Favorite Teams leagues are not included in Single-Season records. Records only remain for 10 seasons.
Single-Season Leaders (On Base)
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 | (filler) | Dallas Mustangs | .517 |
| 2. | Bonds, Barry | (Trulaia) | Revenge of Samson | .503 |
| 3. | Bonds, Barry | (Trulaia) | Stockton Stars | .497 |
| 4. | Bonds, Barry | (Trulaia) | Stockton Stars | .497 |
| 5. | Bonds, Barry | (Mortamar1966) | Kansas City Monarchs | .497 |
| 6. | Bonds, Barry | (filler) | Chicago Reapers | .491 |
| 7. | Bonds, Barry | (Trulaia) | Revenge of Samson | .491 |
| 8. | Bonds, Barry | (Trulaia) | Stockton Stars | .491 |
| 9. | Bonds, Barry | (Trulaia) | Revenge of Samson | .490 |
| 10. | Bonds, Barry | (Wileydog97) | Raleigh Bashers | .489 |
| 11. | Bonds, Barry | (Trilling) | LA Tanks | .487 |
| 12. | Bonds, Barry | (walle-2) | Kansas Grasshoppers | .487 |
| 13. | Williams, Ted | Kansas Grasshoppers | .486 | |
| 14. | Bonds, Barry | (filler) | Dallas Mustangs | .485 |
| 15. | Jennings, Hughie | (Shpennymons) | Chesapeake Oysters | .483 |
| 16. | Bonds, Barry | (nycubsfan) | NYC Cubbies | .482 |
| 17. | Bonds, Barry | (Trulaia) | Stockton Stars | .481 |
| 18. | Bonds, Barry | (jcvlach) | Chicago Dawgz | .481 |
| 19. | Bonds, Barry | (Buckleyrm) | Nantucket Nationals | .480 |
| 20. | Bonds, Barry | (bdavids28) | Escape Is At Hand | .479 |
| 21. | Bonds, Barry | (KOOGS) | San Antonio Patriots | .479 |
| 22. | Oh, Sadaharu | (finalbody) | Texas Outlaws | .479 |
| 23. | Bonds, Barry | (richp) | Nevada Snakes | .479 |
| 24. | Bonds, Barry | (dynasty) | Sacramento Lions | .478 |
| 25. | Bonds, Barry | (Trulaia) | Stockton Stars | .478 |
| 26. | Bonds, Barry | (filler) | Pittsburgh Plunder | .477 |
| 27. | Bonds, Barry | (Trilling) | LA Tanks | .477 |
| 28. | Bonds, Barry | (Artinshki) | Base Ball Bambinos | .477 |
| 29. | Bonds, Barry | (Pop) | North Carolina Breeze | .476 |
| 30. | Bonds, Barry | (IronLung) | Schenectady TuffNutts | .476 |
| 31. | Bonds, Barry | (filler) | Iowa Pigs | .475 |
| 32. | Bonds, Barry | (andyyoung) | Lancaster Jethawks | .475 |
| 33. | Bonds, Barry | (thadjhall) | Manhattan Darts QD1 | .475 |
| 34. | Bonds, Barry | (Trulaia) | Stockton Stars | .475 |
| 35. | Giambi, Jason | (Trulaia) | Reno Steers | .474 |
| 36. | Jennings, Hughie | (Shpennymons) | New York Highlanders | .474 |
| 37. | Bonds, Barry | (filler) | Atlanta Gorillas | .474 |
| 38. | Bonds, Barry | (dynasty8) | Boston Bees | .474 |
| 39. | Bonds, Barry | (filler8) | Chicago Reapers | .474 |
| 40. | Bonds, Barry | (jamin) | Chester Springs Menjai | .474 |
| 41. | Bonds, Barry | (dynasty) | New Jersey Devils | .474 |
| 42. | Jennings, Hughie | (andyyoung) | Lancaster Jethawks | .474 |
| 43. | Bonds, Barry | (jeter0296) | Freehold Cardinals | .474 |
| 44. | Jennings, Hughie | (ChasBo) | NOLA Irish | .473 |
| 45. | Bonds, Barry | (gibblets1973) | Galway Griffins | .472 |
| 46. | Bonds, Barry | (michelb3514) | Iowa Hawkeyes | .472 |
| 47. | Bonds, Barry | (Mortamar1966) | Kansas City Monarchs | .472 |
| 48. | Bonds, Barry | (Trulaia) | Stockton Stars | .471 |
| 49. | Bonds, Barry | (jeter0296) | Freehold Yankees | .471 |
| 50. | Bonds, Barry | (Griff) | Iowa BarnBurners | .471 |
