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. | Devlin, Jim | (Slothmonkey) | Baltimore Orioles | 20 |
| 2. | Mountain, Frank | (billyconn) | Zephyrhills wizards | 20 |
| 3. | Stone, Arnie | (bwoodcoc) | Delaware Wildcats | 20 |
| 4. | Atkinson, Al | (beck) | Pasadena Tigers | 20 |
| 5. | Brennan, Don | (wadesayles) | Nebo Bluebirds | 19 |
| 6. | Coveleski, Harry | (bwoodcoc) | Pittsburgh Pirates | 19 |
| 7. | Bowman, Bob | (ThEiRoNhOrSe04) | October Daze | 19 |
| 8. | Napier, Buddy | (baseball4ever) | Casablanca Gamblers | 19 |
| 9. | Grabowski, Al | (baseball4ever) | G-Men Untouchables | 18 |
| 10. | Powell, Jack | (timyoung) | Graceville Slumpbusters | 18 |
| 11. | Clark, Watty | (electro) | New York Mets | 18 |
| 12. | Rivero, Felipe | (habsco) | St Catharines Blues | 18 |
| 13. | Gabler, Frank | (filler) | Charp Hot Rats | 18 |
| 14. | Clippard, Tyler | (habsco) | Tampa Terror | 18 |
| 15. | Judd, Ralph | (dshearer) | Boston Bulldogs | 17 |
| 16. | Galvin, Pud | (PicklePunk20) | Manitoba Grizzlies | 17 |
| 17. | Henneman, Mike | (Arcticwolf) | Rock Tavern Shop Stewards | 17 |
| 18. | McCormick, Harry | South Dakota Bolts | 17 | |
| 19. | Tyler, Lefty | (Slothmonkey) | Baltimore Orioles | 17 |
| 20. | Willis, Vic | (mduse) | New York Mets | 17 |
| 21. | Green, Chad | (TheurgicHare125) | Keystone Cowboys | 17 |
| 22. | Reardon, Jeff | (filler) | Olde English 800's | 16 |
| 23. | Demaree, Al | (PARATROOPER22) | CLARKSVILLE CARTOON MEN | 16 |
| 24. | Guerra, Junior | (habsco) | Laurel Billings Bees | 16 |
| 25. | Duryea, Jesse | (Shpennymons) | Cleveland Naps | 16 |
| 26. | McCormick, Harry | (jibmott) | Southend Spartans | 16 |
| 27. | Donovan, Bill | Iowa Deadballers | 16 | |
| 28. | Tannehill, Jesse | (sheikyerboudi) | Mojave Desert Route 666ers | 16 |
| 29. | Summers, Ed | (dshearer) | Kingston Cougars | 16 |
| 30. | Hadley, Bump | (kruker232323) | Windsor Wild Geese | 16 |
| 31. | McNamara, Tim | (shane211) | South Dakota Wolf Pac | 16 |
| 32. | Rhines, Billy | (gt049) | Washington Huskies | 16 |
| 33. | Weir, Roy | (teamkev24) | Big Red | 16 |
| 34. | Pearce, Frank | (TheNatural) | Dayton DRAGONS | 16 |
| 35. | Beck, Rod | (KevinW) | Seattle Pilots | 16 |
| 36. | Zimmerman, Jeff | (minomaz8) | Victoria Vikings | 16 |
| 37. | Rogers, Taylor | (mattholland1975) | Pembroke Pigs | 16 |
| 38. | Stone, Arnie | (dshearer) | Boston Bulldogs | 15 |
| 39. | Moore, Cy | (TheNatural) | Dayton DRAGONS | 15 |
| 40. | Smith, Al | Oregon Beavers | 15 | |
| 41. | Smoltz, John | (Novotny34) | Chicago Frisbees | 15 |
| 42. | Oh, Seung-hwan | (habsco) | Tampa Terror | 15 |
| 43. | Shoffner, Milt | Manchester Basketball | 15 | |
| 44. | Nen, Robb | (WorcWarr) | Worcester Warriors | 15 |
| 45. | Duffey, Tyler | PT Giants | 15 | |
| 46. | Lee, Bob | (BamaTrashman) | Tampico Stogies | 15 |
| 47. | Davis, Ron | (filler) | High Point Sharks | 15 |
| 48. | Holland, Greg | (ruthbonds) | Garrison FREEDOMFIGHTERS | 15 |
| 49. | Maeda, Kenta | (canseco) | Nuevo México Mariachis | 15 |
| 50. | Pressly, Ryan | (TheurgicHare125) | Keystone Cowboys | 15 |