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. | Ford, Russ | (SoggyBiscuit) | Gas City Green Sox | 347.2 |
| 2. | Walsh, Ed | (SoggyBiscuit) | Gas City Green Sox | 336.2 |
| 3. | Baldwin, Lady | (SoggyBiscuit) | Gas City Green Sox | 335.1 |
| 4. | Morris, Ed | (SoggyBiscuit) | Gas City Green Sox | 318.2 |
| 5. | Baldwin, Lady | (SoggyBiscuit) | Gas City Green Sox | 313.2 |
| 6. | Seward, Ed | (SoggyBiscuit) | Gas City Green Sox | 310.1 |
| 7. | Koufax, Sandy | (gibblets1973) | St. John's Saints | 305.2 |
| 8. | Gibson, Bob | (Shashank) | Cuyahoga Rock n Rollers | 305.0 |
| 9. | Walsh, Ed | (Fungoking) | PHILADELPHIA STATESMEN | 303.2 |
| 10. | Blue, Vida | (kingstreet) | Singapore Slingers | 303.2 |
| 11. | Keefe, Tim | (SoggyBiscuit) | Gas City Green Sox | 303.1 |
| 12. | Sutton, Don | (kingstreet) | Singapore Express | 303.1 |
| 13. | Buffinton, Charlie | (dzach) | Hazleton Pneumoconiosis | 302.1 |
| 14. | Johnson, Walter | (gibblets1973) | Los Gibbletos 1ne | 302.0 |
| 15. | Vance, Dazzy | (Bears19) | Parkersburg Bulls | 302.0 |
| 16. | Sutton, Don | (Majestic44) | Bronx Bombers | 301.2 |
| 17. | Drysdale, Don | (ClassicOs) | Baltimore Orioles | 301.1 |
| 18. | Drysdale, Don | (ClassicOs) | Baltimore Orioles | 300.2 |
| 19. | Koufax, Sandy | (GusPC13) | Edmonton North Stars | 300.2 |
| 20. | Pfiester, Jack | (mikbbal) | Parfittown Miners | 299.2 |
| 21. | Perry, Gaylord | (kingstreet) | Singapore Slingers | 299.2 |
| 22. | Gibson, Bob | (aszvaszvrvarszv) | Brookings Harbor DirtBags | 299.2 |
| 23. | Johnson, Walter | (SoggyBiscuit) | Gas City Green Sox | 299.1 |
| 24. | Clemens, Roger | (Donnie23) | Deadwood Hoople Heads | 299.1 |
| 25. | Overall, Orval | (SoggyBiscuit) | Gas City Green Sox | 299.0 |
| 26. | Walsh, Ed | (bishop427) | Columbus Gamecocks | 298.2 |
| 27. | Sweeney, Charlie | (Shpennymons) | Puzley Croswerdes | 298.2 |
| 28. | Walsh, Ed | (kingstreet) | Singapore Slingers | 298.2 |
| 29. | Ford, Russ | (michelb3514) | Iowa Corn Pickers | 298.1 |
| 30. | Walsh, Ed | (Fungoking) | Pittsfield Dutchmen | 298.1 |
| 31. | Walsh, Ed | (kingstreet) | Singapore Slingers | 298.0 |
| 32. | Radbourn, Charley | (stonemob) | Portland Predators | 298.0 |
| 33. | Marichal, Juan | (Wolfpack80) | Lex Vegas Wildcats | 298.0 |
| 34. | Perry, Gaylord | (kingstreet) | Singapore Slingers | 298.0 |
| 35. | Boyle, Henry | (dunroche) | Visalia Cubs | 297.2 |
| 36. | Johnson, Walter | (czierk) | Hoboken Hobos | 297.2 |
| 37. | Walsh, Ed | (Ozzieball) | Chicago Deadheads | 297.2 |
| 38. | Marichal, Juan | (ClassicOs) | Baltimore Orioles | 297.2 |
| 39. | Marichal, Juan | (TonyKaminski) | Galena Bulldogs | 297.0 |
| 40. | Keefe, Tim | Medical Marijuana | 297.0 | |
| 41. | Mathewson, Christy | (Shpennymons) | Patankin Peelers | 297.0 |
| 42. | Tudor, John | (befulton) | Savannah Storm | 296.2 |
| 43. | Marichal, Juan | (Iamcota) | Londonderry LIzard Kings | 296.2 |
| 44. | Wilson, Don | (cardchris36) | Baltimore Orioles | 296.2 |
| 45. | Martinez, Pedro | (kingstreet) | Singapore Slingers | 296.2 |
| 46. | Kluber, Corey | (drh4740) | Portland Frogs | 296.1 |
| 47. | Walsh, Ed | (mrfantasy) | Beloit Snappers | 296.0 |
| 48. | Hecker, Guy | (Fungoking) | PHILADELPHIA STATESMEN | 296.0 |
| 49. | Schmidt, Jason | (Slippingjimmy) | Chittenango Diamonds | 296.0 |
| 50. | Gura, Larry | (Ragingsol) | Madagascar Mostly Nubile | 296.0 |