Favorite Teams leagues are not included in Single-Season records. Records only remain for 10 seasons.
Single-Season Leaders (Innings)
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. | McCatty, Steve | (dynasty) | Rome Rodents | 306.0 |
| 2. | Gibson, Bob | (vanderj6993) | Fila Eskimos | 302.2 |
| 3. | Rogers, Steve | (gibblets1973) | El Paso Diablos | 302.0 |
| 4. | Blue, Vida | (Tycobb555555) | Connecticut Colts | 301.2 |
| 5. | Koufax, Sandy | (Vanderj6993) | Fila Eskimos | 301.1 |
| 6. | Gibson, Bob | (Vanderj6993) | Fila Eskimos | 301.0 |
| 7. | Gooden, Dwight | Baltimore Orioles | 300.1 | |
| 8. | Tiant, Luis | (gibblets1973) | Bakersfield Hell's Satans | 300.1 |
| 9. | Sutton, Don | (gibblets1973) | Badger Bulldogs | 300.0 |
| 10. | Rogers, Steve | (gibblets1973) | East End Eagle | 300.0 |
| 11. | Chandler, Spud | Winter Weather | 299.2 | |
| 12. | Walsh, Ed | (filler2) | Louisville Colonels | 299.2 |
| 13. | Walsh, Ed | (Bravesman) | Shreveport Spiders | 299.1 |
| 14. | Walsh, Ed | (salukisam) | Money Pit | 299.0 |
| 15. | Marichal, Juan | (Vanderj6993) | Fila Eskimos | 298.2 |
| 16. | Hecker, Guy | (gibblets1973) | Gander Flyers | 298.0 |
| 17. | McNally, Dave | (Vanderj6993) | Fila Eskimos | 297.1 |
| 18. | Koufax, Sandy | (Vanderj6993) | Fila Eskimos | 297.1 |
| 19. | Sweeney, Charlie | (Bravesman) | Shreveport Spiders | 297.1 |
| 20. | Clemens, Roger | (babyave1) | Noble Knights | 297.0 |
| 21. | Hecker, Guy | (gibblets1973) | Gander Flyers | 297.0 |
| 22. | Gibson, Bob | (Nammerz) | Laguna Niguel SHARKS | 296.2 |
| 23. | McNally, Dave | (Jackfactor) | Fila Eskimos | 296.1 |
| 24. | Johnson, Walter | Hollywood Stars | 296.1 | |
| 25. | Martinez, Pedro | (babyave1) | Boston BigHats | 296.1 |
| 26. | Marichal, Juan | (tjm) | Mighty Ballplayers | 296.0 |
| 27. | Carlton, Steve | (gibblets1973) | Badger Bulldogs | 296.0 |
| 28. | Willoughby, Jim | No way To win | 295.2 | |
| 29. | Blue, Vida | (gibblets1973) | Swift Current NL Swords | 295.2 |
| 30. | Blue, Vida | (filler8) | Balmer Yard Birds | 295.1 |
| 31. | Blue, Vida | (gibblets1973) | Ellston Eagles | 295.1 |
| 32. | Scott, Mike | (gibblets1973) | Paradise Bird | 295.1 |
| 33. | Blue, Vida | (gibblets1973) | Swift Current NL Swords | 295.1 |
| 34. | Gooden, Dwight | (gibblets1973) | Portland Creek Pirates | 295.1 |
| 35. | Alexander, Pete | (Shpennymons) | Puzley Croswerdes | 295.0 |
| 36. | Tiant, Luis | (tjm) | Mighty Ballplayers | 295.0 |
| 37. | Gibson, Bob | (dunroche) | Gotham Giants | 294.2 |
| 38. | Walters, Bucky | (gibblets1973) | Boomtown Broncos | 294.2 |
| 39. | Tiant, Luis | (Vanderj6993) | Fila Eskimos | 294.2 |
| 40. | Gibson, Bob | (vanderj6993) | Fila Eskimos | 294.2 |
| 41. | Gibson, Bob | (Nammerz) | Laguna Niguel SHARKS | 294.2 |
| 42. | Tiant, Luis | (Vanderj6993) | Fila Eskimos | 294.2 |
| 43. | Sutton, Don | (Jefffreyb) | Chittenango Wizards of Oz | 294.1 |
| 44. | Koufax, Sandy | (Vanderj6993) | Fila Eskimos | 294.1 |
| 45. | Tanana, Frank | (gibblets1973) | Virginia Park Vandals | 294.0 |
| 46. | Tiant, Luis | (gibblets1973) | St. John's Saints | 294.0 |
| 47. | Brown, Kevin | (babyave1) | Noble Knights | 293.2 |
| 48. | Seaver, Tom | (gibblets1973) | Swift Current NL Swords | 293.2 |
| 49. | Sutton, Don | (Sabotage) | South Dakota Sabotage | 293.2 |
| 50. | Gibson, Bob | (masimo29) | Brooklyn Robins | 293.2 |