Favorite Teams leagues are not included in Single-Season records. Records only remain for 10 seasons.
1. Uehara, Koji Jackson Heights Knights 63
2. Doolittle, Sean Jackson Heights Knights 63
3. Wagner, Billy New York Knights 61
4. Doolittle, Sean Chicago Cubs 61
5. Romo, Vicente Mid-Century Moderns 61
6. Percival, Troy Montreal Expos 60
7. Kimbrel, Craig Nevada Racin' Rebels 60
8. Uehara, Koji South Texas Killer Bees 60
9. Wagner, Billy Nevada Racin' Rebels 59
10. Romo, Vicente Herky Spulunkters 59
11. Street, Huston Boston Thunderbolts 59
12. Betances, Dellin Turner Bulldogs 59
13. Adams, Mike Canarsie Cannibals 59
14. Adams, Mike New York Knights 59
15. Feliz, Neftali Washington Angry Ducks 59
16. Feliz, Neftali Nevada Racin' Rebels 59
17. Putz, J.J. New York Mets 58
18. McDaniel, Lindy Luxor Attack 58
19. Doolittle, Sean Nevada Racin' Rebels 58
20. Chapman, Aroldis Nashville Knights 58
21. Nathan, Joe Singapore Slingers 57
22. Street, Huston High Desert Dead Possums 57
23. Betancourt, Rafael Shanghai Maggots 57
24. Eichhorn, Mark Iowa Corn Pickers 57
25. Doolittle, Sean OC Wolves 57
26. Gagne, Eric NYC Cubbies 57
27. Doolittle, Sean OC Bulldogs 57
28. Gossage, Rich Midland RockHounds 57
29. Eichhorn, Mark Warner Town Animaniacs 57
30. Kimbrel, Craig New York Knights 57
31. Abernathy, Ted Loudoun Lassos 57
32. Wagner, Billy Goshen Gorillas 57
33. Jansen, Kenley Miami Dark Stars 57
34. Gagne, Eric Derry Fear 56
35. Papelbon, Jonathan Chicago Lost Cubs 56
36. Uehara, Koji Miami Dark Stars 56
37. Gossage, Rich Iowa Spank’sters 56
38. Gagne, Eric Washington Racin' Rebels 56
39. Benoit, Joaquin Nevada Racin' Rebels 56
40. Gagne, Eric Sin City High Rollers 56
41. Drabowsky, Moe Loudoun Lassos 56
42. Feliz, Neftali Carolina Racin' Wrens 56
43. Feliz, Neftali McMillan Flow 56
44. Eckersley, Dennis Chicago Cubbies 56
45. Wilhelm, Hoyt BROOKLYN DODGERS 56
46. Jansen, Kenley Quincy Jets 56
47. Doolittle, Sean American Pharoahs 56
48. Chapman, Aroldis Weesles Ripped My Flesh 56
49. Green, Chad Marathon Red Dragons 56
50. Madson, Ryan Covington Conquerors 56