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. | Radbourn, Charley | (walle-2) | Sacramento Lions | 20 |
| 2. | Corcoran, Larry | (razzol) | Cleveland Mad Midges | 20 |
| 3. | Lockwood, Skip | Beverly Hills Billies | 18 | |
| 4. | Toney, Fred | (dynasty) | Portland Vikings | 17 |
| 5. | Darwin, Danny | (walle-1) | Charlotte Spiders | 17 |
| 6. | Bowman, Bob | (filler) | Denver Eagles | 17 |
| 7. | Nelson, Jeff | (dalipfhrfc) | Sals Calzones | 17 |
| 8. | Weyhing, Gus | (dynasty) | Nevada Snakes | 17 |
| 9. | Griffith, Clark | (mdsyverson) | Pittsburgh Plunder | 17 |
| 10. | Sparks, Tully | (GoYanks1981) | Texas Outlaws | 17 |
| 11. | Griffith, Clark | (wisely1300) | Milwaukee Sharks | 16 |
| 12. | Mullane, Tony | (gibblets1973) | Petite Forte Panthers | 16 |
| 13. | Soriano, Rafael | (filler) | Milwaukee Skeletons | 16 |
| 14. | Barnes, Virgil | (morangslick) | Shipwreck Kellys | 16 |
| 15. | Howell, Jay | (Nickachap) | Sydney Roosters | 16 |
| 16. | Watt, Eddie | (filler) | Seattle Sloths | 16 |
| 17. | Nichols, Kid | (dynasty) | Portland Vikings | 16 |
| 18. | Krock, Gus | (Texashorns2023) | Florida Crabs | 16 |
| 19. | McGee, Jake | Portland Vikings | 16 | |
| 20. | Geggus, Charlie | (dynasty) | New Jersey Devils | 16 |
| 21. | Rodriguez, Richard | (filler8) | Charlotte Spiders | 16 |
| 22. | Shaw, Dupee | (GoYanks1981) | Boston Bees | 16 |
| 23. | Taylor, Dummy | Milwaukee Skeletons | 16 | |
| 24. | Demaree, Al | Montana Ducks | 16 | |
| 25. | Grissom, Lee | (twsmee) | Jim Thorpe Molly Maguires | 16 |
| 26. | Whitehill, Earl | (andyczi) | Portland Vikings | 16 |
| 27. | Bell, Hi | (morangslick) | Montana Ducks | 15 |
| 28. | Yates, Kirby | (filler) | Chicago Reapers | 15 |
| 29. | Henke, Tom | (filler8) | Chicago Reapers | 15 |
| 30. | Geggus, Charlie | (andyyoung) | Heltonville Xolos | 15 |
| 31. | Eckersley, Dennis | (2Deep) | Alaska Red Bears | 15 |
| 32. | Quisenberry, Dan | (druski) | Dallas Mustangs | 15 |
| 33. | Heving, Joe | (filler8) | Phoenix Dragons | 15 |
| 34. | Diaz, Edwin | (filler8) | San Diego Sharks | 15 |
| 35. | Ulrich, Dutch | (jmoffitt68519) | Falls Church Fire | 15 |
| 36. | Haid, Hal | (filler8) | Nevada Snakes | 15 |
| 37. | Mamaux, Al | (filler) | Denver Eagles | 15 |
| 38. | Pagan, Emilio | (filler8) | Dallas Mustangs | 15 |
| 39. | Bowman, Bob | (Trjpacman) | MC - BS Rappers | 15 |
| 40. | Jansen, Kenley | (dynasty8) | Milwaukee Skeletons | 15 |
| 41. | Gregg, Vean | (walle-1) | Minnesota Frogs | 15 |
| 42. | Nelson, Roger | (chasherm) | Madison Red Devils | 15 |
| 43. | Nathan, Joe | (richgibson) | MAD DICTATORS | 15 |
| 44. | Clarkson, John | (GilHodges) | Fitzchivalrys Fools | 15 |
| 45. | Hernandez, Willie | (MetsFan4Ever) | Miami Serpents | 15 |
| 46. | Hahn, Noodles | (filler8) | Iowa Pigs | 15 |
| 47. | Terry, Adonis | (walle-1) | Louisiana Gators | 15 |
| 48. | Regan, Phil | (coachmcs) | Texas Outlaws | 15 |
| 49. | Eichhorn, Mark | (CG4177) | Brooklyn Bankers | 15 |
| 50. | Mountain, Frank | (dshearer) | Kingston Cougars | 15 |
