Favorite Teams leagues are not included in Single-Season records. Records only remain for 10 seasons.
1. Mullane, Tony San Diego WOBS 20
2. Quantrill, Cal Miami Cats 20
3. Nola, Aaron Glen Allen Gladiators 20
4. Lamet, Dinelson ‘Sota BobbleVikes 20
5. Radbourn, Charley Wahoo Howlers 20
6. Young, Cy Site-19 Skippers 19
7. Wood, Kerry Stockton Stars 19
8. Keuchel, Dallas Oklahoma City Tornadoes 19
9. Johnson, Randy Virginia Victory 19
10. Sparks, Tully Rye Whiskey 19
11. Boyle, Henry Malaybalay Automatons 19
12. Lamet, Dinelson Brooklyn Knights 19
13. Perez, Odalis BB Buddies 19
14. Reulbach, Ed Boston Beaneaters 19
15. Seward, Ed Worcester Ruby Legs 19
16. Corcoran, Larry Ziegfeld Follies 19
17. deGrom, Jacob Iowa Fighting Pigs 18
18. Bauer, Trevor Rancho Cucamonga Rumble Ponies 18
19. Brown, Mordecai Worcester Ruby Legs 18
20. Walsh, Ed Big Stans 18
21. Cueto, Johnny New York Yankees 18
22. Seaver, Tom Rockford Rockers 18
23. Walsh, Ed New York Knights 18
24. Mikolas, Miles Washington Werewolves 18
25. McGinnity, Joe Munchin' Muff-ins 18
26. Civale, Aaron Detroit Eagles 18
27. Chacin, Jhoulys Waipahu Emeralds 18
28. Montas, Frankie Denver Dolphins 18
29. Darvish, Yu Chicago Inferno 18
30. Arrieta, Jake Springfield Knights 18
31. Greinke, Zack Galveston BULLFROGS 18
32. Hendricks, Kyle Scarborough Red Storm 18
33. Wells, David Tropicana Tush 18
34. Giolito, Lucas Hesi Pull-Up Jimbos 18
35. Alexander, Pete Shreveport Scorpions 18
36. Hughes, Mickey Miami Cats 18
37. Getzein, Charlie Troy Trojans 18
38. Alexander, Pete Michigan Palm State SWOC 18
39. Young, Cy Touch Down 18
40. Whitney, Jim Fan Of The Coch 18
41. Schilling, Curt Jersey City Knights 17
42. Peterson, David Baltimore Burners 17
43. Titcomb, Cannonball Touch Down 17
44. Sale, Chris Spring Heat 17
45. Conway, Pete Sunset Park Orcas 17
46. Martinez, Pedro North Dakota Oil Sharks 17
47. Kershaw, Clayton Freehold Yanks 17
48. Bender, Chief Chicago Bulls 17
49. Lynn, Lance Tennessee Tall Hats 2.0 17
50. McGinnity, Joe Chicago Whales 17