Favorite Teams leagues are not included in Single-Season records. Records only remain for 10 seasons.
1. Gagne, Eric Millersburg Muffins 65
2. Street, Huston Cleveland Naps 65
3. Uehara, Koji Jackson Heights Knights 63
4. Doolittle, Sean Jackson Heights Knights 63
5. Uehara, Koji Round Rock Rhinos 62
6. Jansen, Kenley 25 Indestructable ENLIGHTENMENTS 61
7. Wagner, Billy New York Knights 61
8. Lockwood, Skip Ladson Cougars 61
9. Doolittle, Sean NYC Cubbies 61
10. Davis, Ron Flux Capasitors 61
11. Doolittle, Sean Chicago Cubs 61
12. Adams, Mike Rochester Red Wings 61
13. Adams, Mike Carolina Beachbums 60
14. Uehara, Koji South Texas Pigmen 60
15. Kimbrel, Craig Yellowstone Wolves 60
16. Kimbrel, Craig Sactown Royalty 60
17. Beck, Rod Lip City Remnants 60
18. Uehara, Koji Portland Rain 60
19. Wagner, Billy New York Dragons 60
20. Feliz, Neftali Crazytown Owls 59
21. Wilhelm, Hoyt Philadelphia Express 59
22. Gagne, Eric Jackson Heights Nittany Lions 59
23. Feliz, Neftali Lewisberry Old Timers 59
24. Adams, Mike New York Knights 59
25. Adams, Mike Canarsie Cannibals 59
26. Street, Huston Brooklyn Bisons 59
27. Feliz, Neftali Washington Angry Ducks 59
28. Adams, Mike Houston Dragons 59
29. Davis, Wade East Ridge Pioneers 59
30. Gossage, Rich Longview Outcasts 59
31. Doolittle, Sean Jackson Heights Knights 58
32. Kimbrel, Craig Inland Empire 66ers 58
33. Doolittle, Sean Nevada Racin' Rebels 58
34. Hader, Josh Auckerman Descendants 58
35. Wagner, Billy Niigata Prefecture Ninjas 58
36. McDaniel, Lindy Tropicana Tush 58
37. Adams, Mike Sugarland Skeeters 58
38. Kimbrel, Craig Brooklyn Bisons 58
39. Messersmith, Andy Ladson Dodgers 57
40. Papelbon, Jonathan Chicago Cubs 57
41. Benoit, Joaquin Chesterfield Knights 57
42. Wagner, Billy Goshen Gorillas 57
43. Abernathy, Ted Loudoun Lassos 57
44. Doolittle, Sean OC Bulldogs 57
45. Gagne, Eric American Pharoahs 57
46. Hernandez, Willie New York Mets 57
47. Gossage, Rich Ballantine Blasts 57
48. Adams, Mike South Texas Pigmen 57
49. Uehara, Koji Durham Bullwinkles 57
50. Doolittle, Sean Reno Tigers 57