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 | (Trulaia) | Revenge of Samson | .503 |
| 2. | Bonds, Barry | (Trulaia) | Stockton Stars | .497 |
| 3. | Bonds, Barry | (vonveezil) | San Francisco Giants | .497 |
| 4. | Bonds, Barry | (Trulaia) | Stockton Stars | .491 |
| 5. | Bonds, Barry | (Trulaia) | Revenge of Samson | .490 |
| 6. | Bonds, Barry | (LDJS1947) | NEW YORK WOLVERINES | .489 |
| 7. | Williams, Ted | Four Hossman | .486 | |
| 8. | Bonds, Barry | (BAR23) | Galveston Gators | .485 |
| 9. | Jennings, Hughie | (Shpennymons) | Chesapeake Oysters | .483 |
| 10. | Bonds, Barry | (nycubsfan) | NYC Cubbies | .482 |
| 11. | Bonds, Barry | (Trulaia) | Stockton Stars | .481 |
| 12. | Bonds, Barry | (finalbody) | Glasgow Muff Destroyers | .481 |
| 13. | Bonds, Barry | (JoeyT2870) | ST. LOUIS SUN | .480 |
| 14. | Bonds, Barry | Oshkosh Flyers | .480 | |
| 15. | Bonds, Barry | (Griff) | TAMPA MIGHTY MUSSELS | .479 |
| 16. | Oh, Sadaharu | Long Island Hi Flyers | .479 | |
| 17. | Bonds, Barry | (tgbsbl1967) | St Joe Runaways | .479 |
| 18. | Bonds, Barry | (tgbbirch) | W.Mich Snakes | .478 |
| 19. | Bonds, Barry | (spit_ball44) | Z Town USA Z Rail Cats | .477 |
| 20. | Bonds, Barry | (rreebe916) | Grand INQUISITORS | .477 |
| 21. | Bonds, Barry | (Pop) | North Carolina Breeze | .476 |
| 22. | Bonds, Barry | (filler) | Galveston Megs | .475 |
| 23. | Bonds, Barry | (andyyoung) | Lancaster Jethawks | .475 |
| 24. | Bonds, Barry | (TheVinci) | City Pound Dogs | .475 |
| 25. | Bonds, Barry | (Jackfactor) | JacksonCity Wildcats | .475 |
| 26. | Jennings, Hughie | (Shpennymons) | New York Highlanders | .474 |
| 27. | Bonds, Barry | (Gurg33) | Detroit Dukes | .474 |
| 28. | Bonds, Barry | (BAR23) | Bloomington Blue Bombers | .474 |
| 29. | Bonds, Barry | (befulton) | Southern Dogs | .474 |
| 30. | Bonds, Barry | (jamin) | Chester Springs Menjai | .474 |
| 31. | Bonds, Barry | (bdavids28) | In Fair Light | .474 |
| 32. | Bonds, Barry | (jeter0296) | Freehold Cardinals | .474 |
| 33. | Jennings, Hughie | (Shpennymons) | Coco B-Wares | .473 |
| 34. | Bonds, Barry | (gibblets1973) | Galway Griffins | .472 |
| 35. | Bonds, Barry | (michelb3514) | Iowa Hawkeyes | .472 |
| 36. | Bonds, Barry | (filler8) | Kannapolis Cannon Ballers | .472 |
| 37. | Bonds, Barry | (Trulaia) | Stockton Stars | .471 |
| 38. | Bonds, Barry | (jeter0296) | Freehold Yankees | .471 |
| 39. | Bonds, Barry | (Barr512) | Gulf Coast Maelstroms | .471 |
| 40. | Bonds, Barry | (chaaad) | FCL Yankees | .471 |
| 41. | Bonds, Barry | (Pop) | North Carolina Breeze | .471 |
| 42. | Williams, Ted | (Artinshki) | Base Ball Classics | .471 |
| 43. | Bonds, Barry | (idesofmarch) | Grey Eagles | .470 |
| 44. | Bonds, Barry | Oklahoma Wolves | .470 | |
| 45. | Bonds, Barry | (gibblets1973) | St. Brendan's Blue Jays | .470 |
| 46. | Bonds, Barry | St Joe Knights | .470 | |
| 47. | Bonds, Barry | (Ikej) | Maine Reapers | .470 |
| 48. | Bonds, Barry | (Trulaia) | Revenge of Samson | .470 |
| 49. | McGwire, Mark | (markphip) | Scranton Stranglers | .469 |
| 50. | Bonds, Barry | (befulton) | Long Island Rough Riders | .469 |
