Favorite Teams leagues are not included in Single-Season records. Records only remain for 10 seasons.
1. Papelbon, Jonathan San Antonio Texans 0.00
2. Street, Huston Tucson Titans 0.00
3. Broxton, Jonathan Milwaukee Thunderheads 0.00
4. Britton, Zach East County Devil Dogs 0.00
5. Roebuck, Ed Mid-Century Moderns 0.16
6. Putz, J.J. Singapore Slingers 0.17
7. Lancaster, Les Chicago's Lost Cubs 1 0.22
8. Vande Berg, Ed Briscoe Heights Blockheads 0.22
9. Shaw, Jeff Steroid City Roids 0.24
10. Boxberger, Brad Lewisberry Old Timers 0.25
11. Chapman, Aroldis Jenkinstown Jameson 0.26
12. Howell, Harry Oyster Bay Eagles 0.26
13. Britton, Zach Pawtucket Sweatmen 0.26
14. Putz, J.J. Las Vegas Lounge Lizards 0.26
15. Papelbon, Jonathan Westside Wolves 0.27
16. Percival, Troy Iowa Corn Pickers 0.28
17. Kimbrel, Craig Philly Elephants 0.28
18. Cooper, Mort Walsall Woodeagles 0.29
19. Putz, J.J. Atlanta Brick Squad 0.29
20. Neris, Hector Tenn Dragons 0.29
21. Wagner, Billy New Team 0.30
22. McHugh, Collin Appalachian Moonshiners 0.36
23. Gagne, Eric Rancho Rats 0.37
24. Saito, Takashi Fargo Freeze 0.37
25. Street, Huston Brooklyn Bisons 0.40
26. Saito, Takashi Greenville All Stars 0.42
27. Cormier, Rheal Adirondack MudHens 0.43
28. Sutter, Bruce Bz Bang Bang City Bomba's 0.43
29. Foulke, Keith BOS BOS 0.45
30. Kimbrel, Craig Boston Babies 0.45
31. Miller, Andrew Iowa Corn Pickers 0.46
32. Charlton, Norm Captain Supemarket 0.47
33. Devine, Joey New York Highlanders 0.47
34. Kuo, Hong-Chih Homestead Grays 0.47
35. Chapman, Aroldis Urbana Five-o 0.47
36. Percival, Troy Durham Bullwinkles 0.48
37. Betances, Dellin Sierra Nevada Quicksilvers 0.48
38. Smith, Lee Edmonton Mustangs 0.48
39. Hernandez, David Hagerstown Suns 0.48
40. Papelbon, Jonathan Weesles Ripped My Flesh 0.48
41. Miller, Andrew Chester Springs Menjai 0.49
42. Kuo, Hong-Chih Chitown Sabotage 0.49
43. Adams, Mike Visalia Oaks 0.49
44. Chapman, Aroldis Chicago Mighty Bulls 0.49
45. McGraw, Tug London Yardbirds 0.50
46. Betancourt, Rafael Cheyenne Cavalrymen 0.50
47. Zimmerman, Jeff Boston Celtics 0.49
48. Dolis, Rafael GLOBEX Corporation 0.49
49. Kelley, Shawn Providence Grays 0.51
50. Hernandez, Xavier Kelowna Virus 0.51