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. | DeLeon, Jose | (TranquilChaos18) | Kitchener Kodiaks | 0 |
| 2. | deGrom, Jacob | (michelb3514) | Iowa Corn Pickers | 0 |
| 3. | Scherzer, Max | (BAR23) | Bluemington Jays | 0 |
| 4. | deGrom, Jacob | Louisiana BLUETOOTH | 0 | |
| 5. | deGrom, Jacob | (FJS) | Dark Roast Coffee Beans | 0 |
| 6. | Koufax, Sandy | (nycubsfan) | Chicago Cubs | 0 |
| 7. | deGrom, Jacob | (hayzess) | Gilchrist Yellow Jackets | 0 |
| 8. | deGrom, Jacob | (paranoid) | Las Vegas Lasers | 0 |
| 9. | deGrom, Jacob | (richgibson) | Highlander Folk CTr ORGanIZERS | 0 |
| 10. | deGrom, Jacob | (theo_smith) | Milwaukee Mustangs | 0 |
| 11. | Richard, J.R. | (ThEiRoNhOrSe04) | Chittenango Wizards of Oz | 0 |
| 12. | Fujimoto, Hideo | (DaveH) | Shochiku Robins | 0 |
| 13. | Richard, J.R. | (maharacer) | Farallon Whites | 0 |
| 14. | deGrom, Jacob | (gibblets1973) | Brooklyn Bulldogs | 0 |
| 15. | Guidry, Ron | (wduncan) | Panama City Sardines | 0 |
| 16. | deGrom, Jacob | (Tjm) | Oakland Black Wasps | 0 |
| 17. | deGrom, Jacob | (Artinshki) | Base Ball Classics | 0 |
| 18. | deGrom, Jacob | (rreebe916) | PP Piggies | 0 |
| 19. | Maddux, Greg | (jericho2u) | Dixie Boy Happy Toyz | 0 |
| 20. | Maddux, Greg | (chaaad) | New York Magnolia BC | 0 |
| 21. | Richard, J.R. | (ThEiRoNhOrSe04) | Chittenango Wizards of Oz | 0 |
| 22. | deGrom, Jacob | (rreebe916) | Boston Bees | 0 |
| 23. | Ryan, Nolan | (gpsman) | San Diego Suns | 0 |
| 24. | deGrom, Jacob | (richgibson) | MLB FIXERS | 0 |
| 25. | Sugiuchi, Toshiya | (gibblets1973) | Bally Haly Bay Stars | 0 |
| 26. | deGrom, Jacob | (paranoid) | Las Vegas Scorpions | 0 |
| 27. | deGrom, Jacob | (paranoid) | Las Vegas Scorpions | 0 |
| 28. | Scherzer, Max | (iceman18) | New York Metro | 0 |
| 29. | Johnson, Walter | (filler) | Las Vegas Gamblers | 0 |
| 30. | Fernandez, Jose | (jeter0296) | Freehold Yankees | 0 |
| 31. | Richard, J.R. | (brmfan) | Halawa Rangers | 0 |
| 32. | Koufax, Sandy | (filler) | Las Vegas Gamblers | 0 |
| 33. | deGrom, Jacob | (WorcWarr) | Worcester Warriors | 0 |
| 34. | Kershaw, Clayton | (dynasty) | Big Black Dogs | 0 |
| 35. | Clemens, Roger | Sidney Sting | 0 | |
| 36. | Hernandez, Felix | Sidney Sting | 0 | |
| 37. | Ryan, Nolan | (jericho2u) | Discovery Harbour Dirty Deeds | 0 |
| 38. | Cole, Gerrit | (danmcvay1) | PBC Pirates | 0 |
| 39. | Romero, Ricky | (jeter0296) | Freehold Woodpeckers | 0 |
| 40. | Verlander, Justin | (filler) | Raleigh Tornados | 0 |
| 41. | McNally, Dave | (Vanderj6993) | Fila Eskimos | 0 |
| 42. | deGrom, Jacob | (Kaline65) | Royal Hill Lions | 0 |
| 43. | deGrom, Jacob | (TheDean57) | Atlanta Braves | 0 |
| 44. | Martinez, Pedro | (Robbish) | Middleton Cardinals | 0 |
| 45. | Greinke, Zack | (Consigliere33) | Texas Rangers | 0 |
| 46. | Richard, J.R. | (Cg4177) | Sumptown Suns | 0 |
| 47. | Fernandez, Sid | (WorcWarr) | Worcester Warriors | 0 |
| 48. | Martinez, Pedro | (WorcWarr) | Worcester Warriors | 0 |
| 49. | Martinez, Pedro | (mattholland1975) | Homestead Smokestacks | 0 |
| 50. | Buchholz, Clay | Connecticut Whittlers | 0 |
