -  Irv Beere (Delaware), 2029
         Sashary Grego (Pocatello), 2024
   18 -  Burnell Migliorisi (San Juan), 2025
         Sashary Grego (Pocatello), 2023
         Anthony Bashara (Delaware), 2026
         Vancho Senturini (Shanghai), 2028
   17 -  Merl Gendreau (Helsinki), 2031

Highest Qualified Batting Average in a season
 0.383 - 238 hits/621 at-bats - Vaughn Heckathorn (London), 2029
 0.375 - 244 hits/651 at-bats - Borja Meres (Melbourne), 2031
 0.372 - 248 hits/666 at-bats - Addie Seidita (Detroit), 2024
 0.371 - 238 hits/641 at-bats - Addie Seidita (Extremedura), 2028
       - 238 hits/641 at-bats - Ricky Gomez (Morocco), 2020
 0.371 - 241 hits/650 at-bats - Bill Dennis (Edinburgh), 2022
 0.371 - 249 hits/672 at-bats - Bill Dennis (Pittsburgh), 2020
 0.369 - 233 hits/631 at-bats - Dick Marion (Morocco), 2022
 0.366 - 229 hits/625 at-bats - Jamison Ballengee (Paris), 2026
 0.363 - 230 hits/633 at-bats - Mike Herrt (Siberia), 2029
 0.363 - 228 hits/628 at-bats - Mike Herrt (Siberia), 2031
 0.358 - 238 hits/664 at-bats - Bill Dennis (Pittsburgh), 2021
 0.358 - 235 hits/656 at-bats - Elder Friscia (Detroit), 2030
 0.358 - 255 hits/713 at-bats - Addie Seidita (Detroit), 2026
 0.354 - 238 hits/673 at-bats - Addie Seidita (Extremedura), 2031

Highest Qualified On-Base Percentage in a season
 0.456 - 343 times reached base/753 plate appearances - Borja Meres (Melbourne), 2031
 0.455 - 341 times reached base/749 plate appearances - Dick Marion (Morocco), 2022
 0.455 - 340 times reached base/747 plate appearances - Mike Herrt (Siberia), 2029
 0.452 - 325 times reached base/719 plate appearances - Vaughn Heckathorn (London), 2029
 0.445 - 322 times reached base/724 plate appearances - Jamison Ballengee (Paris), 2026
 0.443 - 333 times reached base/751 plate appearances - Ricky Gomez (Morocco), 2020
 0.440 - 329 times reached base/747 plate appearances - Bill Dennis (Edinburgh), 2022
 0.439 - 266 times reached base/606 plate appearances - Reel McCoy (Shanghai), 2021
 0.438 - 322 times reached base/736 plate appearances - Addie Seidita (Extremedura), 2028
 0.437 - 318 times reached base/727 plate appearances - Mike Herrt (Siberia), 2031
 0.437 - 344 times reached base/788 plate appearances - Bradford Bertolli (London), 2027
 0.435 - 335 times reached base/771 plate appearances - Bill Dennis (Pittsburgh), 2020
 0.432 - 327 times reached base/757 plate appearances - Elder Friscia (Detroit), 2030
 0.427 - 312 times reached base/730 plate appearances - Jamison Ballengee (Morocco), 2022
 0.427 - 317 times reached base/742 plate appearances - Jamison Ballengee (Paris), 2025

Highest Qualified Slugging Percentage in a season
 0.728 - 452 total bases/621 at-bats - Vaughn Heckathorn (London), 2029
 0.705 - 459 total bases/651 at-bats - Borja Meres (Melbourne), 2031
 0.680 - 436 total bases/641 at-bats - Addie Seidita (Extremedura), 2028
 0.658 - 417 total bases/634 at-bats - Vaughn Heckathorn (London), 2031
 0.658 - 415 total bases/631 at-bats - Dick Marion (Morocco), 2022
 0.655 - 440 total bases/672 at-bats - Bill Dennis (Pittsburgh), 2020
 0.653 - 440 total bases/674 at-bats - Bradford Bertolli (London), 2027
 0.650 - 408 total bases/628 at-bats - Mike Herrt (Siberia), 2031
 0.644 - 429 total bases/666 at-bats - Addie Seidita (Detroit), 2024
 0.644 - 417 total bases/648 at-bats - Borja Meres (Melbourne), 2029
 0.643 - 427 total bases/664 at-bats - Bill Dennis (Pittsburgh), 2021
 0.641 - 406 total bases/633 at-bats - Mike Herrt (Siberia), 2029
 0.636 - 428 total bases/673 at-bats - Addie Seidita (Extremedura), 2031
 0.630 - 404 total bases/641 at-bats - Ricky Gomez (Morocco), 2020
 0.625 - 412 total bases/659 at-bats - Jamison Ballengee (Pittsburgh), 2021

Highest Qualified Homerun Percentage in a season
 0.087 - 54 homeruns/621 at-bats - Vaughn Heckathorn (London), 2029
 0.083 - 54 homeruns/651 at-bats - Borja Meres (Melbourne), 2031
 0.077 - 47 homeruns/612 at-bats - Scrappy Wuebker (Delaware), 2028
 0.076 - 50 homeruns/655 at-bats - Clancy Sanos (Pittsburgh), 2031
 0.074 - 47 homeruns/634 at-bats - Vaughn Heckathorn (London), 2031
 0.074 - 42 homeruns/568 at-bats - Burleigh Welcome (Mexico City), 2028
 0.072 - 41 homeruns/571 at-bats - Paul Padova (Harbor), 2031
 0.072 - 47 homeruns/657 at-bats - Jarrod Yastrzemski (Pittsburgh), 2031
 0.071 - 46 homeruns/648 at-bats - Borja Meres (Melbourne), 2029
 0.071 - 46 homeruns/651 at-bats - Torrion Ransone (Melbourne), 2020
 0.070 - 44 homeruns/626 at-bats - Burleigh Welcome (Mexico City), 2031
 0.070 - 45 homeruns/641 at-bats - Addie Seidita (Extremedura), 2028
 0.070 - 44 homeruns/627 at-bats - Simon Wuebker (Siberia), 2030
 0.070 - 44 homeruns/628 at-bats - Mike Herrt (Siberia), 2031
 0.070 - 45 homeruns/644 at-bats - Borja Meres (Melbourne), 2030

Highest Qualified Strikeout Percentage in a season
 0.230 - 140 strikeouts/610 at-bats - Breckan Ruozzo (Harbor), 2020
 0.221 - 126 strikeouts/569 at-bats - Dewayne Larsen (Siberia), 2023
 0.219 - 130 strikeouts/594 at-bats - Dak Hutch (Siberia), 2021
 0.218 - 136 strikeouts/623 at-bats - Freddy Pfingsten (Liverpool), 2020
 0.218 - 129 strikeouts/592 at-bats - Minh Kreitz (Extremedura), 2020
 0.216 - 124 strikeouts/573 at-bats - Kelley Chmela (Liverpool), 2022
 0.216 - 126 strikeouts/584 at-bats - Cyrus Grantham (Pittsburgh), 2024
 0.216 - 114 strikeouts/529 at-bats - Holmes Massar (Westmoreland), 2025
 0.215 - 147 strikeouts/685 at-bats - Keymon Leep (Pittsburgh), 2022
 0.214 - 134 strikeouts/627 at-bats - Dewayne Larsen (Siberia), 2025
 0.212 - 124 strikeouts/584 at-bats - Kelson Tagliavia (Extremedura), 2025
 0.212 - 126 strikeouts/594 at-bats - Byrd Gooslin (Central), 2026
       - 126 strikeouts/594 at-bats - Hollis Zahn (Pocatello), 2021
 0.212 - 120 strikeouts/566 at-bats - Elliott Lehnert (Honolulu), 2025
 0.211 - 140 strikeouts/662 at-bats - Frank Duckworth (Honolulu), 2021

Highest Qualified Stolen Base Percentage in a season
 0.960 - 24 stolen bases/25 attempts - Floyd Boettger (Snake River), 2021
 0.917 - 22 stolen bases/24 attempts - Floyd Boettger (Snake River), 2024
 0.913 - 21 stolen bases/23 attempts - Bradly Sybert (Shanghai), 2026
       - 21 stolen bases/23 attempts - Miquel Guster (Edinburgh), 2025
 0.906 - 29 stolen bases/32 attempts - Brock Luria (Calgary), 2020
 0.902 - 37 stolen bases/41 attempts - Keith Socal (St. Kizer), 2028
 0.895 - 34 stolen bases/38 attempts - Everett Goossen (Morocco), 2030
       - 34 stolen bases/38 attempts - Brownie Schofield (San Juan), 2020
       - 34 stolen bases/38 attempts - Elbie Talaska (Paris), 2023
 0.893 - 25 stolen bases/28 attempts - Everett Goossen (Morocco), 2029
 0.892 - 33 stolen bases/37 attempts - Leonnel Brick (St. Kizer), 2023
 0.889 - 24 stolen bases/27 attempts - Miquel Guster (Edinburgh), 2031
 0.885 - 23 stolen bases/26 attempts - Jerrie Tasby (Paris), 2031
 0.880 - 44 stolen bases/50 attempts - Mike Herrt (Siberia), 2031
       - 22 stolen bases/25 attempts - Darkell Dancy (Hammerfest), 2021

Highest Qualified Winning Percentage Allowed in a season
 0.917 - 22 wins/24 decisions - Jarrod McCann (Pittsburgh), 2031
       - 11 wins/12 decisions - Otho Toomer (Paris), 2024
 0.913 - 21 wins/23 decisions - Otho Toomer (Paris), 2023
 0.909 - 20 wins/22 decisions - Eliot Mautz (Edinburgh), 2022
       - 10 wins/11 decisions - Blakely Lyden (Extremedura), 2023
 0.893 - 25 wins/28 decisions - Rutger Kanipe (St. Kizer), 2029
 0.889 - 16 wins/18 decisions - Cornel Dobrescu (Detroit), 2022
       - 24 wins/27 decisions - Bill Perry (Alaska), 2020
 0.885 - 23 wins/26 decisions - Rutger Kanipe (Detroit), 2023
 0.882 - 30 wins/34 decisions - Clarence Doles (Mexico City), 2026
 0.880 - 22 wins/25 decisions - Montana Shimada (Morocco), 2022
 0.875 - 21 wins/24 decisions - Jarrod McCann (Pittsburgh), 2026
       - 21 wins/24 decisions - Joe McSween (St. Kizer), 2029
 0.870 - 20 wins/23 decisions - Jamal Hime (Shanghai), 2023
       - 20 wins/23 decisions - Mikey Canterbury (Shanghai), 2025

Highest Qualified Earned Run Average Allowed in a season
   9.22 - 178 earned runs/173.67 innings - Arlas Cammon (Central), 2024
   8.50 - 158 earned runs/167.33 innings - Emil Kreis (Liverpool), 2026
   8.40 - 169 earned runs/181.00 innings - Ensign Trippi (Extremedura), 2020
   8.28 - 149 earned runs/162.00 innings - Arlas Lamorte (Liverpool), 2029
   8.20 - 157 earned runs/172.33 innings - Key Boissy (Liverpool), 2020
   8.14 - 157 earned runs/173.67 innings - Adeyemi Tee (Roman), 2020
   8.02 - 148 earned runs/166.00 innings - Ensign Trippi (Extremedura), 2022
   8.02 - 178 earned runs/199.67 innings - Deshaun Coron (Melbourne), 2030
   7.74 - 154 earned runs/179.00 innings - Adeyemi Tee (Roman), 2021
   7.61 - 148 earned runs/175.00 innings - Juice Delcamp (Shanghai), 2031
   7.51 - 144 earned runs/172.67 innings - Braydon Curfman (Shanghai), 2030
   7.42 - 138 earned runs/167.33 innings - Kendail Fawbush (Paris), 2031
   7.38 - 135 earned runs/164.67 innings - Sean Mill (Delaware), 2030
   7.15 - 133 earned runs/167.33 innings - Sean Mill (Delaware), 2031
   7.12 - 134 earned runs/169.33 innings - Wiley Recor (Central), 2031

Most Innings Pitched in a season
 290.33 -  Cortlan Livers (Calgary), 2022
 281.33 -  Clarence Doles (Mexico City), 2026
 275.33 -  Clarence Doles (Morocco), 2030
 272.67 -  Brogan Drovin (Snake River), 2020
 272.00 -  Cornel Dannels (Westmoreland), 2030
        -  Cortlan Livers (Calgary), 2025
 269.00 -  Garven Rokosz (London), 2027
 268.67 -  Lena Mackert (Morocco), 2030
 267.00 -  Brogan Drovin (Snake River), 2023
 266.67 -  Ted McCaulley (Detroit), 2027
 263.00 -  Chris Leisenring (Snake River), 2026
 262.33 -  Ted McCaulley (Detroit), 2020
 260.33 -  Joel Andersson (Extremedura), 2030
 259.33 -  Cortlan Livers (Calgary), 2024
 258.67 -  Mikey Canterbury (Extremedura), 2029

Highest Qualified Batting Average Allowed in a season
 0.359 - 269 hits/750 at-bats - Adeyemi Tee (Roman), 2021
 0.352 - 241 hits/684 at-bats - Arlas Lamorte (Liverpool), 2029
 0.350 - 259 hits/739 at-bats - Juice Delcamp (Shanghai), 2031
 0.349 - 257 hits/736 at-bats - Key Boissy (Liverpool), 2020
 0.347 - 295 hits/851 at-bats - Mans Maynella (Detroit), 2030
 0.346 - 264 hits/763 at-bats - Ensign Trippi (Extremedura), 2020
 0.345 - 255 hits/740 at-bats - Adeyemi Tee (Roman), 2031
 0.344 - 255 hits/742 at-bats - Arlas Cammon (Central), 2024
 0.342 - 294 hits/859 at-bats - Deshaun Coron (Melbourne), 2030
 0.342 - 263 hits/769 at-bats - Zack Meads (Shanghai), 2027
 0.337 - 236 hits/700 at-bats - Sean Mill (Delaware), 2030
 0.334 - 252 hits/754 at-bats - Key Boissy (Liverpool), 2029
 0.333 - 234 hits/703 at-bats - Adeyemi Tee (Roman), 2020
 0.332 - 256 hits/770 at-bats - Vic Madrano (Liverpool), 2029
 0.332 - 254 hits/764 at-bats - Derrick Allison (Calgary), 2030

Highest Qualified Hits Per 9 Innings Average Allowed in a season
  13.53 - 269 hits/179.00 innings Adeyemi Tee (Roman), 2021
  13.42 - 257 hits/172.33 innings Key Boissy (Liverpool), 2020
  13.39 - 241 hits/162.00 innings Arlas Lamorte (Liverpool), 2029
  13.32 - 259 hits/175.00 innings Juice Delcamp (Shanghai), 2031
  13.25 - 294 hits/199.67 innings Deshaun Coron (Melbourne), 2030
  13.21 - 255 hits/173.67 innings Arlas Cammon (Central), 2024
  13.13 - 264 hits/181.00 innings Ensign Trippi (Extremedura), 2020
  12.98 - 263 hits/182.33 innings Zack Meads (Shanghai), 2027
  12.95 - 295 hits/205.00 innings Mans Maynella (Detroit), 2030
  12.94 - 255 hits/177.33 innings Adeyemi Tee (Roman), 2031
  12.90 - 236 hits/164.67 innings Sean Mill (Delaware), 2030
  12.69 - 252 hits/178.67 innings Key Boissy (Liverpool), 2029
  12.58 - 254 hits/181.67 innings Derrick Allison (Calgary), 2030
  12.53 - 238 hits/171.00 innings Gavin Lu (Honolulu), 2020
  12.45 - 256 hits/185.00 innings Vic Madrano (Liverpool), 2029

Highest Qualified Strikeout Per 9 Innings Average Allowed in a season
   8.74 - 212 strike outs/218.33 innings - Jarrod McCann (Pittsburgh), 2029
   8.60 - 222 strike outs/232.33 innings - Dakota Shimada (Edinburgh), 2021
   8.53 - 214 strike outs/225.67 innings - Preacher Moniz (Morocco), 2022
   8.49 - 211 strike outs/223.67 innings - Tim May (Westmoreland), 2027
   8.49 - 188 strike outs/199.33 innings - Anthony Pelt (Delaware), 2022
   8.38 - 213 strike outs/228.67 innings - Tim May (Westmoreland), 2028
   8.34 - 199 strike outs/214.67 innings - Jarrod McCann (Pittsburgh), 2024
   8.27 - 175 strike outs/190.33 innings - Endurance Pacific (Morocco), 2022
   8.26 - 213 strike outs/232.00 innings - Jules Tatum (Westmoreland), 2030
   8.22 - 197 strike outs/215.67 innings - Jarrod McCann (Pittsburgh), 2027
   8.18 - 183 strike outs/201.33 innings - Colt Capetillo (Harbor), 2029
   8.12 - 185 strike outs/205.00 innings - Jarrod McCann (Pittsburgh), 2028
   8.10 - 178 strike outs/197.67 innings - Jarrod McCann (Pittsburgh), 2025
   8.10 - 195 strike outs/216.67 innings - Preacher Moniz (Paris), 2025
   8.03 - 197 strike outs/220.67 innings - Bob Warren (Morocco), 2021

Highest Qualified Walk Per 9 Innings Average Allowed in a season
   9.48 - 171 walks/162.33 innings - Ike Cameo (Central), 2023
   7.56 - 180 walks/214.33 innings - Jeremy Scothorn (Detroit), 2029
   7.16 - 131 walks/164.67 innings - Merl Gendreau (Helsinki), 2030
   7.02 - 141 walks/180.67 innings - Ike Cameo (Central), 2024
   6.95 - 153 walks/198.00 innings - Sal Ledingham (Pocatello), 2022
   6.91 - 153 walks/199.33 innings - Ethan Kimmey (Stockholm), 2031
   6.68 - 140 walks/188.67 innings - Sanketh Carbonaro (San Juan), 2023
   6.66 - 128 walks/173.00 innings - Hal Finer (Calgary), 2030
   6.65 - 120 walks/162.33 innings - Sal Ledingham (Pocatello), 2021
   6.63 - 128 walks/173.67 innings - Arlas Cammon (Central), 2024
   6.62 - 123 walks/167.33 innings - Emil Kreis (Liverpool), 2026
   6.50 - 135 walks/187.00 innings - Lane Barrientez (Shanghai), 2031
   6.48 - 124 walks/172.33 innings - Ethan Kimmey (Stockholm), 2030
   6.46 - 134 walks/186.67 innings - Bugs Sidman (Stockholm), 2021
   6.44 - 124 walks/173.33 innings - Murdock Buganski (Shanghai), 2028

Highest Qualified Strikeout to Walk Ratio in a season
   7.50 - 150 strikeouts/20 walks - Reality Eastham (Helsinki), 2028
   6.97 - 202 strikeouts/29 walks - Bill Perry (Alaska), 2024
   6.75 - 189 strikeouts/28 walks - Gordon Winsett (Calgary), 2020
   6.70 - 154 strikeouts/23 walks - Reality Eastham (Helsinki), 2024
   6.64 - 166 strikeouts/25 walks - Reality Eastham (Helsinki), 2026
        - 166 strikeouts/25 walks - Clarence Doles (Morocco), 2031
   6.58 - 158 strikeouts/24 walks - Reality Eastham (Helsinki), 2027
   6.28 - 182 strikeouts/29 walks - Endurance Pacific (Morocco), 2021
   6.24 - 156 strikeouts/25 walks - Bill Perry (Alaska), 2021
        - 156 strikeouts/25 walks - Davonne Velasquez (Helsinki), 2025
   6.23 - 162 strikeouts/26 walks - Rosy Vincik (Helsinki), 2028
   5.86 - 217 strikeouts/37 walks - Clarence Doles (Mexico City), 2026
   5.81 - 186 strikeouts/32 walks - Joel Andersson (Detroit), 2022
   5.76 - 167 strikeouts/29 walks - Davonne Velasquez (Helsinki), 2022
   5.76 - 213 strikeouts/37 walks - Brogan Drovin (Snake River), 2022

Highest Qualified On-Base Percentage Allowed in a season
 0.440 - 391 times reached base/888 plate appearances - Arlas Cammon (Central), 2024
 0.437 - 351 times reached base/803 plate appearances - Arlas Lamorte (Liverpool), 2029
 0.436 - 347 times reached base/795 plate appearances - Ike Cameo (Central), 2023
 0.428 - 354 times reached base/827 plate appearances - Sean Mill (Delaware), 2030
 0.420 - 350 times reached base/834 plate appearances - Emil Kreis (Liverpool), 2026
 0.419 - 336 times reached base/801 plate appearances - Murdock Buganski (Shanghai), 2028
 0.415 - 362 times reached base/872 plate appearances - Ensign Trippi (Extremedura), 2020
 0.415 - 333 times reached base/803 plate appearances - Sean Mill (Delaware), 2031
 0.412 - 346 times reached base/839 plate appearances - Adeyemi Tee (Roman), 2021
 0.412 - 350 times reached base/850 plate appearances - Ike Cameo (Central), 2024
 0.410 - 343 times reached base/836 plate appearances - Braydon Curfman (Shanghai), 2030
 0.410 - 372 times reached base/908 plate appearances - Sanketh Carbonaro (San Juan), 2023
 0.410 - 326 times reached base/796 plate appearances - Kendail Fawbush (Paris), 2031
 0.409 - 328 times reached base/801 plate appearances - Adeyemi Tee (Roman), 2020
 0.408 - 362 times reached base/888 plate appearances - Darniel Sanches (Shanghai), 2029

Highest Qualified Slugging Percentage Allowed in a season
 0.680 - 503 total bases/740 at-bats - Adeyemi Tee (Roman), 2031
 0.667 - 573 total bases/859 at-bats - Deshaun Coron (Melbourne), 2030
 0.664 - 467 total bases/703 at-bats - Adeyemi Tee (Roman), 2020
 0.647 - 485 total bases/750 at-bats - Adeyemi Tee (Roman), 2021
 0.624 - 463 total bases/742 at-bats - Arlas Cammon (Central), 2024
 0.624 - 476 total bases/763 at-bats - Ensign Trippi (Extremedura), 2020
 0.624 - 461 total bases/739 at-bats - Juice Delcamp (Shanghai), 2031
 0.621 - 506 total bases/815 at-bats - Merwin Hendershott (Extremedura), 2021
 0.605 - 414 total bases/684 at-bats - Arlas Lamorte (Liverpool), 2029
 0.599 - 417 total bases/696 at-bats - Kendail Fawbush (Paris), 2031
 0.593 - 446 total bases/752 at-bats - Ike Cameo (Central), 2030
 0.590 - 447 total bases/757 at-bats - Arlas Cammon (Central), 2025
 0.584 - 430 total bases/736 at-bats - Key Boissy (Liverpool), 2020
 0.584 - 481 total bases/824 at-bats - Gavin Lu (Honolulu), 2023
 0.583 - 487 total bases/836 at-bats - Damone Chronis (Extremedura), 2022

Highest Qualified Stolen Base Percentage Allowed in a season
 0.958 - 23 stolen bases/24 attempts - Al Pfoo (Roman), 2030
       - 23 stolen bases/24 attempts - Jim Monteagudo (St. Kizer), 2020
 0.923 - 24 stolen bases/26 attempts - Jairus Chenette (Heidelberg), 2020
 0.913 - 21 stolen bases/23 attempts - Hardy Crittle (Melbourne), 2030
       - 21 stolen bases/23 attempts - Sammy Baumgarten (Melbourne), 2020
 0.906 - 29 stolen bases/32 attempts - James Freimuth (Harbor), 2020
 0.905 - 19 stolen bases/21 attempts - Arlas Cammon (Roman), 2031
 0.893 - 25 stolen bases/28 attempts - Donovan Amborn (London), 2027
 0.889 - 24 stolen bases/27 attempts - Linuss Marottoe (Siberia), 2026
 0.875 - 21 stolen bases/24 attempts - Romello Lachowicz (Edinburgh), 2030
       - 21 stolen bases/24 attempts - Truck Ullger (Roman), 2026
       - 21 stolen bases/24 attempts - Dalwin Ransbottom (Hammerfest), 2029
       - 21 stolen bases/24 attempts - Daykota Ellingwood (Detroit), 2031
 0.870 - 20 stolen bases/23 attempts - Guy LeDouche (Heidelberg), 2021
       - 20 stolen bases/23 attempts - Hardin Crespin (Mexico City), 2025

Highest Qualified Save Percentage Allowed in a season
 1.000 - 21 saves/21 save opportunities - Rodshaun Auck (Roman), 2028
       - 10 saves/10 save opportunities - Bart Eaglin (Pittsburgh), 2031
 0.909 - 10 saves/11 save opportunities - Jeshua Dao (Extremedura), 2021
 0.895 - 17 saves/19 save opportunities - Nirav Turcios (Detroit), 2030
 0.889 - 16 saves/18 save opportunities - Irv Beere (Delaware), 2025
 0.870 - 20 saves/23 save opportunities - Cinder Dandinov (Westmoreland), 2023
 0.867 - 26 saves/30 save opportunities - Dirk Udo (Edinburgh), 2031
       - 13 saves/15 save opportunities - Mul Aamodt (London), 2023
 0.865 - 32 saves/37 save opportunities - Irv Beere (Delaware), 2022
 0.857 - 12 saves/14 save opportunities - Michael Myers (Snake River), 2022
 0.854 - 35 saves/41 save opportunities - Fred Twobo (Extremedura), 2029
 0.833 - 25 saves/30 save opportunities - Clipper Bevel (London), 2027
       - 10 saves/12 save opportunities - Nick Prante (Siberia), 2024
       - 25 saves/30 save opportunities - Xzavier Evan (Morocco), 2030
 0.829 - 29 saves/35 save opportunities - Moose Bettis (Alaska), 2024

Highest Qualified Inherited Runners Scored Percentage Allowed in a season
 0.857 - 12 inherited runners scored/14 inherited runners - Dame Hamaker (Hammerfest), 2020
 0.833 - 10 inherited runners scored/12 inherited runners - Slicker Netter (Melbourne), 2025
 0.750 - 9 inherited runners scored/12 inherited runners - Waite Nasby (Paris), 2022
 0.737 - 14 inherited runners scored/19 inherited runners - Kewin Bartolomei (Shanghai), 2029
 0.733 - 11 inherited runners scored/15 inherited runners - Ubaldo Schlicht (Pittsburgh), 2022
 0.727 - 8 inherited runners scored/11 inherited runners - Ray Bellis (Paris), 2024
       - 16 inherited runners scored/22 inherited runners - Bill Pearce (Siberia), 2020
 0.714 - 10 inherited runners scored/14 inherited runners - Mul Aamodt (London), 2023
       - 15 inherited runners scored/21 inherited runners - Akinsheye Lauterbach (Westmoreland), 2026
 0.708 - 17 inherited runners scored/24 inherited runners - Kewin Bartolomei (Shanghai), 2028
 0.706 - 12 inherited runners scored/17 inherited runners - Fidel Panfilov (Liverpool), 2022
       - 12 inherited runners scored/17 inherited runners - Ross Alls (London), 2022
 0.700 - 7 inherited runners scored/10 inherited runners - Ramsay Paolino (Universal Baseball), 2024
       - 7 inherited runners scored/10 inherited runners - Vida Green (Edinburgh), 2025
 0.692 - 9 inherited runners scored/13 inherited runners - Patsy St. James (Stockholm), 2026

Lowest Qualified Batting Average in a season (The Mendoza Award)
 0.208 - 121 hits/582 at-bats - Ellis Bills (Helsinki), 2026
 0.210 - 117 hits/558 at-bats - Jamero Neugent (San Juan), 2028
 0.211 - 141 hits/668 at-bats - Dalen Bryant (Heidelberg), 2022
 0.213 - 121 hits/568 at-bats - Shadow Sargent (Heidelberg), 2021
 0.215 - 127 hits/591 at-bats - Leonnel Brick (St. Kizer), 2020
 0.215 - 118 hits/549 at-bats - Julius Curle (Siberia), 2022
 0.217 - 130 hits/600 at-bats - Byrd Gooslin (Central), 2025
 0.217 - 121 hits/558 at-bats - Caden Hoey (Liverpool), 2030
 0.218 - 129 hits/593 at-bats - Cisco Lauterbach (Pittsburgh), 2030
 0.219 - 114 hits/520 at-bats - Muataz Troff (St. Kizer), 2023
 0.220 - 113 hits/514 at-bats - Russel Sarafin (Central), 2030
 0.221 - 145 hits/657 at-bats - Baron Zastrow (St. Kizer), 2020
 0.222 - 140 hits/631 at-bats - Lovell Paolino (Harbor), 2026
 0.224 - 130 hits/580 at-bats - Kristofer Harrier (Alaska), 2022
 0.224 - 120 hits/535 at-bats - Blondy Croker (Westmoreland), 2023

Lowest Qualified On-Base Percentage in a season
 0.234 - 146 times reached base/623 plate appearances - Leonnel Brick (St. Kizer), 2020
 0.246 - 159 times reached base/646 plate appearances - Byrd Gooslin (Central), 2025
 0.255 - 163 times reached base/639 plate appearances - Curtis Bramble (Liverpool), 2028
 0.260 - 183 times reached base/704 plate appearances - Baron Zastrow (St. Kizer), 2020
 0.265 - 169 times reached base/637 plate appearances - Ellis Bills (Helsinki), 2026
 0.268 - 169 times reached base/630 plate appearances - Niklas Berrie (St. Kizer), 2020
 0.269 - 197 times reached base/731 plate appearances - Dalen Bryant (Heidelberg), 2022
 0.272 - 191 times reached base/702 plate appearances - Frank Duckworth (Honolulu), 2021
 0.273 - 164 times reached base/601 plate appearances - Julius Curle (Siberia), 2022
 0.276 - 158 times reached base/573 plate appearances - Kasyn Cremeens (Calgary), 2029
 0.276 - 179 times reached base/648 plate appearances - Breckan Ruozzo (Harbor), 2020
 0.276 - 171 times reached base/619 plate appearances - Judd Ghea (Pocatello), 2023
 0.277 - 159 times reached base/573 plate appearances - Muataz Troff (St. Kizer), 2020
 0.278 - 178 times reached base/641 plate appearances - Bubber Plaskett (Heidelberg), 2027
 0.278 - 193 times reached base/695 plate appearances - Deol Carsten (Edinburgh), 2030

Lowest Qualified Slugging Percentage in a season
 0.290 - 172 total bases/593 at-bats - Cisco Lauterbach (Pittsburgh), 2030
 0.298 - 172 total bases/578 at-bats - Leonel Seminara (Liverpool), 2028
 0.308 - 160 total bases/520 at-bats - Muataz Troff (St. Kizer), 2023
 0.308 - 165 total bases/535 at-bats - Blondy Croker (Westmoreland), 2023
 0.313 - 176 total bases/563 at-bats - Moses Miller (Alaska), 2029
 0.315 - 186 total bases/591 at-bats - Leonnel Brick (St. Kizer), 2020
 0.315 - 192 total bases/610 at-bats - Cisco Lauterbach (Pittsburgh), 2025
 0.315 - 214 total bases/679 at-bats - Baron Zastrow (St. Kizer), 2024
 0.317 - 180 total bases/568 at-bats - Shadow Sargent (Heidelberg), 2021
 0.317 - 196 total bases/618 at-bats - Linc Jun (San Juan), 2027
 0.318 - 185 total bases/582 at-bats - Ellis Bills (Helsinki), 2026
 0.318 - 209 total bases/657 at-bats - Baron Zastrow (St. Kizer), 2020
 0.329 - 196 total bases/596 at-bats - Bubber Plaskett (Heidelberg), 2027
 0.332 - 174 total bases/524 at-bats - Brock Luria (Calgary), 2027
 0.332 - 196 total bases/590 at-bats - Niklas Berrie (St. Kizer), 2020

Lowest Qualified Homerun Percentage in a season (The Belliard Award)
 0.005 - 3 homeruns/578 at-bats - Leonel Seminara (Liverpool), 2028
 0.007 - 4 homeruns/593 at-bats - Elmo Kate (St. Kizer), 2020
 0.007 - 4 homeruns/558 at-bats - Baron Zastrow (St. Kizer), 2021
 0.008 - 4 homeruns/520 at-bats - Muataz Troff (St. Kizer), 2023
 0.009 - 6 homeruns/676 at-bats - Bryson Zeller (St. Kizer), 2020
 0.009 - 6 homeruns/657 at-bats - Baron Zastrow (St. Kizer), 2020
 0.010 - 6 homeruns/581 at-bats - Leonnel Brick (St. Kizer), 2023
 0.011 - 6 homeruns/563 at-bats - Leonnel Brick (St. Kizer), 2024
 0.011 - 7 homeruns/654 at-bats - Al Garzia (Heidelberg), 2024
 0.011 - 7 homeruns/648 at-bats - Jerrie Tasby (Paris), 2030
 0.011 - 6 homeruns/549 at-bats - Milford Vosberg (Extremedura), 2023
 0.011 - 6 homeruns/536 at-bats - Bo Emfinger (Honolulu), 2028
 0.011 - 7 homeruns/618 at-bats - Linc Jun (San Juan), 2027
 0.011 - 6 homeruns/525 at-bats - Linc Jun (San Juan), 2026
 0.012 - 8 homeruns/689 at-bats - Drew Maheux (Paris), 2031

Lowest Qualified Strikeout Percentage in a season
 0.034 - 23 strikeouts/673 at-bats - Addie Seidita (Extremedura), 2031
 0.042 - 26 strikeouts/618 at-bats - Addie Seidita (Morocco), 2027
 0.045 - 29 strikeouts/651 at-bats - Borja Meres (Melbourne), 2031
 0.051 - 33 strikeouts/645 at-bats - Addie Seidita (Detroit), 2025
 0.051 - 32 strikeouts/625 at-bats - Jamison Ballengee (Paris), 2026
 0.053 - 33 strikeouts/621 at-bats - Dick Marion (Calgary), 2020
 0.053 - 38 strikeouts/713 at-bats - Addie Seidita (Detroit), 2026
 0.055 - 37 strikeouts/675 at-bats - Addie Seidita (Extremedura), 2029
 0.055 - 35 strikeouts/631 at-bats - Dick Marion (Morocco), 2022
 0.056 - 36 strikeouts/641 at-bats - Addie Seidita (Extremedura), 2028
 0.057 - 37 strikeouts/652 at-bats - Addie Seidita (Extremedura), 2030
 0.058 - 30 strikeouts/518 at-bats - Jamison Ballengee (Paris), 2028
 0.059 - 41 strikeouts/700 at-bats - Robin Melnick (St. Kizer), 2029
 0.062 - 39 strikeouts/634 at-bats - Bradford Bertolli (London), 2030
 0.062 - 37 strikeouts/594 at-bats - Addie Seidita (Detroit), 2023

Lowest Qualified Stolen Base Percentage in a season
 0.370 - 10 stolen bases/27 attempts - Uke Stefero (Pocatello), 2028
 0.381 - 8 stolen bases/21 attempts - Hoi Lucier (Stockholm), 2030
       - 8 stolen bases/21 attempts - Cooper Kachelmeyer (Helsinki), 2028
       - 8 stolen bases/21 attempts - Zack Welch (Melbourne), 2026
 0.400 - 8 stolen bases/20 attempts - Chris Verrill (Liverpool), 2026
       - 8 stolen bases/20 attempts - Linc Jun (San Juan), 2025
       - 8 stolen bases/20 attempts - Santiago Waffle (Delaware), 2025
 0.409 - 9 stolen bases/22 attempts - Balik Creach (Extremedura), 2031
 0.414 - 12 stolen bases/29 attempts - Tanner Boyle (London), 2028
 0.417 - 15 stolen bases/36 attempts - Romario Henzel (Hammerfest), 2026
 0.429 - 9 stolen bases/21 attempts - Baron Munchausen (Detroit), 2021
       - 9 stolen bases/21 attempts - Cloud Tyminski (Morocco), 2027
 0.433 - 13 stolen bases/30 attempts - Shaan Patel (Mexico City), 2022
 0.435 - 10 stolen bases/23 attempts - Max Brener (Delaware), 2030
 0.440 - 11 stolen bases/25 attempts - Maba Carr (Paris), 2031

Lowest Qualified Earned Run Average Allowed in a season
   1.67 - 42 earned runs/226.33 innings - Jarrod McCann (Pittsburgh), 2031
   1.69 - 39 earned runs/208.00 innings - Eliot Mautz (Edinburgh), 2024
   1.76 - 47 earned runs/241.00 innings - Bill Perry (Alaska), 2024
   1.76 - 44 earned runs/225.33 innings - Otho Toomer (Paris), 2023
   1.76 - 44 earned runs/224.67 innings - Jamal Hime (Shanghai), 2023
   1.84 - 46 earned runs/225.33 innings - Chris Bowl (Heidelberg), 2028
   1.84 - 50 earned runs/244.33 innings - Rutger Kanipe (St. Kizer), 2030
   1.87 - 48 earned runs/231.33 innings - Dakota Shimada (Edinburgh), 2022
   1.89 - 48 earned runs/228.00 innings - Bill Perry (Alaska), 2023
   1.92 - 45 earned runs/211.00 innings - Rutger Kanipe (Detroit), 2023
   1.95 - 50 earned runs/230.33 innings - Eliot Mautz (Edinburgh), 2021
   1.96 - 48 earned runs/220.67 innings - Bill Perry (Alaska), 2020
   1.98 - 55 earned runs/250.00 innings - Romone Sieben (Extremedura), 2029
   2.00 - 48 earned runs/216.00 innings - Gordon Winsett (Calgary), 2020
   2.00 - 48 earned runs/215.67 innings - Reality Eastham (Helsinki), 2028

Lowest Qualified Batting Average Allowed in a season
 0.188 - 149 hits/793 at-bats - Favel Daloia (Paris), 2021
 0.195 - 166 hits/853 at-bats - Bill Perry (Alaska), 2024
 0.201 - 155 hits/770 at-bats - Zachariah Coumbe (Helsinki), 2022
 0.206 - 167 hits/809 at-bats - Jamal Hime (Shanghai), 2023
 0.207 - 176 hits/851 at-bats - Rutger Kanipe (St. Kizer), 2029
 0.207 - 166 hits/802 at-bats - Bill Perry (Alaska), 2020
 0.207 - 169 hits/816 at-bats - Jarrod McCann (Pittsburgh), 2031
 0.208 - 167 hits/803 at-bats - Gordon Winsett (Calgary), 2020
 0.210 - 156 hits/743 at-bats - Eliot Mautz (Edinburgh), 2024
 0.210 - 175 hits/832 at-bats - Bill Perry (Alaska), 2022
 0.212 - 180 hits/850 at-bats - Dakota Shimada (Edinburgh), 2021
 0.213 - 173 hits/814 at-bats - Preacher Moniz (Paris), 2026
 0.213 - 151 hits/710 at-bats - Endurance Pacific (Paris), 2024
 0.213 - 175 hits/822 at-bats - Jarrod McCann (Pittsburgh), 2030
 0.215 - 167 hits/776 at-bats - Tim May (Westmoreland), 2025

Lowest Qualified Hits Per 9 Innings Average Allowed in a season
   5.82 - 149 hits/230.33 innings Favel Daloia (Paris), 2021
   6.20 - 166 hits/241.00 innings Bill Perry (Alaska), 2024
   6.38 - 155 hits/218.67 innings Zachariah Coumbe (Helsinki), 2022
   6.55 - 176 hits/241.67 innings Rutger Kanipe (St. Kizer), 2029
   6.69 - 167 hits/224.67 innings Jamal Hime (Shanghai), 2023
   6.72 - 169 hits/226.33 innings Jarrod McCann (Pittsburgh), 2031
   6.75 - 156 hits/208.00 innings Eliot Mautz (Edinburgh), 2024
   6.77 - 166 hits/220.67 innings Bill Perry (Alaska), 2020
   6.84 - 151 hits/198.67 innings Endurance Pacific (Paris), 2024
   6.86 - 175 hits/229.67 innings Bill Perry (Alaska), 2022
   6.94 - 175 hits/227.00 innings Jarrod McCann (Pittsburgh), 2030
   6.95 - 178 hits/230.67 innings Jordan Miller (Alaska), 2024
   6.95 - 167 hits/216.33 innings Tim May (Westmoreland), 2025
   6.96 - 167 hits/216.00 innings Gordon Winsett (Calgary), 2020
   6.97 - 180 hits/232.33 innings Dakota Shimada (Edinburgh), 2021

Lowest Qualified Strikeout Per 9 Innings Average Allowed in a season
   2.81 - 52 strike outs/166.33 innings - Pierce Agler (Roman), 2029
   2.85 - 64 strike outs/202.00 innings - Tim Berliner (Helsinki), 2031
   2.89 - 53 strike outs/165.33 innings - Breynaldjo Sas (Calgary), 2027
   2.97 - 56 strike outs/169.67 innings - Wayland Vandenburgh (San Juan), 2028
   3.03 - 57 strike outs/169.33 innings - Allyn Renart (Heidelberg), 2027
   3.10 - 56 strike outs/162.67 innings - Lon Hascall (Helsinki), 2031
   3.19 - 65 strike outs/183.33 innings - Ernesto Muscatello (Honolulu), 2025
   3.19 - 64 strike outs/180.33 innings - Breynaldjo Sas (Calgary), 2028
   3.22 - 58 strike outs/162.33 innings - Sal Carbaro (Snake River), 2031
   3.28 - 61 strike outs/167.33 innings - Kendail Fawbush (Paris), 2031
   3.33 - 66 strike outs/178.33 innings - Tim Berliner (Helsinki), 2029
   3.35 - 76 strike outs/204.33 innings - Terry Deate (San Juan), 2025
   3.35 - 62 strike outs/166.67 innings - Milford Lanners (Helsinki), 2031
   3.45 - 77 strike outs/201.00 innings - Malachi Goings (Edinburgh), 2031
   3.46 - 64 strike outs/166.67 innings - Dom Schmitz (Morocco), 2029

Lowest Qualified Walk Per 9 Innings Average Allowed in a season
   0.83 - 20 walks/215.67 innings - Reality Eastham (Helsinki), 2028
   0.94 - 25 walks/239.67 innings - Clarence Doles (Morocco), 2031
   0.96 - 23 walks/215.67 innings - Reality Eastham (Helsinki), 2024
   0.97 - 25 walks/231.00 innings - Reality Eastham (Helsinki), 2026
   1.00 - 24 walks/216.67 innings - Reality Eastham (Helsinki), 2027
   1.02 - 26 walks/228.33 innings - Rosy Vincik (Helsinki), 2028
   1.08 - 29 walks/241.00 innings - Bill Perry (Alaska), 2024
   1.09 - 25 walks/206.00 innings - Davonne Velasquez (Helsinki), 2025
   1.11 - 28 walks/228.00 innings - Bill Perry (Alaska), 2023
   1.14 - 26 walks/204.67 innings - Davonne Velasquez (Helsinki), 2024
   1.16 - 31 walks/240.33 innings - Gordon Winsett (Calgary), 2021
   1.17 - 28 walks/216.00 innings - Gordon Winsett (Calgary), 2020
   1.18 - 37 walks/281.33 innings - Clarence Doles (Mexico City), 2026
   1.20 - 29 walks/216.67 innings - Endurance Pacific (Morocco), 2021
   1.22 - 32 walks/236.67 innings - Joel Andersson (Detroit), 2022

Lowest Qualified On-Base Percentage Allowed in a season
 0.221 - 195 times reached base/884 plate appearances - Bill Perry (Alaska), 2024
 0.239 - 200 times reached base/837 plate appearances - Gordon Winsett (Calgary), 2020
 0.240 - 202 times reached base/842 plate appearances - Bill Perry (Alaska), 2020
 0.241 - 214 times reached base/888 plate appearances - Reality Eastham (Helsinki), 2026
 0.244 - 192 times reached base/786 plate appearances - Eliot Mautz (Edinburgh), 2024
 0.245 - 214 times reached base/872 plate appearances - Bill Perry (Alaska), 2022
 0.248 - 207 times reached base/834 plate appearances - Davonne Velasquez (Helsinki), 2022
 0.249 - 214 times reached base/859 plate appearances - Bill Perry (Alaska), 2023
 0.250 - 210 times reached base/841 plate appearances - Reality Eastham (Helsinki), 2028
 0.251 - 216 times reached base/862 plate appearances - Jamal Hime (Shanghai), 2023
 0.255 - 207 times reached base/812 plate appearances - Davonne Velasquez (Helsinki), 2024
 0.256 - 224 times reached base/875 plate appearances - Jarrod McCann (Pittsburgh), 2030
 0.256 - 274 times reached base/1069 plate appearances - Lena Mackert (Morocco), 2030
 0.257 - 233 times reached base/908 plate appearances - Erick Pafko (Alaska), 2020
 0.258 - 234 times reached base/907 plate appearances - Dakota Shimada (Edinburgh), 2021

Lowest Qualified Slugging Percentage Allowed in a season
 0.288 - 245 total bases/851 at-bats - Rutger Kanipe (St. Kizer), 2029
 0.288 - 235 total bases/816 at-bats - Jarrod McCann (Pittsburgh), 2031
 0.297 - 253 total bases/853 at-bats - Bill Perry (Alaska), 2024
 0.297 - 221 total bases/743 at-bats - Eliot Mautz (Edinburgh), 2024
 0.302 - 242 total bases/802 at-bats - Bill Perry (Alaska), 2020
 0.302 - 260 total bases/861 at-bats - Tim May (Westmoreland), 2029
 0.302 - 230 total bases/761 at-bats - Rutger Kanipe (Detroit), 2023
 0.305 - 254 total bases/832 at-bats - Bill Perry (Alaska), 2022
 0.308 - 255 total bases/828 at-bats - Otho Toomer (Paris), 2023
 0.309 - 207 total bases/670 at-bats - Zachari Andujo (Pittsburgh), 2028
 0.313 - 253 total bases/809 at-bats - Jamal Hime (Shanghai), 2023
 0.315 - 243 total bases/772 at-bats - Rutger Kanipe (Detroit), 2025
 0.315 - 250 total bases/793 at-bats - Favel Daloia (Paris), 2021
 0.316 - 255 total bases/808 at-bats - Jules Tatum (Westmoreland), 2031
 0.320 - 273 total bases/852 at-bats - Erick Pafko (Alaska), 2020

Lowest Qualified Stolen Base Percentage Allowed in a season
 0.250 - 5 stolen bases/20 attempts - Zacari Bayot (Siberia), 2024
 0.350 - 7 stolen bases/20 attempts - Levin Doth (Delaware), 2030
 0.357 - 10 stolen bases/28 attempts - Vancho Senturini (Shanghai), 2027
 0.359 - 14 stolen bases/39 attempts - Zacari Bayot (Siberia), 2021
 0.364 - 8 stolen bases/22 attempts - Mike Capustano (Westmoreland), 2023
 0.370 - 10 stolen bases/27 attempts - Bole Clackwell (Morocco), 2024
 0.387 - 12 stolen bases/31 attempts - Cliff Zappowski (Stockholm), 2025
 0.400 - 14 stolen bases/35 attempts - Geoff LaMonica (Extremedura), 2020
       - 8 stolen bases/20 attempts - Tim May (Westmoreland), 2025
 0.412 - 28 stolen bases/68 attempts - James Woode (Harbor), 2025
 0.414 - 12 stolen bases/29 attempts - Geoff LaMonica (Extremedura), 2023
 0.417 - 10 stolen bases/24 attempts - Zeylon Dela (San Juan), 2027
 0.423 - 11 stolen bases/26 attempts - Dannymauri Coppa (Stockholm), 2022
 0.429 - 9 stolen bases/21 attempts - Sun Bearta (Morocco), 2028
 0.450 - 9 stolen bases/20 attempts - Aleck Gomes (San Juan), 2031