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 | (SoggyBiscuit) | Gas City Green Sox | 435 |
| 2. | Overall, Orval | (SoggyBiscuit) | Gas City Green Sox | 401 |
| 3. | Baldwin, Lady | (SoggyBiscuit) | Gas City Green Sox | 396 |
| 4. | Ford, Russ | (SoggyBiscuit) | Gas City Green Sox | 378 |
| 5. | Bender, Chief | (jjfid66) | Boston LIBERATORS | 376 |
| 6. | Baldwin, Lady | (SoggyBiscuit) | Gas City Green Sox | 374 |
| 7. | McBride, Dick | (fuzzbox13) | Nevada Racin' Rebels | 365 |
| 8. | Galvin, Pud | (filler) | Licey Tigres | 364 |
| 9. | Blue, Vida | (jjfid66) | Boston LIBERATORS | 358 |
| 10. | Scherzer, Max | (Bigredmachine90) | Barboursville Bacon | 354 |
| 11. | deGrom, Jacob | (jjfid66) | Boston LIBERATORS | 353 |
| 12. | Koufax, Sandy | (dynasty) | Florida Panthers | 352 |
| 13. | Pascual, Camilo | (dynasty) | Florida Panthers | 352 |
| 14. | Keefe, Tim | (SoggyBiscuit) | Gas City Green Sox | 345 |
| 15. | Walsh, Ed | (SoggyBiscuit) | Gas City Green Sox | 341 |
| 16. | Driscoll, Denny | (oldschoolers) | Galena Gutbucket Gills | 341 |
| 17. | Strasburg, Stephen | (Trulaia) | Point Defiance Tiger | 340 |
| 18. | Marichal, Juan | (filler) | Nesconset Nasties | 340 |
| 19. | Maddux, Greg | (jmtores) | BB hush | 340 |
| 20. | Lolich, Mickey | (mintwinsfan) | Iowa Southpaws | 339 |
| 21. | Coombs, Jack | (SoggyBiscuit) | Gas City Green Sox | 337 |
| 22. | Scott, Mike | (fps1956) | Stinky Bums | 337 |
| 23. | Clemens, Roger | (WorcWarr) | Worcester Warriors | 335 |
| 24. | Loaiza, Esteban | (LimitedSwish) | Saskatchewan Bootleggers | 334 |
| 25. | Derringer, Paul | (Lildeve314) | Janauba Tigers | 334 |
| 26. | Guidry, Ron | (filler) | Nesconset Nasties | 334 |
| 27. | Cicotte, Eddie | Fresno ChopShopin Reds | 332 | |
| 28. | Cummings, Candy | (Donolson) | Red Barber's Fantasy Precursors | 332 |
| 29. | Goldsmith, Fred | (filler) | New York Clubbers | 331 |
| 30. | Emslie, Bob | (RPSTennis21) | Bayside Tigers | 331 |
| 31. | Seward, Ed | (SoggyBiscuit) | Gas City Green Sox | 330 |
| 32. | Atkinson, Al | (Sabotage) | Buffalo Sabotage Dogs | 330 |
| 33. | Jenkins, Fergie | (Majestic44) | Jacksonville Jets | 330 |
| 34. | Bunker, Wally | (dynasty) | Florida Panthers | 330 |
| 35. | Ehret, Red | (dynasty) | Los Alamos Isotopes | 329 |
| 36. | Langford, Rick | California Qubits | 329 | |
| 37. | Chance, Dean | (Searcy) | Oklahoma Barons | 327 |
| 38. | Driscoll, Denny | (CubanLou) | Deadball Cubans | 327 |
| 39. | Vaughn, Hippo | (dunroche) | Visalia Cubs | 327 |
| 40. | Walsh, Ed | (Consigliere33) | Chicago Cubs | 327 |
| 41. | Young, Cy | (dunroche) | Visalia Cubs | 327 |
| 42. | Ehret, Red | (fuzzbox13) | Atlanta Survivors | 325 |
| 43. | Caruthers, Bob | (Consigliere33) | Chicago Outfit | 324 |
| 44. | Rijo, Jose | (jmtores) | BB hush | 324 |
| 45. | Glavine, Tom | (doceagle) | Frederick Keys | 323 |
| 46. | Galvin, Pud | (dynasty) | Chicago Federals | 323 |
| 47. | Larkin, Terry | (ricksrookies) | Ricks Simulators | 321 |
| 48. | McBride, Dick | (dynasty) | New York Mets | 320 |
| 49. | Hendrix, Claude | (Littlereb) | Jacksonville Jay Birds | 320 |
| 50. | McQuillan, George | (Littlereb) | Jacksonville Jay Birds | 320 |