Favorite Teams leagues are not included in Single-Season records. Records only remain for 10 seasons.
Single-Season Leaders (OPS)
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. | Bonds, Barry | (Trulaia) | Revenge of Samson | 1.322 |
| 2. | Carpenter, Matt | (prisonmike95) | Montreal Expos | 1.301 |
| 3. | Bonds, Barry | (WorcWarr) | Worcester Warriors | 1.291 |
| 4. | Carpenter, Matt | (ColinBoucher) | DoppelHead BobbleGängers | 1.291 |
| 5. | Carpenter, Matt | (Texashorns2023) | Luna City Unicorns | 1.288 |
| 6. | Soto, Juan | CAPE GIRARDEAU CAPAHAS | 1.286 | |
| 7. | McGwire, Mark | (JohnHeidy) | Kenosha Killer Bees | 1.284 |
| 8. | Bonds, Barry | (ClassicOs) | Baltimore Orioles | 1.284 |
| 9. | Bonds, Barry | (Trulaia) | Glasgow Eagles | 1.280 |
| 10. | Bonds, Barry | (BAR23) | Bloomington Blue Bombers | 1.279 |
| 11. | Bonds, Barry | (ironwill1) | Lake Merritt Cormorants | 1.272 |
| 12. | Bonds, Barry | (BAR23) | Bloomington Blue Bombers | 1.269 |
| 13. | Bonds, Barry | (paranoid) | Las Vegas Desert Knights | 1.268 |
| 14. | Carpenter, Matt | (BAR23) | Ramsey County Rampage | 1.268 |
| 15. | Carpenter, Matt | (BadCo1212) | Francisco French Fry | 1.268 |
| 16. | Bonds, Barry | (griffenberg) | Pirate Fortress Archers of Love | 1.267 |
| 17. | Bonds, Barry | (paranoid) | The Meadows CaballerosDeOro | 1.265 |
| 18. | Bonds, Barry | (JohnHeidy) | Minnewaska Mavericks | 1.264 |
| 19. | Bonds, Barry | (nycubsfan) | NYC Cubbies | 1.262 |
| 20. | Bonds, Barry | (michelb3514) | Iowa Corn Pickers | 1.261 |
| 21. | Carpenter, Matt | (moosejaa) | Heritage Pointers | 1.257 |
| 22. | Hoskins, Rhys | (Zigwiggity) | Iowa Corn Pickers | 1.255 |
| 23. | Bonds, Barry | (Trulaia) | Stockton Stars | 1.253 |
| 24. | Carpenter, Matt | Brooklyn Bulldogs | 1.251 | |
| 25. | Bonds, Barry | (DukeBlues) | Brookings-Harbor Sons of Liberty | 1.249 |
| 26. | Carpenter, Matt | (ColinBoucher) | BigMaple VaGiants | 1.249 |
| 27. | Bonds, Barry | (Artinshki) | Base Ball Classics | 1.248 |
| 28. | Bonds, Barry | (filler) | WV Hillbillies | 1.248 |
| 29. | Bonds, Barry | (dynasty) | Denver Pinetar Heroes | 1.247 |
| 30. | Bonds, Barry | (Trulaia) | Los Angeles 24ers | 1.245 |
| 31. | Carpenter, Matt | (ColinBoucher) | Kalahari Wild Dogs | 1.244 |
| 32. | Bonds, Barry | (andyyoung) | Hollywood Stars | 1.243 |
| 33. | Carpenter, Matt | (ColinBoucher) | Bishop Sycamore H.S. Vagabonds | 1.244 |
| 34. | Bonds, Barry | (ikej) | Maine No B.S. | 1.241 |
| 35. | McGwire, Mark | (Mrploppie) | PORTLAND Pork Rinds | 1.240 |
| 36. | Bonds, Barry | (ranger) | HOUSTON OILERS | 1.240 |
| 37. | Carpenter, Matt | (DelBaseballFan) | Rehoboth Rebels | 1.239 |
| 38. | Bonds, Barry | (BlueJays2) | South Dakota Cyclones | 1.238 |
| 39. | Olson, Matt | (Krallel) | Buffalo CROWS | 1.238 |
| 40. | Trout, Mike | (BAR23) | Washington Co. Wasps | 1.237 |
| 41. | Carpenter, Matt | York Lions | 1.237 | |
| 42. | Trout, Mike | (paranoid) | Las Vegas Chaos II | 1.237 |
| 43. | Bonds, Barry | (sgt714) | Boston Red Sox | 1.235 |
| 44. | Bonds, Barry | (WorcWarr) | Worcester Warriors | 1.235 |
| 45. | Bonds, Barry | (dunroche) | Toledo Mudhens | 1.235 |
| 46. | Carpenter, Matt | (timnara1) | VLADIMIR’S MANDALORIANS | 1.234 |
| 47. | Bonds, Barry | (tgbsbl1967) | St Joe Runaways | 1.235 |
| 48. | Bonds, Barry | (bfstevens) | Catoctin Creeks | 1.233 |
| 49. | Carpenter, Matt | (natsfan0012) | BB Bumble Bees | 1.233 |
| 50. | Bonds, Barry | Crosby Bobbies | 1.233 |