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. | (filler) | Kansas City Packers | 177 |
| 2. | Ryan, Nolan | (filler8) | Whitehall Legions | 170 |
| 3. | Ryan, Nolan | (bcarnes) | Milwaukee CHEESEHEADS | 168 |
| 4. | Ryan, Nolan | (dynasty) | PARIS RAIDERS | 166 |
| 5. | Ryan, Nolan | (Nammerz) | Laguna Niguel SHARKS | 160 |
| 6. | Ryan, Nolan | (rreebe916) | South Dakota BUCKS | 160 |
| 7. | Ryan, Nolan | (gibblets1973) | Virginia Park Vandals | 158 |
| 8. | Score, Herb | (honez) | Memphis Chicks | 157 |
| 9. | Score, Herb | (dbutts) | Biloxi Bombers | 157 |
| 10. | Score, Herb | (filler8) | Watertown Mountaineers | 157 |
| 11. | Ryan, Nolan | (filler) | South Goa | 156 |
| 12. | Ryan, Nolan | (dynasty) | Nesconset Nasties | 156 |
| 13. | Coombs, Jack | (dynasty) | Poplar Ormeago | 156 |
| 14. | Ryan, Nolan | (mbeiser9999) | Maryville Fighting Suns | 156 |
| 15. | Ryan, Nolan | (coachmcs) | Arlington Athletics | 155 |
| 16. | Ryan, Nolan | (dynasty) | Glenville Trojans | 154 |
| 17. | Ryan, Nolan | (filler) | Dublin Dogfighters | 153 |
| 18. | Score, Herb | (dbutts) | Nassau Merokians | 153 |
| 19. | Score, Herb | (markphip) | New York Yankees | 153 |
| 20. | Ryan, Nolan | (829er) | Lothair Greifzens | 153 |
| 21. | Ryan, Nolan | (filler) | Carolina Storm | 153 |
| 22. | Score, Herb | (filler) | Miami Cats | 153 |
| 23. | Ryan, Nolan | (smoyer) | Bowa Constrictors | 152 |
| 24. | Ryan, Nolan | (tsiegler) | Seminole Rays | 152 |
| 25. | Leiter, Al | (Trulaia) | Boston Bees | 152 |
| 26. | Ryan, Nolan | (dunroche) | London Nevers | 152 |
| 27. | Downing, Al | (Silas) | Poughkeepsie Colts | 152 |
| 28. | Ryan, Nolan | (coachmcs) | Staten Island Ferries | 152 |
| 29. | Ryan, Nolan | (coachmcs) | WESTERN STARS | 152 |
| 30. | Ryan, Nolan | (dynasty) | Affton Black Cats | 152 |
| 31. | Ryan, Nolan | (cubanlou) | Albuquerque Dukes | 152 |
| 32. | Rogers, Steve | (BamaTrashman) | Staten Island Storm | 152 |
| 33. | Ryan, Nolan | (dynasty) | Binghamton Bashers | 151 |
| 34. | Blue, Vida | (filler) | Serenity Now | 151 |
| 35. | Score, Herb | (dynasty) | Cali Fornians | 151 |
| 36. | Ryan, Nolan | (dynasty) | Kansas Benders | 151 |
| 37. | Ryan, Nolan | (gibblets1973) | West End Swirling Swirls | 151 |
| 38. | Ryan, Nolan | (chaaad) | Queens Baseball Club | 151 |
| 39. | Score, Herb | (SingaporeRat) | Singapore River Rats | 151 |
| 40. | Leiter, Al | (Bj99) | Andalusia Arrows | 150 |
| 41. | Score, Herb | (rubaseball78) | Windsor White's Other I's | 150 |
| 42. | Ryan, Nolan | (filler) | Messick Mud Dogs | 150 |
| 43. | Wood, Kerry | (filler) | South Dakota Mighty Dolphins | 150 |
| 44. | Leiter, Al | (DFITZ01) | Savannah Dawgs | 150 |
| 45. | Ryan, Nolan | (MikeDrop0221) | Peoria Eagles | 150 |
| 46. | Ryan, Nolan | (coachmcs) | Chicago Cows | 150 |
| 47. | Ryan, Nolan | (filler) | South Dakota Pincers | 150 |
| 48. | Langston, Mark | (filler) | Winterfell Silvers | 149 |
| 49. | Ryan, Nolan | (Gendralbasearde) | Albuquerque Dukes | 149 |
| 50. | Ryan, Nolan | (MikeDrop0221) | Toronto Shadows | 149 |