Favorite Teams leagues are not included in Single-Season records. Records only remain for 10 seasons.
Single-Season Leaders (Wins)
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. | Green, Chad | (tda81) | The Dangerous Alliance | 39 |
| 2. | Lugo, Seth | (habsco) | Frisco Crabs | 39 |
| 3. | Soria, Joakim | (habsco) | Tampa Terror | 38 |
| 4. | Gallegos, Giovanny | (habsco) | Laurel Billings Bees | 37 |
| 5. | Pagan, Emilio | (habsco) | PT Giants | 36 |
| 6. | Hader, Josh | (Zigwiggity) | West Michigan Whitecaps | 36 |
| 7. | Pagan, Emilio | (habsco) | Grand Forks Piggly Wigglys | 35 |
| 8. | Garcia, Yimi | (NUWildcats) | Bartonsville Pumas | 35 |
| 9. | Treinen, Blake | (habsco) | Tampa Terror | 34 |
| 10. | Workman, Brandon | (habsco) | L'occitane Rhino | 34 |
| 11. | Leclerc, Jose | (Tigers2415) | Howard Hulks | 34 |
| 12. | Castillo, Jose | (J3bb3n5) | Harbor City Seals | 33 |
| 13. | Dominguez, Seranthony | (mcvn4) | Yankeebb Kryptonite | 33 |
| 14. | Kelley, Shawn | (donnpall) | Las Vegas Sun | 32 |
| 15. | Hader, Josh | (Davis44) | Wyoming Walruses | 32 |
| 16. | Lorenzen, Michael | (habsco) | Los Angeles Angels | 32 |
| 17. | Leclerc, Jose | (Robhawkva) | Roanoke Renegades | 31 |
| 18. | Martinez, Pedro | (nytkrew) | Prairie Wallflowers | 31 |
| 19. | Green, Chad | (capscaptain) | Seventh Heaven | 31 |
| 20. | Dominguez, Seranthony | Halifax Schooners | 30 | |
| 21. | Santana, Johan | (nytkrew) | Prairie Wallflowers | 30 |
| 22. | Green, Chad | (iceman18) | New York Mets | 30 |
| 23. | Poche, Colin | (Jrobandsteal) | San Francisco G-Men | 30 |
| 24. | Johnson, Randy | (dalipfhrfc) | Franklin Bums | 29 |
| 25. | Martinez, Pedro | (kingstreet) | Singapore Slingers | 29 |
| 26. | Maddux, Greg | (Crackpot) | Swinging Elders | 29 |
| 27. | Drysdale, Don | (ClassicOs) | Baltimore Orioles | 29 |
| 28. | Scott, Mike | (Mike1670) | Erie Elephants | 29 |
| 29. | Scherzer, Max | (Erwin23) | Indiana Cavemen | 28 |
| 30. | Green, Chad | (AJHawk) | Hampton Roads Neptunes | 28 |
| 31. | McNally, Dave | (silvereaglemyst) | Georgia Bulldogs | 28 |
| 32. | Green, Chad | (capscaptain) | Seventh Heaven | 28 |
| 33. | Johnson, Randy | (dbutts) | Allen Park Jacks | 28 |
| 34. | Kluber, Corey | (bravesturner) | Ethiopian Sea Pirates | 28 |
| 35. | Tiant, Luis | (kingstreet) | Singapore Jumbos | 28 |
| 36. | Cooper, Mort | (rhunner) | Catalina Commodores | 28 |
| 37. | Drysdale, Don | (rhunner) | Catalina Commodores | 28 |
| 38. | Jarvis, Pat | (rhunner) | Catalina Commodores | 28 |
| 39. | Tiant, Luis | (bigror25) | Idaho Idahicks | 28 |
| 40. | Keefe, Tim | (samwhitworth) | West Dakota Slime | 28 |
| 41. | Sweeney, Charlie | (littlereb) | Garner Gators | 28 |
| 42. | Walsh, Ed | (billyconn) | Medical Marijuana | 28 |
| 43. | Walsh, Ed | (samwhitworth) | West Dakota Slime | 28 |
| 44. | Schmidt, Jason | (zigwiggity) | King of Prussia Monarchs | 28 |
| 45. | Hendricks, Kyle | (GusPC13) | Quebec City Chevalier | 28 |
| 46. | Johnson, Walter | (richgibson) | Paris LIBERATORS | 28 |
| 47. | Strasburg, Stephen | (GusPC13) | Quebec City Chevalier | 28 |
| 48. | McNally, Dave | (tgbbirch) | Branch County Frogs | 28 |
| 49. | Johnson, Randy | (Zigwiggity) | Sound of Revenge | 28 |
| 50. | Tiant, Luis | (ayj88) | Money Baggs | 28 |