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. | Tiant, Luis | (tgbbirch) | Dodge City Pigmen | 0 |
| 2. | Verlander, Justin | (super) | Fargo Freeze | 0 |
| 3. | Johnson, Walter | (dshearer) | Kingston Cobras | 0 |
| 4. | Ford, Russ | (Catefigcas) | Rhode Island Hats | 0 |
| 5. | Walsh, Ed | (sheikyerboudi) | New York Knights | 0 |
| 6. | Koufax, Sandy | (billyconn) | Florida Keys | 0 |
| 7. | Tiant, Luis | (rfb60609) | Yokumtown Yaks | 0 |
| 8. | Millwood, Kevin | (ClassicOs) | Baltimore Orioles | 0 |
| 9. | Arrieta, Jake | (iceman18) | New York Mets | 0 |
| 10. | Johnson, Walter | (Robhawkva) | Roanoke Renegades | 0 |
| 11. | Grove, Lefty | (Son_of_Soul) | Surprise Arizona Partiers | 0 |
| 12. | Koufax, Sandy | (baseball4ever) | Elephant Walk | 0 |
| 13. | Gooden, Dwight | (plpl512) | Beeville Evil Clowns | 0 |
| 14. | Scott, Mike | (Bears19) | Chittenango Diamonds | 0 |
| 15. | Leonard, Dutch | (dunroche) | Visalia Cubs | 0 |
| 16. | Verlander, Justin | (Gate-mouth) | Humbolt 💰⚾ | 0 |
| 17. | Kershaw, Clayton | (dunroche) | Washington Racin' Stars | 0 |
| 18. | Cole, Gerrit | (RitzCards2) | Saddam's WMDs 9 | 0 |
| 19. | Scherzer, Max | Woodland Big Dogs | 0 | |
| 20. | Tiant, Luis | (RegularDog) | EastBay Eagles | 0 |
| 21. | Tiant, Luis | (gumsmurphy) | Slidell Blue Crabs | 0 |
| 22. | Verlander, Justin | (Soccerstar832) | Chicago's Lost Cubs | 0 |
| 23. | Grove, Lefty | (timyoung) | Savannah Sand Gnats | 0 |
| 24. | Scott, Mike | (chaaad) | Brooklyn Gladiators | 0 |
| 25. | Verlander, Justin | (chaaad) | Brooklyn Excelsiors | 0 |
| 26. | Richard, J.R. | (gate-mouth) | Humbolt 💰⚾ | 0 |
| 27. | McNally, Dave | (ClassicOs) | Baltimore Orioles | 0 |
| 28. | Sale, Chris | (SlippedJames) | W'boro Camels | 0 |
| 29. | Seaver, Tom | (baseball4ever) | Big Jake McCandles | 0 |
| 30. | Maddux, Greg | (bfstevens) | Iron City Pounders | 0 |
| 31. | Hunter, Catfish | (Sdwriter) | Dakota Farmers | 0 |
| 32. | Arrieta, Jake | (dunroche) | San Diego Suns | 0 |
| 33. | Verlander, Justin | (tgbbirch) | Quincy Low Riders | 0 |
| 34. | Bauer, Trevor | (ClassicOs) | Baltimore Orioles | 0 |
| 35. | Richard, J.R. | (Mranastasia) | The Sexiest Man Alive | 0 |
| 36. | Cole, Gerrit | (ClassicOs) | Baltimore Orioles | 0 |
| 37. | Walsh, Ed | (itchy008) | Dead Players | 0 |
| 38. | Martinez, Pedro | (GusPC13) | Hamilton Dukes | 0 |
| 39. | Martinez, Pedro | (kingstreet) | Singapore Slingers | 0 |
| 40. | Leonard, Dutch | (Bears19) | Mexicali Banditos | 0 |
| 41. | Leonard, Dutch | (billyconn) | Sunshine Golden Rays | 0 |
| 42. | Johnson, Walter | (baseball4ever) | Panama Canal Builders | 0 |
| 43. | Martinez, Pedro | (WorcWarr) | Worcester Warriors | 0 |
| 44. | Martinez, Pedro | (porkchop9) | Dark Force | 0 |
| 45. | Farrell, Turk | (montanajack) | Millennium Falcons | 0 |
| 46. | Blue, Vida | (baseball4ever) | Watergate Burglars | 0 |
| 47. | Ryan, Nolan | (montgomerybrews) | Montgomery Brewsters | 0 |
| 48. | Richard, J.R. | (sheikyerboudi) | Mojave Desert Rocket Dogs | 0 |
| 49. | Scherzer, Max | (BaltimoreChop) | Baltimore Bombers | 0 |
| 50. | Ryan, Nolan | (kingstreet) | Singapore Straits Tigers | 0 |