Favorite Teams leagues are not included in Single-Season records. Records only remain for 10 seasons.
Single-Season Leaders (Hits Allowed)
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. | Morris, Ed | (MLBNation) | Gas City Green Sox | 435 |
| 2. | Overall, Orval | (MLBNation) | Gas City Green Sox | 401 |
| 3. | Baldwin, Lady | (MLBNation) | Gas City Green Sox | 396 |
| 4. | Ford, Russ | (MLBNation) | Gas City Green Sox | 378 |
| 5. | Bender, Chief | (richgibson) | Boston LIBERATORS | 376 |
| 6. | Zettlein, George | (dunroche) | Nevada Racin' Rebels | 375 |
| 7. | Baldwin, Lady | (MLBNation) | Gas City Green Sox | 374 |
| 8. | McBride, Dick | (dunroche) | Nevada Racin' Rebels | 365 |
| 9. | Galvin, Pud | (dynasty) | We're Old | 364 |
| 10. | Blue, Vida | (richgibson) | Boston LIBERATORS | 358 |
| 11. | Scherzer, Max | (Bigredmachine90) | Barboursville Bacon | 354 |
| 12. | deGrom, Jacob | (richgibson) | Boston LIBERATORS | 353 |
| 13. | Derringer, Paul | (Abcjz) | Thafour Horseman | 348 |
| 14. | Keefe, Tim | (MLBNation) | Gas City Green Sox | 345 |
| 15. | Burke, James | (kriff) | Colorado Mountain Lions | 344 |
| 16. | Walsh, Ed | (MLBNation) | Gas City Green Sox | 341 |
| 17. | Strasburg, Stephen | (topps) | Chicago Cub | 340 |
| 18. | Marichal, Juan | (filler) | Nesconset Nasties | 340 |
| 19. | Maddux, Greg | (acr0320) | Harlowton Harvesters | 340 |
| 20. | Burke, James | (BrandonMelton) | PITTSBURGH LUMBER YARD | 340 |
| 21. | Jenkins, Fergie | (toddmkratzer) | Vernon Hills Sox | 340 |
| 22. | Karger, Ed | (dunroche) | Nevada Racin' Rebels | 340 |
| 23. | Lolich, Mickey | Iowa Southpaws | 339 | |
| 24. | Porcello, Rick | (alindy) | Mayberry Bees | 339 |
| 25. | Scott, Mike | (fps1956) | Stinky Bums | 337 |
| 26. | McKeon, Larry | (BrandonMelton) | PITTSBURGH LUMBER YARD | 337 |
| 27. | Coombs, Jack | (MLBNation) | Gas City Green Sox | 337 |
| 28. | Caruthers, Bob | (BrandonMelton) | PITTSBURGH LUMBER YARD | 336 |
| 29. | McCormick, Jim | (dunroche) | Nevada Racin' Rebels | 335 |
| 30. | Bakely, Jersey | (twsmee) | South New Jersey Hunger Force | 335 |
| 31. | Clemens, Roger | (Cubsfan3) | O Street Drunks | 335 |
| 32. | Loaiza, Esteban | (jsirota) | Saskatchewan Bootleggers | 334 |
| 33. | Derringer, Paul | (DJHINFSJ) | Janauba Tigers | 334 |
| 34. | Guidry, Ron | (filler) | Nesconset Nasties | 334 |
| 35. | Sweeney, Bill | (cunnythumber) | Long Beach Tornadoes | 332 |
| 36. | Cummings, Candy | (Nuroc) | Red Barber's Fantasy Precursors | 332 |
| 37. | Buffinton, Charlie | (BrandonMelton) | PITTSBURGH LUMBER YARD | 331 |
| 38. | Emslie, Bob | (DM33) | Silver City Thunder Wolves | 331 |
| 39. | Goldsmith, Fred | (Bears19) | New York Clubbers | 331 |
| 40. | Richmond, Lee | (cunnythumber) | Long Beach Tornadoes | 330 |
| 41. | Atkinson, Al | (Yankees1927) | Buffalo Bulldogs | 330 |
| 42. | Jenkins, Fergie | NY Hokies | 330 | |
| 43. | Taylor, Jack | (paddedroom) | TU CHHS 127 | 330 |
| 44. | Seward, Ed | (MLBNation) | Gas City Green Sox | 330 |
| 45. | Cummings, Candy | (samwhitworth) | West Dakota Slime | 328 |
| 46. | Young, Cy | (dunroche) | Visalia Cubs | 327 |
| 47. | Walsh, Ed | (Consigliere33) | Chicago Cubs | 327 |
| 48. | Burke, James | (allwaysfkedup1) | Galena Gutbucket Gills | 327 |
| 49. | Vaughn, Hippo | (dunroche) | Visalia Cubs | 327 |
| 50. | Roberts, Robin | Florida Panthers | 324 |