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 | (willyb3) | Montreal Expos | 1.301 |
| 3. | Carpenter, Matt | (dynasty) | Washington Co. Wasps | 1.295 |
| 4. | Carpenter, Matt | (noahis2cul4u) | Vegas Vics | 1.292 |
| 5. | Bonds, Barry | (WorcWarr) | Worcester Warriors | 1.291 |
| 6. | Carpenter, Matt | (ColinBoucher) | DoppelHead BobbleGängers | 1.291 |
| 7. | Carpenter, Matt | (JStrauss51) | Luna City Unicorns | 1.288 |
| 8. | Bonds, Barry | Baltimore Orioles | 1.284 | |
| 9. | Bonds, Barry | (Trulaia) | Glasgow Eagles | 1.280 |
| 10. | Bonds, Barry | (MJR) | Bloomington Blue Bombers | 1.279 |
| 11. | Bonds, Barry | (BobbyCarnes) | OBX PIRATES | 1.278 |
| 12. | Bonds, Barry | (paranoid) | Las Vegas Desert Knights | 1.268 |
| 13. | Carpenter, Matt | (brettphillips35) | Ramsey County Rampage | 1.268 |
| 14. | Carpenter, Matt | (brettphillips35) | Ramsey County Rampage | 1.268 |
| 15. | Carpenter, Matt | (brettphillips35) | Ramsey County Rampage | 1.268 |
| 16. | Carpenter, Matt | (brettphillips35) | Ramsey County Rampage | 1.268 |
| 17. | Carpenter, Matt | (brettphillips35) | Ramsey County Rampage | 1.268 |
| 18. | Carpenter, Matt | (brettphillips35) | Ramsey County Rampage | 1.268 |
| 19. | Carpenter, Matt | (filler8) | Francisco French Fry | 1.268 |
| 20. | Bonds, Barry | (spit_ball44) | City Pound D o g z | 1.267 |
| 21. | Bonds, Barry | (paranoid) | The Meadows CaballerosDeOro | 1.265 |
| 22. | Bonds, Barry | (nycubsfan) | NYC Cubbies | 1.262 |
| 23. | Bonds, Barry | (Trulaia) | Stockton Stars | 1.261 |
| 24. | Carpenter, Matt | (ColinBoucher) | ‘Sota BobbleVikes | 1.261 |
| 25. | Carpenter, Matt | (jim2miller) | Elkhart Blue Blazers | 1.261 |
| 26. | Bonds, Barry | (michelb3514) | Iowa Corn Pickers | 1.261 |
| 27. | Bonds, Barry | (filler8) | Oklahoma Wolves | 1.260 |
| 28. | Carpenter, Matt | (filler) | Heritage Pointers | 1.257 |
| 29. | Hoskins, Rhys | (lasershow) | Iowa Cornhuskers | 1.255 |
| 30. | Carpenter, Matt | (ColinBoucher) | Rancho Cucamonga Quakes | 1.254 |
| 31. | Bonds, Barry | (Trulaia) | Stockton Stars | 1.253 |
| 32. | Carpenter, Matt | (Epitome31) | Oakmont Yankees | 1.251 |
| 33. | Bonds, Barry | (Mortamar1966) | Kansas City Monarchs | 1.249 |
| 34. | Carpenter, Matt | (Slothmonkey) | Bi VaGi | 1.249 |
| 35. | Carpenter, Matt | (marty17595) | California Bears | 1.248 |
| 36. | Bonds, Barry | (baseballpi) | Boston Bees | 1.248 |
| 37. | Bonds, Barry | (filler) | WV Hillbillies | 1.248 |
| 38. | Bonds, Barry | (rreebe916) | Denver Pinetar Heroes | 1.247 |
| 39. | Carpenter, Matt | (ColinBoucher) | Gunung Padang MountainHoppers | 1.246 |
| 40. | Bonds, Barry | (Trulaia) | Los Angeles 24ers | 1.245 |
| 41. | Bonds, Barry | (andyyoung) | Hollywood Stars | 1.243 |
| 42. | Carpenter, Matt | (ColinBoucher) | Bishop Sycamore H.S. Vagabonds | 1.244 |
| 43. | Bonds, Barry | (ikej) | Maine No B.S. | 1.241 |
| 44. | McGwire, Mark | (meras) | Ridgemond Gladiators | 1.240 |
| 45. | Bonds, Barry | (ranger) | HOUSTON OILERS | 1.240 |
| 46. | Carpenter, Matt | (DelBaseballFan) | Rehoboth Rebels | 1.239 |
| 47. | Bonds, Barry | (jericho2u) | Dixie Boy Happy Toyz | 1.238 |
| 48. | Carpenter, Matt | (ColinBoucher) | LethargicAthletics OG ABC’s | 1.238 |
| 49. | Trout, Mike | (dynasty) | Washington Co. Wasps | 1.237 |
| 50. | Carpenter, Matt | (hanson) | LANDON LIONS | 1.237 |
