Favorite Teams leagues are not included in Single-Season records. Records only remain for 10 seasons.
1. Mullane, Tony San Diego WOBS 20
2. Reulbach, Ed Roanoke Renegades 19
3. Sparks, Tully Rye Whiskey 19
4. Johnson, Randy Virginia Victory 19
5. Boyle, Henry Malaybalay Automatons 19
6. Seward, Ed AURORA Skunks 19
7. Foreman, Frank Carol City Currys 19
8. Perez, Odalis Canton Lumber Company 19
9. Chacin, Jhoulys Tallahassee Munchies 18
10. Greinke, Zack Galveston BULLFROGS 18
11. Arrieta, Jake Stockton Stars 18
12. Walsh, Ed Big Stans 18
13. Severino, Luis Freehold Yankees 18
14. Seaver, Tom Rockford Rockers 18
15. Cueto, Johnny New Hampshire Bobcats 18
16. Young, Cy Atlanta Survivors 18
17. Lincecum, Tim Roman Empire Gladiators 18
18. Walsh, Ed New York Knights 18
19. Mikolas, Miles Washington Werewolves 18
20. McGinnity, Joe Munchin' Muff-ins 18
21. Mikolas, Miles Portland Crickets 17
22. Leonard, Dutch Mojave River Valley Dead Rabbits 17
23. Wheeler, Zack Los Angeles Rhinos 17
24. McGinnity, Joe Springfield Drunken Gambler 17
25. Morton, Charlie Trenton Thunder 17
26. Titcomb, Cannonball Atlanta Survivors 17
27. Mikolas, Miles Cluj Lions 17
28. Weyhing, Gus Brooklyn Tip Tops 17
29. Sale, Chris Spring Sharks 17
30. Sale, Chris Brooklyn Knights 17
31. Kershaw, Clayton Sparta Spartans 17
32. Martinez, Pedro Valhalla Vikings 17
33. King, Silver Pelham Puma 17
34. Greinke, Zack Allerton Nine 17
35. Berrios, Jose Glasgow Gladiators 17
36. Kluber, Corey Kitchener Outlaws 17
37. Sanchez, Anibal Kelso Kowboys 17
38. Weaver, Luke Twin Cities Angry Ducks 17
39. Weaver, Luke Kansas City T-Bones 17
40. Johnson, Randy ST Louis Birdies 17
41. Scherzer, Max The End 17
42. Pfiester, Jack Los Angeles Sharks 17
43. Lackey, John Hawaii Eruptions 17
44. Mikolas, Miles Greenville All Stars 16
45. Strasburg, Stephen Fightin Amish 16
46. Woodruff, Brandon Indee Mustangs 16
47. Taillon, Jameson The Dangerous Alliance 16
48. Wheeler, Zack New York Mets 16
49. Weaver, Jeff Honolulu Hooters 16
50. Kershaw, Clayton Geneva Golden Tornado 16