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 | (DaveH) | Ladson Cougars | 15.9 |
| 2. | McGee, Jake | (Lostit) | Chicago Lost Cubs | 15.9 |
| 3. | Diaz, Edwin | (ScottHouston) | Bratislava Minks | 15.4 |
| 4. | Parker, Blake | (Zigwiggity) | Free Win | 15.4 |
| 5. | May, Trevor | Binghampton Bulls | 15.4 | |
| 6. | James, Josh | (filler) | Boomtown Clarks | 15.3 |
| 7. | Chapman, Aroldis | (stovejeebs) | Durango Pirates | 15.3 |
| 8. | Giles, Ken | (ssrice123) | Kiev Dynamo | 15.1 |
| 9. | Boyd, Matt | (dynasty) | Houston Mavericks | 15.2 |
| 10. | Williams, Devin | (filler) | Lexington Sign Stealers | 15.1 |
| 11. | Diaz, Edwin | New england Patriots | 15.3 | |
| 12. | Williams, Devin | (pittcontact) | Da Burgh Mighty Chins | 14.9 |
| 13. | Chapman, Aroldis | (gr33nappleboy) | The Dangerous Alliance | 15.0 |
| 14. | Barnes, Matt | (offday) | Lansing Lugnuts | 15.0 |
| 15. | Rosenthal, Trevor | (stovejeebs) | Carlisle Thundering Herd | 15.2 |
| 16. | Hader, Josh | (Trulaia) | Kentucky HeadHunters | 15.0 |
| 17. | Williams, Devin | (LDJS1947) | FREDERICKTOWN FIERY FOX | 15.0 |
| 18. | Hudson, Daniel | (mattholland1975) | Homestead Grays | 14.9 |
| 19. | Williams, Devin | (joemcg) | OC Ducks | 15.0 |
| 20. | Diaz, Edwin | Cherry Point Bombers | 15.0 | |
| 21. | Rosenthal, Trevor | (tjm) | East Coast Screwballs | 14.9 |
| 22. | Chapman, Aroldis | (tactracer) | Rainier Beeeerrrr | 14.8 |
| 23. | Leclerc, Jose | (Don55) | DD Donkeys | 15.1 |
| 24. | May, Trevor | (Sidneypointers) | Hilltop Tornados | 14.8 |
| 25. | Diaz, Edwin | (drh4740) | Vancouver Elephants | 14.8 |
| 26. | Peralta, Freddy | (gdavis32) | Iowa Corn Pickers | 14.9 |
| 27. | Trivino, Lou | (alstro11) | Macon Bacon | 14.8 |
| 28. | Marshall, Evan | (mckarcher) | Salem Sorcerers | 14.8 |
| 29. | Anderson, Nick | (Pops1) | Florida HEAT | 14.8 |
| 30. | Kimbrel, Craig | (filler8) | 77 Smelly Sox | 14.9 |
| 31. | Williams, Devin | Buruañga Mersenaryos | 14.7 | |
| 32. | Diaz, Edwin | (mattholland1975) | Bow Mar Badgers | 14.7 |
| 33. | May, Trevor | Valenwood Bosmers | 14.9 | |
| 34. | Garrett, Amir | Valenwood Bosmers | 14.8 | |
| 35. | Diaz, Edwin | (Sgt125) | Oakmont Speagles | 14.7 |
| 36. | Wittgren, Nick | (mcvn4) | Carpool Champions | 14.8 |
| 37. | Parker, Blake | (dzach) | Diamond Dogs | 14.8 |
| 38. | Chapman, Aroldis | (coachmcs) | Truth Seekers | 14.6 |
| 39. | Anderson, Nick | (dynasty) | Boro Jokers | 14.6 |
| 40. | Chapman, Aroldis | (Omar20) | Alma Red Hots | 14.7 |
| 41. | Williams, Devin | (ColinBoucher) | Rancho Cucamonga Quakes | 14.6 |
| 42. | Diaz, Edwin | Uncle Dave’s Ding Dongs | 14.5 | |
| 43. | Barnes, Matt | Dallas Cyclones | 14.5 | |
| 44. | Seanez, Rudy | (dynasty) | Long beach Rebels | 14.5 |
| 45. | Diaz, Edwin | (gpsman) | Victoria Knights | 14.5 |
| 46. | Rainey, Tanner | Boise Otters | 14.6 | |
| 47. | Barnes, Matt | (dzach) | Summerville Selenium Miners | 14.5 |
| 48. | Williams, Devin | (Brenzini) | Oakmont Nibblers | 14.5 |
| 49. | Chapman, Aroldis | (aj1983) | St. Paul Snakes | 14.5 |
| 50. | McGee, Jake | (gr33nappleboy) | HH Hurricanes | 14.6 |