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 | (Bluesig) | Warihatag Wolves | 92 |
| 2. | Olson, Matt | (michelb3514) | Iowa Corn Pickers | 89 |
| 3. | Olson, Matt | (mudhen) | Toledo Mudhens | 87 |
| 4. | McGwire, Mark | (Lester) | Birmingham Dachshunds | 87 |
| 5. | Olson, Matt | (FisherJacobs1) | Santa Clarita Cowboys | 86 |
| 6. | Olson, Matt | (Bluesig) | Warihatag Wolves | 86 |
| 7. | Olson, Matt | (bush484) | Canton Lumber Company | 86 |
| 8. | Olson, Matt | (ScottHouston) | Maryland Terrapins | 85 |
| 9. | O'Hearn, Ryan | (babyave1) | House C Hurricanes | 85 |
| 10. | Voit, Luke | (Trilling) | Westlake Village Tanks | 85 |
| 11. | Olson, Matt | (baltimorehopeful) | Quebec Saints | 84 |
| 12. | Olson, Matt | (beck) | Braden Loopers | 84 |
| 13. | Voit, Luke | (lasershow) | Zach Attack | 84 |
| 14. | Voit, Luke | (louisfelix) | Bilbao Bulls | 83 |
| 15. | Olson, Matt | (AGoodDodgering) | Big Bad Rodgers | 83 |
| 16. | Olson, Matt | (GusPC13) | Regina Mavericks | 83 |
| 17. | Olson, Matt | (garret) | Alcatraz Misunderstood | 82 |
| 18. | Olson, Matt | (gdavis32) | Chicago Moonshiners | 82 |
| 19. | Olson, Matt | (Zellie) | Oakland Athletics | 82 |
| 20. | Olson, Matt | (Don55) | BB INCOGNITO | 82 |
| 21. | Olson, Matt | (MarketMallers) | Qc Caps | 82 |
| 22. | Gallo, Joey | (Bluesig) | Barañaque Black Ocelots | 82 |
| 23. | McGwire, Mark | (tgbbirch) | Southern mich Eagles | 82 |
| 24. | Bonds, Barry | (Slippingjimmy) | Chittenango Wizards of Oz | 81 |
| 25. | Bonds, Barry | (mickey7) | Quantrill Raiders | 81 |
| 26. | Bonds, Barry | (WorcWarr) | Worcester Warriors | 81 |
| 27. | Voit, Luke | (montgomerybrews) | Gainesville Gators | 81 |
| 28. | Olson, Matt | (Gu1nne55) | Gu1nne55 Toucans | 81 |
| 29. | Voit, Luke | (GusPC13) | Regina Mavericks | 81 |
| 30. | Olson, Matt | (Zigwiggity) | Pink Slime | 80 |
| 31. | McGwire, Mark | (Zigwiggity) | The Undisputed ERA | 80 |
| 32. | Voit, Luke | (Cg4177) | Houston Mavericks | 80 |
| 33. | Olson, Matt | (Gu1nne55) | Gu1nne55 Toucans | 80 |
| 34. | Olson, Matt | (ressien) | Washington Huskies | 80 |
| 35. | Olson, Matt | (Mowolfon) | Bensonhurst Cyclones | 80 |
| 36. | O'Hearn, Ryan | (MLBnation) | Portland Beavers | 80 |
| 37. | Gallo, Joey | (allup8679) | The Dangerous Alliance | 80 |
| 38. | Voit, Luke | (ColinBoucher) | Derelict Winos | 80 |
| 39. | Voit, Luke | (babyave1) | New England Minutemen | 80 |
| 40. | McGwire, Mark | (tgbbirch) | Kentucky Spirits | 80 |
| 41. | Olson, Matt | (Gu1nne55) | Gu1nne55 Toucans | 79 |
| 42. | Olson, Matt | (BadCo1212) | Brazil Guinnes Toucans | 79 |
| 43. | Olson, Matt | (spf18) | San Diego Tsunami | 79 |
| 44. | O'Hearn, Ryan | (Bluesig) | Barañaque Black Ocelots | 79 |
| 45. | O'Hearn, Ryan | (Chicos75) | Jamaica Blackmons | 79 |
| 46. | Olson, Matt | (Joemcg) | OC Hornets | 79 |
| 47. | Voit, Luke | (bush484) | Canton Lumber Company | 79 |
| 48. | Olson, Matt | (gdavis32) | Albuquerque Blue Crystals | 79 |
| 49. | Olson, Matt | (ssrice123) | Stark City Iron Men | 79 |
| 50. | Hoskins, Rhys | (Italianice85) | Ottawa Hurricanes | 79 |