Favorite Teams leagues are not included in Single-Season records. Records only remain for 10 seasons.
1. Betances, Dellin Heritage Pointers 2.0
2. Boxberger, Brad Nevada Racin' Rebels 2.3
3. Street, Huston Tuvalu Copras 2.3
4. Papelbon, Jonathan San Antonio Texans 2.4
5. Hahn, Jesse Dale Pirates 2.4
6. Boxberger, Brad Asbury Park LUMPEN PROLS 2.4
7. Kimbrel, Craig Pope Pius Pals 2.5
8. Papelbon, Jonathan Huntsville Bearkats 2.5
9. Nen, Robb Blair Mountain ReBeLS 2.5
10. Guthrie, Mark Ladson Cougars 2.6
11. Feliz, Neftali Washington Uncle Joes 2.6
12. Charlton, Norm North Bridgton Fins 2.6
13. Wagner, Billy Goshen Gorillas 2.7
14. Street, Huston South Texas Pigmen 2.7
15. Hernandez, David Hagerstown Suns 2.7
16. Percival, Troy Iowa Corn Pickers 2.6
17. Britton, Zach East County Devil Dogs 2.7
18. Valverde, Jose Badboy Brawlers 2.7
19. Segui, Diego Houghton Miners 2.7
20. Balfour, Grant Tisdale Jumping Frogs 2.7
21. Wagner, Billy Murdock Miners 2.7
22. Doolittle, Sean Delaware Gators 2.7
23. Kimbrel, Craig South Dakota Cyclones 2.7
24. Kimbrel, Craig Lowndes County ScHooLeRs 2.7
25. Doolittle, Sean Chester Springs Menjai 2.7
26. Chapman, Aroldis Clifton Heights Cavemen 2.7
27. Konstanty, Jim Freehold Yankees2 2.8
28. Zimmerman, Jeff Boston Celtics 2.8
29. Percival, Troy Minneapolis Mafia 2.7
30. Cabrera, Genesis York Spartans2 2.8
31. Soriano, Rafael Iowa Corn Pickers 2.8
32. Balfour, Grant Chenango Wolves 2.8
33. Lidge, Brad Raleigh Sharks 2.8
34. Pagan, Emilio Minnesota Moosehead 2.8
35. Hahn, Jesse Los Angeles Angelfish 2.8
36. Valverde, Jose Worcester Warriors 2.8
37. Diaz, Edwin Afghan DisasTER 2.8
38. Marmol, Carlos Raleigh Sharks 2.8
39. Jackson, Mike Milwaukee Moo 2.9
40. Devine, Joey New York Highlanders 2.8
41. Boxberger, Brad Raleigh Bull Dogs 2.9
42. Henke, Tom Bedrock Flinstones 2.9
43. Politte, Cliff Calgary Bad News Browns 2.9
44. Kimbrel, Craig Boston Red Sox 2.9
45. Marmol, Carlos Bird in Hand Bakers 2.9
46. Clippard, Tyler Rittenhouse Defenders 2.9
47. Chapman, Aroldis Jenkinstown Jameson 2.9
48. Chapman, Aroldis JACKSON HEIGHTS SHARKS 2.9
49. Miller, Andrew Chester Springs Menjai 2.9
50. Kuo, Hong-Chih Las Vegas Screamin Eagles 2.9