Favorite Teams leagues are not included in Single-Season records. Records only remain for 10 seasons.
Single-Season Leaders (SO/9)
Average
OBP
SLG
OPS
At Bats
Runs
Hits
Doubles
Triples
Homers
RBIs
Walks
Strikeouts
Stolen Bases
Caught Stealing
Sac Hits
Sac Fly
HBP
GIDP
D+/-
Wins
Losses
ERA
WHIP
Innings
Hits Allowed
HR Allowed
Walks (P)
Strikeouts (p)
Complete Games
Saves
Blown Saves
Shutouts
Quality Starts
Wild Pitches
Hit Batters
H/9
BB/9
SO/9
| 1. | Karinchak, James | (jaredhamann) | Simsbury Trojans | 15.9 |
| 2. | McGee, Jake | (Lostit) | Chicago Lost Cubs | 15.9 |
| 3. | Matzek, Tyler | (Gradster10) | Time Variance Authority | 15.6 |
| 4. | Diaz, Edwin | (harrison_gascho) | Bratislava Minks | 15.4 |
| 5. | Parker, Blake | (Tommyboy23) | Tampa Bears | 15.4 |
| 6. | Pagan, Emilio | (Ginkster) | Georgia Gooses | 15.6 |
| 7. | May, Trevor | (upenn29) | Binghampton Bulls | 15.4 |
| 8. | James, Josh | (filler) | Boomtown Clarks | 15.3 |
| 9. | Chapman, Aroldis | (coachmcs) | Durango Pirates | 15.3 |
| 10. | Giles, Ken | (ssrice123) | Kiev Dynamo | 15.1 |
| 11. | Boyd, Matt | (dynasty) | Houston Mavericks | 15.2 |
| 12. | Williams, Devin | (Mhoover21) | Tennessee Dots | 15.1 |
| 13. | Hudson, Daniel | (BigAlRoulo) | San Francisco Demons | 15.0 |
| 14. | Diaz, Edwin | (Don55) | PP Patriots | 15.3 |
| 15. | Williams, Devin | (shane211) | South Dakota Monsters | 14.9 |
| 16. | Chapman, Aroldis | (tda81) | Vaddi Mence | 15.0 |
| 17. | Barnes, Matt | (offday) | Lansing Lugnuts | 15.0 |
| 18. | Rosenthal, Trevor | (rnels) | Dalston Grizzlies | 15.2 |
| 19. | Hader, Josh | (iceman18) | New York Mets | 15.0 |
| 20. | Williams, Devin | (Sillymonkey) | Oregon Bulldogs | 15.0 |
| 21. | Hudson, Daniel | (Gradster10) | Homestead Grays | 14.9 |
| 22. | Hader, Josh | (sgt714) | Boston Red Sox | 14.9 |
| 23. | Williams, Devin | (joemcg) | OC Ducks | 15.0 |
| 24. | Chapman, Aroldis | (Don55) | GG Gentlemen | 14.9 |
| 25. | Diaz, Edwin | (Datboi69) | Cherry Point Bombers | 15.0 |
| 26. | Rosenthal, Trevor | (zad) | East Coast Screwballs | 14.9 |
| 27. | Leclerc, Jose | (filler8) | DD Donkeys | 15.1 |
| 28. | Adams, Austin | (ColinBoucher) | Dunning Kruger Dotards | 14.8 |
| 29. | May, Trevor | (Sidneypointers) | Hilltop Tornados | 14.8 |
| 30. | Diaz, Edwin | (drh4740) | Vancouver Elephants | 14.8 |
| 31. | Peralta, Freddy | (zigwiggity) | Iowa Corn Pickers | 14.9 |
| 32. | Marshall, Evan | (mckarcher) | Salem Sorcerers | 14.8 |
| 33. | Trivino, Lou | (alstro11) | Macon Bacon | 14.8 |
| 34. | Anderson, Nick | (LDJS1947) | FLORIDA HEAT | 14.8 |
| 35. | Kimbrel, Craig | (filler8) | 77 Smelly Sox | 14.9 |
| 36. | Williams, Devin | (arcticwolf30) | Jacksonville Bulldogs | 14.7 |
| 37. | Diaz, Edwin | (LDJS1947) | BEACH BOYS SUNFLOWER | 14.7 |
| 38. | May, Trevor | (wyattow2010) | Valenwood Bosmers | 14.9 |
| 39. | Williams, Devin | (jim2miller) | Daytona Hammerheads | 14.7 |
| 40. | Hendriks, Liam | (Hozsux69) | Pattaya Beach Pimps | 14.8 |
| 41. | Garrett, Amir | (wyattow2010) | Valenwood Bosmers | 14.8 |
| 42. | Diaz, Edwin | (brettphillips35) | Charlotte Clydesdales | 14.7 |
| 43. | Wittgren, Nick | (mcvn4) | Carpool Champions | 14.8 |
| 44. | Parker, Blake | (harrison_gascho) | Diamond Dogs | 14.8 |
| 45. | Chapman, Aroldis | (coachmcs) | Truth Seekers | 14.6 |
| 46. | Anderson, Nick | (filler) | Boro Jokers | 14.6 |
| 47. | Chapman, Aroldis | (filler) | Alma Red Hots | 14.7 |
| 48. | Williams, Devin | (ColinBoucher) | Rancho Cucamonga Quakes | 14.6 |
| 49. | Diaz, Edwin | (MetsLegend14) | Uncle Dave’s Ding Dongs | 14.5 |
| 50. | Seanez, Rudy | (filler2) | Long beach Rebels | 14.5 |