Favorite Teams leagues are not included in Single-Season records. Records only remain for 10 seasons.
Single-Season Leaders (Homers)
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. | Olson, Matt | (Krallel) | Buffalo CROWS | 103 |
| 2. | Olson, Matt | (sammy-z) | Young Bloody Lab Rats | 99 |
| 3. | Carpenter, Matt | (dgeorgi) | STEPPIN WOLF MAGIC CARPET RIDE | 93 |
| 4. | Carpenter, Matt | (BAR23) | Ramsey County Rampage | 92 |
| 5. | Olson, Matt | (Artinshki) | Random Year Rhubarbs | 91 |
| 6. | Carpenter, Matt | (ColinBoucher) | Hesi Pull-up Jimbos | 90 |
| 7. | Hoskins, Rhys | (Zigwiggity) | Iowa Corn Pickers | 90 |
| 8. | Carpenter, Matt | (ColinBoucher) | DoppelHead BobbleGängers | 89 |
| 9. | Carpenter, Matt | (jeter0296) | Freehold Yankees | 89 |
| 10. | Carpenter, Matt | (BAR23) | Royal Hill Lions | 88 |
| 11. | Carpenter, Matt | (jaredhamann) | New Orleans Swampdogs | 88 |
| 12. | Hoskins, Rhys | (Zigwiggity) | Iowa Corn Pickers | 87 |
| 13. | Carpenter, Matt | (Trulaia) | CC Cats | 87 |
| 14. | Carpenter, Matt | (ColinBoucher) | Rancho Cucamonga Quakes | 86 |
| 15. | Carpenter, Matt | (ColinBoucher) | Gunung Padang North Stars | 86 |
| 16. | Carpenter, Matt | Brooklyn Bulldogs | 86 | |
| 17. | McGwire, Mark | Funky Bull Excrement | 85 | |
| 18. | Carpenter, Matt | (BlueJays2) | OO Oldtimers | 85 |
| 19. | Bonds, Barry | (JohnHeidy) | Minnewaska Mavericks | 85 |
| 20. | Carpenter, Matt | (jeter0296) | Freehold Yankees | 85 |
| 21. | Carpenter, Matt | (BAR23) | Royal Hill Lions | 84 |
| 22. | McGwire, Mark | (Cubanlou) | Chattanooga Colts | 84 |
| 23. | Hoskins, Rhys | (Artinshki) | Random Year Rhubarbs | 84 |
| 24. | Carpenter, Matt | (Texashorns2023) | Luna City Unicorns | 84 |
| 25. | Smith, Will | (donnpall) | Las Vegas Sun Sox | 83 |
| 26. | Carpenter, Matt | (peteturner30) | Omaha Iowaska | 83 |
| 27. | Carpenter, Matt | (DaveH) | Ladson Cougars | 83 |
| 28. | Hoskins, Rhys | (MikenLaw2017) | Quebec Capitale | 82 |
| 29. | Hoskins, Rhys | (michelb3514) | Iowa Corn Pickers | 82 |
| 30. | Carpenter, Matt | (Dguev17) | Uniontown Brown | 82 |
| 31. | Carpenter, Matt | (joemcg) | OC Ducks | 82 |
| 32. | Bonds, Barry | (ironwill1) | Lake Merritt Cormorants | 82 |
| 33. | Carpenter, Matt | (ColinBoucher) | Kalahari Wild Dogs | 82 |
| 34. | Olson, Matt | (brettphillips35) | Ahch-To Porgs | 82 |
| 35. | Carpenter, Matt | (ColinBoucher) | HillBilly Heroes | 82 |
| 36. | Olson, Matt | (Krallel) | Buffalo CROWS | 81 |
| 37. | Bonds, Barry | (BAR23) | Shaggy Parasols | 81 |
| 38. | Hoskins, Rhys | (shelley71) | San Francisco Sabotage | 81 |
| 39. | Carpenter, Matt | (JustinTime420) | Charlotte Clydesdales | 81 |
| 40. | Carpenter, Matt | (BAR23) | Washington Co. Wasps | 81 |
| 41. | Carpenter, Matt | (ColinBoucher) | Bishop Sycamore H.S. Vagabonds | 81 |
| 42. | Carpenter, Matt | (ColinBoucher) | BigMaple VaGiants | 81 |
| 43. | Carpenter, Matt | (Bourni1) | Cibao Piratas | 80 |
| 44. | Voit, Luke | (Trulaia) | Glasgow Gladiators | 80 |
| 45. | Carpenter, Matt | (Teegirl77) | Galena T Birds | 80 |
| 46. | Olson, Matt | (Chubbach24) | Pallet Town Pikachus | 80 |
| 47. | Carpenter, Matt | (Texashorns2023) | Luna City Unicorns | 80 |
| 48. | Olson, Matt | (sammy-z) | Baltimore BBCORioles | 80 |
| 49. | Voit, Luke | (BlueJays2) | Ladson Cougars | 80 |
| 50. | Carpenter, Matt | (BadCo1212) | Francisco French Fry | 80 |