Favorite Teams leagues are not included in Single-Season records. Records only remain for 10 seasons.
Single-Season Leaders (Walks)
Average
OBP
SLG
OPS
At Bats
Runs
Hits
Doubles
Triples
Homers
RBIs
Walks
Strikeouts
Stolen Bases
Caught Stealing
Sac Hits
Sac Fly
HBP
GIDP
D+/-
Wins
Losses
ERA
WHIP
Innings
Hits Allowed
HR Allowed
Walks (P)
Strikeouts (p)
Complete Games
Saves
Blown Saves
Shutouts
Quality Starts
Wild Pitches
Hit Batters
H/9
BB/9
SO/9
| 1. | Richard, J.R. | (Joeholl) | Sacramento Orbit | 177 |
| 2. | Ryan, Nolan | (filler) | Whitehall Legions | 170 |
| 3. | Ryan, Nolan | (Londonians) | South Florida Sharks | 166 |
| 4. | Sutton, Don | (dunroche) | Chenango Wolves | 163 |
| 5. | Ryan, Nolan | (Gibblets1973) | East End Eagle | 162 |
| 6. | Ryan, Nolan | (vonveezil) | Laguna Niguel Fish | 160 |
| 7. | Ryan, Nolan | (jaredhamann) | JACKSONVILLE GREY WOLVES | 160 |
| 8. | Ryan, Nolan | (gibblets1973) | Virginia Park Vandals | 158 |
| 9. | Score, Herb | (filler) | Watertown Mountaineers | 157 |
| 10. | Score, Herb | (FlyNavy86) | Fox Creek Swamp Sloths | 157 |
| 11. | Score, Herb | (dynasty) | Virginia City Cartwrights | 157 |
| 12. | Ryan, Nolan | (Wileydog97) | Raleigh Fighting Suns | 156 |
| 13. | Ryan, Nolan | (Majestic44) | El paso Bears | 156 |
| 14. | Coombs, Jack | (dynasty) | Poplar Ormeago | 156 |
| 15. | Ryan, Nolan | (coachmcs) | Arlington Athletics | 155 |
| 16. | Ryan, Nolan | (ClassicOs) | Baltimore Orioles | 155 |
| 17. | Ryan, Nolan | (dynasty) | Glenville Trojans | 154 |
| 18. | Ryan, Nolan | (filler) | Dublin Dogfighters | 153 |
| 19. | Ryan, Nolan | (829er) | Lothair Greifzens | 153 |
| 20. | O'Toole, Marty | (filler) | Capitol City Wolves | 153 |
| 21. | Score, Herb | (filler) | Focus Groups | 153 |
| 22. | Score, Herb | (filler) | Miami Cats | 153 |
| 23. | Ryan, Nolan | (coachmcs) | WESTERN STARS | 152 |
| 24. | Ryan, Nolan | (fps1956) | Beach Bums | 152 |
| 25. | Ryan, Nolan | (danny3333) | Las Vegas Gamblers | 152 |
| 26. | Ryan, Nolan | (hootjohnson) | Bostonville Blue Carp | 152 |
| 27. | Leiter, Al | (Trulaia) | Boston Bees | 152 |
| 28. | Rogers, Steve | Washington DEAD PRESIDENTS | 152 | |
| 29. | Ryan, Nolan | (coachmcs) | Staten Island Ferries | 152 |
| 30. | Ryan, Nolan | (dunroche) | London Nevers | 152 |
| 31. | Score, Herb | (jaredhamann) | Chicago Smash | 152 |
| 32. | Ryan, Nolan | (gibblets1973) | Baby Snakes | 152 |
| 33. | Ryan, Nolan | (rreebe916) | Queens Baseball Club🇺🇦 | 151 |
| 34. | Ryan, Nolan | Binghamton Bashers | 151 | |
| 35. | Score, Herb | (richgibson) | Rouge River Rats | 151 |
| 36. | Ryan, Nolan | (gibblets1973) | West End Swirling Swirls | 151 |
| 37. | Feller, Bob | (hayzess) | New York Knights | 151 |
| 38. | Score, Herb | (brettphillips35) | Cali Fornians | 151 |
| 39. | Score, Herb | (rubaseball78) | Windsor White's Other I's | 150 |
| 40. | Ryan, Nolan | (coachmcs) | Chicago Cows | 150 |
| 41. | Leiter, Al | (filler8) | Savannah Dawgs | 150 |
| 42. | Ryan, Nolan | (mattholland1975) | Dunder Mifflin Daisies | 150 |
| 43. | Leiter, Al | (Slothmonkey) | Andalusia Arrows | 150 |
| 44. | Turley, Bob | (Ruthbonds) | Brooklyn Beavers | 149 |
| 45. | Ryan, Nolan | (DaveH) | Ladson Dodgers | 149 |
| 46. | Langston, Mark | (Slothmonkey) | Winterfell Wolves | 149 |
| 47. | Ryan, Nolan | (tda81) | SHERWOOD SWINGERS | 149 |
| 48. | Ryan, Nolan | (filler8) | Four Aces One King | 149 |
| 49. | Score, Herb | (filler) | Canton Coyotes | 148 |
| 50. | Ryan, Nolan | (rfb60609) | Enola Gays | 148 |