Favorite Teams leagues are not included in Single-Season records. Records only remain for 10 seasons.
Single-Season Leaders (Quality%20Starts)
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 | (TMNT740) | Tampa Bay Tigers | 0 |
| 2. | deGrom, Jacob | (filler8) | Louisiana BLUETOOTH | 0 |
| 3. | Koufax, Sandy | (nycubsfan) | Chicago Cubs | 0 |
| 4. | DeLeon, Jose | (TranquilChaos18) | Kitchener Kodiaks | 0 |
| 5. | Sugiuchi, Toshiya | (gibblets1973) | Bally Haly Bay Stars | 0 |
| 6. | deGrom, Jacob | (paranoid) | Las Vegas Scorpions | 0 |
| 7. | Fujimoto, Hideo | (DaveH) | Shochiku Robins | 0 |
| 8. | Maddux, Greg | (chaaad) | New York Magnolia BC | 0 |
| 9. | deGrom, Jacob | (hayzess) | Gilchrist Yellow Jackets | 0 |
| 10. | deGrom, Jacob | (paranoid) | Las Vegas Lasers | 0 |
| 11. | deGrom, Jacob | (gibblets1973) | Brooklyn Bulldogs | 0 |
| 12. | Guidry, Ron | (wduncan) | Panama City Sardines | 0 |
| 13. | deGrom, Jacob | (MikeDrop0221) | Highlander Folk CTr ORGanIZERS | 0 |
| 14. | Johnson, Walter | (filler8) | LITTLE ROCK OUTLAWS | 0 |
| 15. | deGrom, Jacob | (rreebe916) | Boston Bees | 0 |
| 16. | Richard, J.R. | (MikeDrop0221) | Toronto Guardians | 0 |
| 17. | deGrom, Jacob | (jamin) | Chester Springs Menjai | 0 |
| 18. | deGrom, Jacob | (MikeDrop0221) | Base Ball Classics | 0 |
| 19. | Fernandez, Jose | (jeter0296) | Freehold Yankees | 0 |
| 20. | deGrom, Jacob | (paranoid) | Las Vegas Scorpions | 0 |
| 21. | Scherzer, Max | (dynasty8) | New York Metro | 0 |
| 22. | Richard, J.R. | (MikeDrop0221) | Toronto Guardians | 0 |
| 23. | deGrom, Jacob | (Ikej) | New England Bombs | 0 |
| 24. | deGrom, Jacob | (MikeDrop0221) | Base Ball Homers | 0 |
| 25. | deGrom, Jacob | (Mortamar1966) | Ridge Harbor Lead Bellies | 0 |
| 26. | deGrom, Jacob | (Tjm) | Oakland Black Wasps | 0 |
| 27. | Arrieta, Jake | (tgbsbl1967) | Tampa Sharks | 0 |
| 28. | deGrom, Jacob | (chaaad) | Weeksville Unknown | 0 |
| 29. | deGrom, Jacob | (Texashorns2023) | Bay Bolts | 0 |
| 30. | Scherzer, Max | (ironwill1) | Twin Cities Twins | 0 |
| 31. | Nomo, Hideo | (plpl512) | Barcelona Dragons | 0 |
| 32. | deGrom, Jacob | (filler) | Hawaii Eruptions | 0 |
| 33. | deGrom, Jacob | (chaaad) | Newark Peppers | 0 |
| 34. | deGrom, Jacob | (babyave1) | Victory Lakes | 0 |
| 35. | Kluber, Corey | (Tjm) | Fred Flinstoners | 0 |
| 36. | deGrom, Jacob | (WorcWarr) | Worcester Warriors | 0 |
| 37. | Martinez, Pedro | (Robbish) | Middleton Cardinals | 0 |
| 38. | Greinke, Zack | (Consigliere33) | Texas Rangers | 0 |
| 39. | Buchholz, Clay | (Deticdcbus) | Connecticut Whittlers | 0 |
| 40. | Richard, J.R. | (Caphowdy504) | Springfield Troy McClures | 0 |
| 41. | deGrom, Jacob | (fps1956) | Long Island Defenders | 0 |
| 42. | Tiant, Luis | (filler) | Detroit Autos | 0 |
| 43. | deGrom, Jacob | (dcwabdi) | Raleigh Bulldogs | 0 |
| 44. | Vazquez, Javier | (dynasty8) | Staten Island Cougars | 0 |
| 45. | deGrom, Jacob | (richgibson) | Coronado Cannon Fodder | 0 |
| 46. | deGrom, Jacob | (befulton) | ATLANTA DOGS | 0 |
| 47. | Martinez, Pedro | (WorcWarr) | Worcester Warriors | 0 |
| 48. | Richard, J.R. | (rreebe916) | Harrisburg Hornets | 0 |
| 49. | Richard, J.R. | (filler) | Halawa Rangers | 0 |
| 50. | Richard, J.R. | (plpl512) | Montreal Mad Dogs | 0 |
