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. | Corcoran, Larry | (filler) | Minnesota Frogs | 20 |
| 2. | Radbourn, Charley | (sheikyerboudi) | Victorville Dead Rabbits | 20 |
| 3. | Lockwood, Skip | (joeyrex) | Beverly Hills Billies | 18 |
| 4. | Griffith, Clark | (filler) | Pittsburgh Plunder | 17 |
| 5. | Sparks, Tully | (GoYanks1981) | Texas Outlaws | 17 |
| 6. | Darwin, Danny | (walle-1) | San Diego Sharks | 17 |
| 7. | Nelson, Jeff | (dalipfhrfc) | Sals Calzones | 17 |
| 8. | Weyhing, Gus | (dynasty) | Chicago Reapers | 17 |
| 9. | Toney, Fred | (dynasty) | Miami Serpents | 17 |
| 10. | Bowman, Bob | (filler8) | Pittsburgh Plunder | 17 |
| 11. | Watt, Eddie | Arizona Suns | 16 | |
| 12. | Soriano, Rafael | (filler8) | Chicago Reapers | 16 |
| 13. | Griffith, Clark | (wisely1300) | Milwaukee Sharks | 16 |
| 14. | Shaw, Dupee | (GoYanks1981) | Boston Bees | 16 |
| 15. | Demaree, Al | (dynasty) | Montana Ducks | 16 |
| 16. | Whitehill, Earl | (andyczi) | Portland Vikings | 16 |
| 17. | Mullane, Tony | (gibblets1973) | Petite Forte Panthers | 16 |
| 18. | Barnes, Virgil | (morangslick) | Shipwreck Kellys | 16 |
| 19. | McGee, Jake | (filler) | Boulder Cavemen | 16 |
| 20. | Nichols, Kid | (dynasty) | Iowa Pigs | 16 |
| 21. | Taylor, Dummy | (dynasty8) | Chicago Reapers | 16 |
| 22. | Howell, Jay | (Nickachap) | Sydney Roosters | 16 |
| 23. | Krock, Gus | (walle-2) | Florida Crabs | 16 |
| 24. | Grissom, Lee | (twsmee) | Jim Thorpe Molly Maguires | 16 |
| 25. | Rodriguez, Richard | (filler8) | Kansas Grasshoppers | 16 |
| 26. | Geggus, Charlie | (filler8) | Alaska Red Bears | 16 |
| 27. | Hahn, Noodles | (filler) | Kentucky Horses | 15 |
| 28. | Terry, Adonis | (dynasty) | Sacramento Lions | 15 |
| 29. | Nathan, Joe | (richgibson) | MAD DICTATORS | 15 |
| 30. | Hernandez, Willie | (filler8) | Miami Serpents | 15 |
| 31. | Yates, Kirby | Denver Eagles | 15 | |
| 32. | Putz, J.J. | (Artinshki) | Base Ball Classics | 15 |
| 33. | Heving, Joe | (dynasty) | New Jersey Devils | 15 |
| 34. | Ontiveros, Steve | (filler) | Nevada Snakes | 15 |
| 35. | Brown, Jumbo | (gibblets1973) | Deep Bay Ducks | 15 |
| 36. | Geggus, Charlie | (andyyoung) | Heltonville Xolos | 15 |
| 37. | Eckersley, Dennis | Kansas Grasshoppers | 15 | |
| 38. | Quisenberry, Dan | Dallas Mustangs | 15 | |
| 39. | Ulrich, Dutch | (jmoffitt68519) | Falls Church Fire | 15 |
| 40. | Eichhorn, Mark | (CG4177) | Brooklyn Bankers | 15 |
| 41. | Smith, Al | (dynasty8) | Carolina Bulldogs | 15 |
| 42. | Diaz, Edwin | (dynasty) | Kansas Grasshoppers | 15 |
| 43. | Reed, Ron | (pentucket80) | Newburyport Hairy Nines | 15 |
| 44. | McQuillan, George | (gibblets1973) | Petite Forte Panthers | 15 |
| 45. | Street, Huston | (Willy1717) | Clio Tigercats | 15 |
| 46. | Bell, Hi | (Abcjz) | Montana Ducks | 15 |
| 47. | McMahon, Don | (walle-1) | Toronto Tigers | 15 |
| 48. | Henke, Tom | (dynasty) | Boston Bees | 15 |
| 49. | Gossage, Rich | Winter Haven Gators | 15 | |
| 50. | Quisenberry, Dan | (teamkev24) | Rubik Cubes | 15 |
