Favorite Teams leagues are not included in Single-Season records. Records only remain for 10 seasons.
1. Miller, Andrew Chester Springs Menjai 0.42
2. Putz, J.J. Rochester Red Wings 0.42
3. Boxberger, Brad Asbury Park LUMPEN PROLS 0.44
4. Saito, Takashi Ladson Dodgers 0.46
5. Papelbon, Jonathan San Antonio Texans 0.46
6. Kimbrel, Craig Boston Red Sox 0.46
7. Beck, Rod South Dakota Tush 0.47
8. Doolittle, Sean Chester Springs Menjai 0.48
9. Pagan, Emilio Minnesota Moosehead 0.48
10. Hernandez, David Hagerstown Suns 0.48
11. Nen, Robb Blair Mountain ReBeLS 0.48
12. Eckersley, Dennis LaCrosse Loggers 0.49
13. Eckersley, Dennis WW Wolves 0.50
14. Holland, Greg Medway Mustangs 0.50
15. Percival, Troy Boston Bees 0.50
16. Rivera, Mariano Van Buren Boys 0.50
17. Ellis, Sammy Carolina Copperheads 0.50
18. Rivera, Mariano Worcester Warriors 0.51
19. Kimbrel, Craig Pope Pius Pals 0.51
20. Jansen, Kenley Iowa Corn Pickers 0.52
21. Adams, Mike New York Knights 0.52
22. Uehara, Koji Iowa Corn Pickers 0.53
23. Kimbrel, Craig Lowndes County ScHooLeRs 0.53
24. Smith, Lee Singapore Straits Tigers 0.53
25. Gregerson, Luke Las Vegas Scorpions 0.53
26. Doolittle, Sean Jackson Heights Knights 0.53
27. Broxton, Jonathan Kleinfeltersville Hoteliers 0.53
28. Gagne, Eric Weesles Ripped My Flesh 0.54
29. Doolittle, Sean American Pharoahs 0.54
30. Uehara, Koji Windsor Kick Aces 0.54
31. Ottavino, Adam Iowa Fighting Pigs 0.54
32. Papelbon, Jonathan Westside Wolves 0.54
33. Hochevar, Luke Yellowstone Wolves 0.54
34. Zimmerman, Jeff Baltimore Orioles 0.55
35. Holland, Greg Fredricksburg Feds 0.55
36. Rogers, Taylor Uniontown Brown 0.55
37. Boxberger, Brad Raleigh Bull Dogs 0.55
38. Parker, Blake Hazelhurst Walnut Pickers 0.55
39. Wilkinson, Bill Ocean City Sharks 0.55
40. Britton, Zach Toledo Mudhens 0.55
41. Guerrier, Matt San Diego Suns 0.56
42. Jansen, Kenley Stooky Stooky 0.56
43. Doolittle, Sean Iowa Corn Pickers 0.56
44. Rivera, Mariano Jackson Heights Nittany Lions 0.56
45. Chapman, Aroldis Singapore Blue Jays 0.56
46. Feliz, Neftali Green Bay Mad Ducks 0.56
47. Pagan, Emilio Oakmont Hooks 0.56
48. Doolittle, Sean Singapore Slingers 0.56
49. Miller, Andrew San Diego WOBS 0.56
50. Doolittle, Sean Delaware Gators 0.56