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 | (dbutts) | South Dakota Farewells | 1.321 |
| 2. | Bonds, Barry | (Jericho2u) | Honolulu Hooters | 1.316 |
| 3. | Bonds, Barry | (roguerouge) | Cape Town Prawns | 1.292 |
| 4. | Bonds, Barry | (Trulaia) | Los Angeles 24ers | 1.273 |
| 5. | Ruth, Babe | (sumo6901) | Columbia Lions | 1.266 |
| 6. | Bonds, Barry | Way Down Yonder Chatahoochies | 1.265 | |
| 7. | Bonds, Barry | (kds4316) | San Antonio Missions | 1.264 |
| 8. | Bonds, Barry | (Pman) | Nassau’s Michael G | 1.259 |
| 9. | Bonds, Barry | (iamcota) | Rockingham Renegados | 1.258 |
| 10. | Bonds, Barry | (mmeler) | Seattle Bulls | 1.255 |
| 11. | Bonds, Barry | (shane211) | South Dakota Grasshoppers | 1.256 |
| 12. | Bonds, Barry | (smoussette12) | Boston NightHawks | 1.255 |
| 13. | Ruth, Babe | (wadesayles) | Nebo Bluebirds | 1.250 |
| 14. | Bonds, Barry | (beck) | Peoria Bee Stingers | 1.249 |
| 15. | Bonds, Barry | (Charlie22) | Glacier Peaks | 1.249 |
| 16. | Bonds, Barry | Columbus Braves | 1.248 | |
| 17. | Bonds, Barry | (Myunclepunk) | Chicago Motorbikes | 1.248 |
| 18. | Bonds, Barry | (michelb3514) | Iowa Corn Pickers | 1.247 |
| 19. | Bonds, Barry | (dynasty) | Canandaigua Chickens | 1.246 |
| 20. | Bonds, Barry | (Myunclepunk) | Chicago Spirit | 1.246 |
| 21. | Bonds, Barry | (shelley71) | Middle Earth White Walkers | 1.245 |
| 22. | Bonds, Barry | (shelley71) | Middle Earth White Walkers | 1.244 |
| 23. | Gehrig, Lou | (richgibson) | Kazoo SDS | 1.244 |
| 24. | Bonds, Barry | Humbolt 💰⚾ | 1.242 | |
| 25. | Bonds, Barry | (WorcWarr) | Worcester Warriors | 1.242 |
| 26. | Bonds, Barry | (mckarcher) | Punxsutawney Phils | 1.240 |
| 27. | Bonds, Barry | (Trulaia) | Los Angeles 24ers | 1.240 |
| 28. | Bonds, Barry | Base Ball Classics | 1.240 | |
| 29. | Bonds, Barry | Base Ball Classics | 1.239 | |
| 30. | Bonds, Barry | (RelvinMelvin) | THE GOP | 1.238 |
| 31. | Bonds, Barry | Way Down Yonder Chatahoochies | 1.238 | |
| 32. | Bonds, Barry | (PalinJames) | Los Angeles Eagles | 1.237 |
| 33. | Bonds, Barry | (Bluesig) | Magallañes Bolsheviks | 1.237 |
| 34. | Bonds, Barry | (hockeydude25) | K-Town Hollywoods | 1.236 |
| 35. | Bonds, Barry | (pamash07) | Portland Drumsticks | 1.235 |
| 36. | Ruth, Babe | (Warrior) | Miami Dolphins | 1.234 |
| 37. | Bonds, Barry | (henrythorn) | Las Vegas Avengers | 1.234 |
| 38. | Bonds, Barry | (michelb3514) | Iowa Corn Pickers | 1.234 |
| 39. | Bonds, Barry | Baltimore Orioles | 1.233 | |
| 40. | Bonds, Barry | Way Down Yonder Chatahoochies | 1.233 | |
| 41. | Bonds, Barry | (andrewclovell) | Ithaca Bombers | 1.231 |
| 42. | Bonds, Barry | (Warrior) | St. Louis Sluggers | 1.231 |
| 43. | Bonds, Barry | (tbone34) | Paris Mets | 1.228 |
| 44. | Bonds, Barry | (ginkster) | Toledo Stallions | 1.227 |
| 45. | Bonds, Barry | (Coach229) | Utica Post 229 | 1.227 |
| 46. | Bonds, Barry | (andrewclovell) | Ithaca Bombers | 1.227 |
| 47. | Williams, Ted | (chapman) | Jackson Hole Red Jackhole's | 1.227 |
| 48. | Bonds, Barry | (babyave1) | D.C. Slackers | 1.226 |
| 49. | Bonds, Barry | (wileydog97) | Chicago Red Barons | 1.226 |
| 50. | Bonds, Barry | (richgibson) | Dodge City COLOR ME GONES | 1.224 |