Favorite Teams leagues are not included in Single-Season records. Records only remain for 10 seasons.
Single-Season Leaders (Blown Saves)
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. | Stone, Arnie | (bwoodcoc) | Delaware Wildcats | 20 |
| 2. | Brennan, Don | (Whg383) | Jacksonville Tricky Cats | 19 |
| 3. | Bowman, Bob | (SDWriter) | October Daze | 19 |
| 4. | Napier, Buddy | (baseball4ever) | Casablanca Gamblers | 19 |
| 5. | Coveleski, Harry | (bwoodcoc) | Pittsburgh Pirates | 19 |
| 6. | Powell, Jack | (timyoung) | Graceville Slumpbusters | 18 |
| 7. | Rivero, Felipe | (habsco) | St Catharines Blues | 18 |
| 8. | Grabowski, Al | (baseball4ever) | G-Men Untouchables | 18 |
| 9. | Hess, Otto | (Kai) | Buffalo Bandits | 17 |
| 10. | Lemaster, Denny | (bfstevens) | Mt. Washington Moose | 17 |
| 11. | Judd, Ralph | (dshearer) | Boston Bulldogs | 17 |
| 12. | Green, Chad | (Dock12) | Keystone Cowboys | 17 |
| 13. | Henneman, Mike | (Arcticwolf) | Rock Tavern Shop Stewards | 17 |
| 14. | McCormick, Harry | (Chicos75) | Old Team | 17 |
| 15. | Rogers, Taylor | (habsco) | Grand Forks Piggly Wigglys | 16 |
| 16. | Guerra, Junior | (habsco) | Laurel Billings Bees | 16 |
| 17. | Beck, Rod | (KevinW) | Seattle Pilots | 16 |
| 18. | Weir, Roy | (teamkev24) | Big Red | 16 |
| 19. | McCormick, Harry | (cunnythumber) | Southend Spartans | 16 |
| 20. | Tannehill, Jesse | (Teamjeter2) | Lock Haven Yankees | 16 |
| 21. | McNamara, Tim | (Sdwriter) | TL Legends | 16 |
| 22. | Pearce, Frank | (TheNatural) | Dayton DRAGONS | 16 |
| 23. | Duryea, Jesse | (Shpennymons) | Cleveland Naps | 16 |
| 24. | Hadley, Bump | (kruker232323) | Windsor Wild Geese | 16 |
| 25. | Summers, Ed | (dshearer) | Kingston Cougars | 16 |
| 26. | Rhines, Billy | (gt049) | Washington Huskies | 16 |
| 27. | Mullane, Tony | (baseball4ever) | Panama Canal Builders | 15 |
| 28. | Shoffner, Milt | (chucklesmcgee) | Las Matas de Madrid | 15 |
| 29. | Kinder, Ellis | (sammy-z) | Hartford Dentists | 15 |
| 30. | Darwin, Danny | (chapman) | Winterfell Direwolves | 15 |
| 31. | Nen, Robb | (WorcWarr) | Worcester Warriors | 15 |
| 32. | Smoltz, John | (Novotny34) | Chicago Frisbees | 15 |
| 33. | Moore, Wilcy | (bmills) | Nintendo Baseball Stars | 15 |
| 34. | Bell, Hi | (JStrauss51) | Calumet Wolverines | 15 |
| 35. | Fuentes, Brian | (wheelsofterror) | Dayton Tortioses | 15 |
| 36. | Ottavino, Adam | (jhaynes118) | Hartford Sharks | 15 |
| 37. | Ames, Red | (Electro) | Pelham Puma | 15 |
| 38. | Eichhorn, Mark | (dunroche) | Boston Thunderbolts | 15 |
| 39. | Moore, Wilcy | (tgbsbl1967) | Milwaukee Legends | 15 |
| 40. | Napier, Buddy | (baseball4ever) | Casablanca Gamblers | 15 |
| 41. | Smith, Al | (Kprow28) | Kittanning RiverHawks | 15 |
| 42. | Smoltz, John | (Pack3rs12) | Brooklyn 💰⚾🦞 | 15 |
| 43. | Chagnon, Leon | (timyoung) | Savannah Sand Gnats | 15 |
| 44. | Franco, John | (slippedjames) | Chattanooga Chews | 15 |
| 45. | Weaver, Sam | (Iceman367) | New York Clubbers | 15 |
| 46. | Brown, Clint | (PARATROOPER22) | SWEET WATER SWINGERS | 15 |
| 47. | Betancourt, Rafael | (waseb8511) | Boston AstroSox | 15 |
| 48. | Shea, Red | (33EKD44) | Monument Grizzlies | 15 |
| 49. | Oh, Seung-hwan | (habsco) | Tampa Terror | 15 |
| 50. | Moore, Cy | (TheNatural) | Dayton DRAGONS | 15 |