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. | Greinke, Zack | (watcher99) | Burlington Rhino | 0 |
| 2. | Scherzer, Max | (shelley71) | Tampa Bay Deez Nutz | 0 |
| 3. | deGrom, Jacob | (Ask12be1) | Atlantic City HITMAN | 0 |
| 4. | deGrom, Jacob | (rreebe916) | Have You Ever Seen THE RAIN 2 | 0 |
| 5. | Koufax, Sandy | (nycubsfan) | Chicago Cubs | 0 |
| 6. | DeLeon, Jose | (TranquilChaos18) | Kitchener Kodiaks | 0 |
| 7. | Brown, Mordecai | Louisville Colonel’s Klink | 0 | |
| 8. | Sugiuchi, Toshiya | (gibblets1973) | Bally Haly Bay Stars | 0 |
| 9. | deGrom, Jacob | (dynasty8) | Boston Beeees | 0 |
| 10. | Fernandez, Jose | (jeter0296) | Freehold Yankees | 0 |
| 11. | deGrom, Jacob | (kevinrice) | North Carolina American Proud | 0 |
| 12. | deGrom, Jacob | (hayzess) | Gilchrist Yellow Jackets | 0 |
| 13. | deGrom, Jacob | (gibblets1973) | Brooklyn Bulldogs | 0 |
| 14. | Guidry, Ron | (wduncan) | Panama City Sardines | 0 |
| 15. | Richard, J.R. | (rreebe916) | Toronto Guardians | 0 |
| 16. | deGrom, Jacob | (Mortamar1966) | Ridge Harbor Lead Bellies | 0 |
| 17. | deGrom, Jacob | (jamin) | Chester Springs Menjai | 0 |
| 18. | deGrom, Jacob | (richgibson) | Lonely BLUEBOYS | 0 |
| 19. | deGrom, Jacob | (filler) | Oakland Black Wasps | 0 |
| 20. | Johnson, Walter | (filler) | LITTLE ROCK OUTLAWS | 0 |
| 21. | Clemens, Roger | (jeter0296) | Freehold Yankees | 0 |
| 22. | deGrom, Jacob | (Batista) | Boston Pointy Butts | 0 |
| 23. | deGrom, Jacob | (Ikej) | New England Bombs | 0 |
| 24. | deGrom, Jacob | (dynasty8) | Boston Beeees | 0 |
| 25. | Scherzer, Max | (BAR23) | New York Bombas | 0 |
| 26. | Maddux, Greg | (chaaad) | New York Magnolia BC | 0 |
| 27. | Fujimoto, Hideo | (DaveH) | Shochiku Robins | 0 |
| 28. | deGrom, Jacob | (richgibson) | Highlander Folk CTr ORGanIZERS | 0 |
| 29. | deGrom, Jacob | (rreebe916) | Base Ball Homers | 0 |
| 30. | Richard, J.R. | (rreebe916) | Toronto Guardians | 0 |
| 31. | deGrom, Jacob | (chaaad) | Wagner Seahawks | 0 |
| 32. | Martinez, Pedro | (wduncan) | Little Rock Tigers | 0 |
| 33. | Ryan, Nolan | (GlansGruber) | Springfield Isotopes | 0 |
| 34. | Scherzer, Max | (ThEiRoNhOrSe04) | Iowa Fighting Pigs | 0 |
| 35. | deGrom, Jacob | (markphip) | Manhattan Diplomats | 0 |
| 36. | deGrom, Jacob | (Theguth) | Ebby Calvin Nuke Lalooshes | 0 |
| 37. | Leonard, Dennis | (teamkev24) | Clockwork Oranges | 0 |
| 38. | deGrom, Jacob | (richgibson) | Coronado Cannon Fodder | 0 |
| 39. | deGrom, Jacob | (befulton) | ATLANTA DOGS | 0 |
| 40. | Martinez, Pedro | (WorcWarr) | Worcester Warriors | 0 |
| 41. | Richard, J.R. | (athlete4) | Uniontown Brown | 0 |
| 42. | deGrom, Jacob | (hayzess) | Mudville NINE | 0 |
| 43. | Richard, J.R. | (bdavids28) | Shake Hands With Danger | 0 |
| 44. | deGrom, Jacob | (Caphowdy504) | Opelousas Fighting Orange | 0 |
| 45. | Richard, J.R. | (rawlscl78) | Boston Bees | 0 |
| 46. | deGrom, Jacob | (filler) | RALEIGH COLONELS | 0 |
| 47. | deGrom, Jacob | (Artinshki) | Base Ball Homers | 0 |
| 48. | deGrom, Jacob | (WorcWarr) | Worcester Warriors | 0 |
| 49. | deGrom, Jacob | (stonemob) | Pittsburgh Patriots | 0 |
| 50. | Scherzer, Max | (dcwabdi) | Twin Cities Americans | 0 |
