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 | (Brooker) | 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 | (spit_ball44) | Moonshiner City BOOTLEGGERS | 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 | (ericsk0122) | Seattle Bulls | 1.255 |
| 11. | Bonds, Barry | South Dakota Grasshoppers | 1.256 | |
| 12. | Bonds, Barry | (Candelarena) | Boston NightHawks | 1.255 |
| 13. | Ruth, Babe | Nebo Bluebirds | 1.250 | |
| 14. | Bonds, Barry | (MaximusTom) | Farm Cows | 1.249 |
| 15. | Bonds, Barry | (Charlie22) | Glacier Peaks | 1.249 |
| 16. | Bonds, Barry | (filler) | Columbus Braves | 1.248 |
| 17. | Bonds, Barry | (Myunclepunk) | Chicago Motorbikes | 1.248 |
| 18. | Bonds, Barry | (michelb3514) | Iowa Corn Pickers | 1.247 |
| 19. | Bonds, Barry | (DaveH) | Ladson Dodgers | 1.246 |
| 20. | Bonds, Barry | (Myunclepunk) | Chicago Spirit | 1.246 |
| 21. | Bonds, Barry | (Bears19) | Middle Earth White Walkers | 1.245 |
| 22. | Bonds, Barry | (Bears19) | Middle Earth White Walkers | 1.244 |
| 23. | Gehrig, Lou | (Fungoking) | Big Pines Baseball Team | 1.244 |
| 24. | Bonds, Barry | (BOBVEALE39) | Buffalo Wharf Rats | 1.242 |
| 25. | Bonds, Barry | (WorcWarr) | Worcester Warriors | 1.242 |
| 26. | Bonds, Barry | (mckarcher) | Emerald City Archers | 1.240 |
| 27. | Bonds, Barry | (Trulaia) | Los Angeles 24ers | 1.240 |
| 28. | Bonds, Barry | Lancaster Raiders | 1.240 | |
| 29. | Bonds, Barry | Chicago Baby Bears | 1.238 | |
| 30. | Bonds, Barry | Way Down Yonder Chatahoochies | 1.238 | |
| 31. | Bonds, Barry | (Bluesig) | Magallañes Bolsheviks | 1.237 |
| 32. | Bonds, Barry | (dynasty) | K-Town Hollywoods | 1.236 |
| 33. | Bonds, Barry | (pamash07) | Portland Drumsticks | 1.235 |
| 34. | Ruth, Babe | (Warrior) | Miami Dolphins | 1.234 |
| 35. | Bonds, Barry | (henrythorn) | Las Vegas Avengers | 1.234 |
| 36. | Bonds, Barry | (michelb3514) | Iowa Corn Pickers | 1.234 |
| 37. | Bonds, Barry | (superheat) | Brooklyn Knights | 1.233 |
| 38. | Bonds, Barry | Way Down Yonder Chatahoochies | 1.233 | |
| 39. | Bonds, Barry | (andrewclovell) | Ithaca Bombers | 1.231 |
| 40. | Bonds, Barry | (gate-mouth) | Humbolt 💰⚾ | 1.229 |
| 41. | Bonds, Barry | (tbone34) | Paris Mets | 1.228 |
| 42. | Bonds, Barry | (Ginkster) | Toledo Stallions | 1.227 |
| 43. | Bonds, Barry | St. Louis Sluggers | 1.227 | |
| 44. | Bonds, Barry | (Coach229) | Utica Post 229 | 1.227 |
| 45. | Bonds, Barry | (andrewclovell) | Ithaca Bombers | 1.227 |
| 46. | Williams, Ted | (filler) | Jackson Hole Red Jackhole's | 1.227 |
| 47. | Bonds, Barry | (wileydog97) | Chicago Red Barons | 1.226 |
| 48. | Bonds, Barry | (captncaveman) | Beantown Bees | 1.225 |
| 49. | Bonds, Barry | (beck) | River City Road Jockeys | 1.224 |
| 50. | Bonds, Barry | (jpcortez) | Cooperstown Poodles | 1.225 |