Favorite Teams leagues are not included in Single-Season records. Records only remain for 10 seasons.
Single-Season Leaders (Quality Starts)
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. | Scherzer, Max | (shelley71) | Tampa Bay Deez Nutz | 0 |
| 2. | Koufax, Sandy | (nycubsfan) | Chicago Cubs | 0 |
| 3. | Greinke, Zack | (watcher99) | Burlington Rhino | 0 |
| 4. | DeLeon, Jose | (TranquilChaos18) | Kitchener Kodiaks | 0 |
| 5. | deGrom, Jacob | (filler) | Louisiana BLUETOOTH | 0 |
| 6. | deGrom, Jacob | (rreebe916) | Have You Ever Seen THE RAIN 2 | 0 |
| 7. | Brown, Mordecai | (dynasty8) | Louisville Colonels | 0 |
| 8. | Maddux, Greg | (chaaad) | New York Magnolia BC | 0 |
| 9. | deGrom, Jacob | (richgibson) | Lonely BLUEBOYS | 0 |
| 10. | deGrom, Jacob | (richgibson) | Highlander Folk CTr ORGanIZERS | 0 |
| 11. | deGrom, Jacob | (rawlscl78) | Boston Pointy Butts | 0 |
| 12. | Sugiuchi, Toshiya | (gibblets1973) | Bally Haly Bay Stars | 0 |
| 13. | deGrom, Jacob | (Artinshki) | Base Ball Classics | 0 |
| 14. | deGrom, Jacob | (filler) | Oakland Black Wasps | 0 |
| 15. | Clemens, Roger | (jeter0296) | Freehold Yankees | 0 |
| 16. | deGrom, Jacob | (Mortamar1966) | Ridge Harbor Lead Bellies | 0 |
| 17. | deGrom, Jacob | (jamin) | Chester Springs Menjai | 0 |
| 18. | deGrom, Jacob | (timnara1) | North Carolina American Proud | 0 |
| 19. | deGrom, Jacob | (hayzess) | Gilchrist Yellow Jackets | 0 |
| 20. | deGrom, Jacob | (gibblets1973) | Brooklyn Bulldogs | 0 |
| 21. | Fujimoto, Hideo | (DaveH) | Shochiku Robins | 0 |
| 22. | Guidry, Ron | (wduncan) | Panama City Sardines | 0 |
| 23. | deGrom, Jacob | (Ikej) | New England Bombs | 0 |
| 24. | deGrom, Jacob | (rreebe916) | Base Ball Homers | 0 |
| 25. | Richard, J.R. | (rreebe916) | Toronto Guardians | 0 |
| 26. | Richard, J.R. | (rreebe916) | Toronto Guardians | 0 |
| 27. | deGrom, Jacob | (Artinshki) | Base Ball Classics | 0 |
| 28. | Scherzer, Max | (shelley71) | New York Foreskins | 0 |
| 29. | Johnson, Walter | (filler8) | LITTLE ROCK OUTLAWS | 0 |
| 30. | Fernandez, Jose | (jeter0296) | Freehold Yankees | 0 |
| 31. | Richard, J.R. | (chaaad) | New York Highlanders | 0 |
| 32. | Koufax, Sandy | (filler8) | LITTLE ROCK OUTLAWS | 0 |
| 33. | Burnes, Corbin | (gpsman) | Detroit Tigers | 0 |
| 34. | Richard, J.R. | (WorcWarr) | Worcester Warriors | 0 |
| 35. | Tiant, Luis | (dynasty8) | SNK Crushers | 0 |
| 36. | Kershaw, Clayton | (Mrploppie) | Las Vegas Pit Bosses | 0 |
| 37. | deGrom, Jacob | (WorcWarr) | Worcester Warriors | 0 |
| 38. | Ryan, Nolan | (ThEiRoNhOrSe04) | Town Ball Townies | 0 |
| 39. | Cole, Gerrit | (danmcvay1) | PBC Pirates | 0 |
| 40. | Romero, Ricky | (jeter0296) | Freehold Woodpeckers | 0 |
| 41. | Cole, Gerrit | (BAR23) | Bulltimore Bullwinkles | 0 |
| 42. | deGrom, Jacob | (TheDean57) | Atlanta Braves | 0 |
| 43. | Richard, J.R. | (plpl512) | Montreal Mad Dogs | 0 |
| 44. | Arrieta, Jake | (Tgbsbl1967) | New Market Mallers | 0 |
| 45. | Tiant, Luis | (Mortamar1966) | Whisper City Gravel Diggers | 0 |
| 46. | Yoshimi, Kazuki | (cjames17) | Naha Sensos | 0 |
| 47. | Koufax, Sandy | (stonemob) | Pittsburgh Explorers | 0 |
| 48. | Verlander, Justin | (danmcvay1) | Philadelphia Athletics | 0 |
| 49. | Richard, J.R. | (filler) | Halawa Rangers | 0 |
| 50. | Kluber, Corey | (Mortamar1966) | Kansas City Monarchs | 0 |
