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 | Branch County Basher's | 0 | |
| 2. | Brown, Mordecai | (Twister2020) | Cedar Rapids Whitecaps | 0 |
| 3. | Arrieta, Jake | (nycubsfan) | Jackson Heights Knights | 0 |
| 4. | Blue, Vida | (kingstreet) | Singapore Slingers | 0 |
| 5. | Sutton, Don | (baseball4ever) | Watergate Burglars | 0 |
| 6. | Fernandez, Jose | (htennis) | Robin Ellacott Cormoran Strike | 0 |
| 7. | Verlander, Justin | Deephaven Devils | 0 | |
| 8. | Tiant, Luis | (sumo6901) | Marion Mtn Cloggers | 0 |
| 9. | Martinez, Pedro | (dunroche) | Nevada Racin' Rebels | 0 |
| 10. | deGrom, Jacob | (toc22) | Roanoke Renegades | 0 |
| 11. | Koufax, Sandy | (drewahearn3) | Florida Keys | 0 |
| 12. | Tiant, Luis | (rfb60609) | Yokumtown Yaks | 0 |
| 13. | Verlander, Justin | (super) | Fargo Freeze | 0 |
| 14. | Seaver, Tom | (Wolfpack80) | Baltimore Eagles | 0 |
| 15. | Greinke, Zack | (plpl512) | Ottawa Black Cats | 0 |
| 16. | Tiant, Luis | (Cubbies1233) | Seattle Scooters | 0 |
| 17. | Tanana, Frank | Whyso Defensive | 0 | |
| 18. | Cole, Gerrit | (SlippedJames) | Uptown Tongue Punch | 0 |
| 19. | Martinez, Pedro | (Gaberino) | Death Valley Demons | 0 |
| 20. | Carlton, Steve | Electric Mayhem | 0 | |
| 21. | Verlander, Justin | (Gate-mouth) | Humbolt 💰⚾ | 0 |
| 22. | Walsh, Ed | (Fungoking) | New York Knights | 0 |
| 23. | Martinez, Pedro | (nycubsfan) | Htown Skeeters | 0 |
| 24. | Greinke, Zack | (dunroche) | San Diego Conquistadors | 0 |
| 25. | Johnson, Walter | (dshearer) | Kingston Cobras | 0 |
| 26. | Koufax, Sandy | (baseball4ever) | Elephant Walk | 0 |
| 27. | Tiant, Luis | (grantmoyer) | Hershey Highwaymen | 0 |
| 28. | Scott, Mike | (dunroche) | Cleveland Indians | 0 |
| 29. | Johnson, Walter | Moncton Rockets | 0 | |
| 30. | Scherzer, Max | (Sidneypointers) | Allerton Aces | 0 |
| 31. | Cole, Gerrit | (filler) | Miami Rouges | 0 |
| 32. | Ryan, Nolan | (zmessler) | Orlando Orcas | 0 |
| 33. | Beachy, Brandon | (htennis) | Robin Ellacott Cormoran Strike | 0 |
| 34. | Hudson, Daniel | (warrior) | Reno Roughriders | 0 |
| 35. | Greinke, Zack | (Artinshki) | Random Year Rhubarbs | 0 |
| 36. | Gooden, Dwight | (montgomerybrews) | Montgomery Brewsters | 0 |
| 37. | Singer, Bill | Bedrock Bashers | 0 | |
| 38. | Gooden, Dwight | Beeville Evil Clowns | 0 | |
| 39. | Scott, Mike | San Francisco Admirals | 0 | |
| 40. | Flaherty, Jack | (filler) | Yukon River Moose | 0 |
| 41. | Blue, Vida | (baseball4ever) | Kotter's Sweathogs | 0 |
| 42. | Ray, Robbie | (gibblets1973) | C.B.S. Sailors | 0 |
| 43. | Richard, J.R. | (will_L) | New York Empires | 0 |
| 44. | Arrieta, Jake | (jeter0296) | Freehold Cardinals | 0 |
| 45. | Scherzer, Max | (Sparky) | Cape Cod Bluefish ⚾ | 0 |
| 46. | Leonard, Dutch | Visalia Cubs | 0 | |
| 47. | Grove, Lefty | (MetsNick20) | Surprise Arizona Mets | 0 |
| 48. | Alexander, Pete | (gt049) | San Francisco Gunslingers | 0 |
| 49. | Kershaw, Clayton | (dunroche) | Washington Racin' Stars | 0 |
| 50. | Scherzer, Max | (kingstreet) | Singapore Slingers | 0 |