Favorite Teams leagues are not included in Single-Season records. Records only remain for 10 seasons.
Single-Season Leaders (Slugging)
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. | Carpenter, Matt | (dynasty) | Washington Co. Wasps | .872 |
| 2. | Carpenter, Matt | (noahis2cul4u) | Vegas Vics | .862 |
| 3. | Carpenter, Matt | (ColinBoucher) | DoppelHead BobbleGängers | .857 |
| 4. | Carpenter, Matt | (brettphillips35) | Ramsey County Rampage | .851 |
| 5. | Carpenter, Matt | (brettphillips35) | Ramsey County Rampage | .851 |
| 6. | Carpenter, Matt | (brettphillips35) | Ramsey County Rampage | .851 |
| 7. | Carpenter, Matt | (brettphillips35) | Ramsey County Rampage | .851 |
| 8. | Carpenter, Matt | (brettphillips35) | Ramsey County Rampage | .851 |
| 9. | Carpenter, Matt | (brettphillips35) | Ramsey County Rampage | .851 |
| 10. | Carpenter, Matt | (willyb3) | Montreal Expos | .851 |
| 11. | Carpenter, Matt | (filler8) | Francisco French Fry | .845 |
| 12. | Carpenter, Matt | (jim2miller) | Elkhart Blue Blazers | .836 |
| 13. | Carpenter, Matt | (JStrauss51) | Luna City Unicorns | .833 |
| 14. | Carpenter, Matt | (ColinBoucher) | Rancho Cucamonga Quakes | .830 |
| 15. | Carpenter, Matt | (Epitome31) | Oakmont Yankees | .827 |
| 16. | Bonds, Barry | (WorcWarr) | Worcester Warriors | .826 |
| 17. | Carpenter, Matt | (filler) | Heritage Pointers | .826 |
| 18. | Hoskins, Rhys | (lasershow) | Iowa Cornhuskers | .824 |
| 19. | Bonds, Barry | (Trulaia) | Revenge of Samson | .819 |
| 20. | Carpenter, Matt | (Slothmonkey) | Bi VaGi | .819 |
| 21. | Carpenter, Matt | (ColinBoucher) | Bishop Sycamore H.S. Vagabonds | .819 |
| 22. | Carpenter, Matt | (hanson) | Warner Robins Renegades | .818 |
| 23. | Carpenter, Matt | (ColinBoucher) | Dunning Kruger Dotards | .817 |
| 24. | Carpenter, Matt | (bnewman58) | Macon Friends | .817 |
| 25. | Carpenter, Matt | (epitome31) | Toronto Blue Jays | .817 |
| 26. | Carpenter, Matt | (BAR23) | Royal Hill Lions | .816 |
| 27. | Carpenter, Matt | (Copp26) | Pensacola Tigers | .816 |
| 28. | Carpenter, Matt | (ColinBoucher) | Hesi Pull-up Jimbos | .816 |
| 29. | Carpenter, Matt | (meras) | Detroit Mechanics | .813 |
| 30. | Carpenter, Matt | (ColinBoucher) | ‘Sota BobbleVikes | .812 |
| 31. | Carpenter, Matt | (ColinBoucher) | Gunung Padang MountainHoppers | .812 |
| 32. | Carpenter, Matt | (dgeorgi) | STEPPIN WOLF MAGIC CARPET RIDE | .810 |
| 33. | Bonds, Barry | (paranoid) | Las Vegas Desert Knights | .809 |
| 34. | Carpenter, Matt | (hanson) | LANDON LIONS | .808 |
| 35. | Carpenter, Matt | (DelBaseballFan) | Rehoboth Rebels | .807 |
| 36. | Bonds, Barry | (MJR) | Bloomington Blue Bombers | .805 |
| 37. | Carpenter, Matt | (GPSMAN) | Detroit Tigers | .805 |
| 38. | Carpenter, Matt | (ColinBoucher) | Relentlessly Competent •• | .805 |
| 39. | Carpenter, Matt | (marty17595) | California Bears | .804 |
| 40. | Bonds, Barry | Baltimore Orioles | .804 | |
| 41. | Carpenter, Matt | (hanson) | MISSOURI MULES | .803 |
| 42. | Carpenter, Matt | (Jefffreyb) | TT Twirls | .802 |
| 43. | Carpenter, Matt | (Pcguru) | Cebb Henne | .802 |
| 44. | Carpenter, Matt | (filler) | All-Valley North Stars | .801 |
| 45. | Carpenter, Matt | (ColinBoucher) | Albuquerque Boiled Turkeys | .801 |
| 46. | Carpenter, Matt | (jeter0296) | Freehold Yankees | .801 |
| 47. | Bonds, Barry | (paranoid) | The Meadows CaballerosDeOro | .801 |
| 48. | Hoskins, Rhys | (lasershow) | Iowa Cornhuskers | .799 |
| 49. | Carpenter, Matt | (hanson) | MISSOURI MULES | .799 |
| 50. | Carpenter, Matt | (ColinBoucher) | LethargicAthletics OG ABC’s | .799 |
