Favorite Teams leagues are not included in Single-Season records. Records only remain for 10 seasons.
Single-Season Leaders (Pitcher Strikeouts)
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. | deGrom, Jacob | (Relvinmelvin) | York Yoyos | 366 |
| 2. | deGrom, Jacob | (Trulaia) | Pittsburgh Parrots | 352 |
| 3. | deGrom, Jacob | (Trulaia) | CC Cats | 351 |
| 4. | deGrom, Jacob | (iceman18) | New York Mets | 347 |
| 5. | Cole, Gerrit | (filler) | PBC Pirates | 344 |
| 6. | deGrom, Jacob | Bay City Shrimpers | 344 | |
| 7. | deGrom, Jacob | (befulton) | Maryland Crabs | 343 |
| 8. | deGrom, Jacob | (Stingers555) | Bmore Steamed Crabs | 341 |
| 9. | Verlander, Justin | (Trulaia) | CC Cats | 341 |
| 10. | deGrom, Jacob | (befulton) | Flagstaff Gorilla Kings | 340 |
| 11. | deGrom, Jacob | (ColinBoucher) | DoppelHead BobbleGängers | 338 |
| 12. | deGrom, Jacob | (Lokided) | Carolina Sharks | 338 |
| 13. | deGrom, Jacob | (befulton) | Johnson Creek BlueJays | 338 |
| 14. | Kluber, Corey | (Trulaia) | Bristol Thunder | 336 |
| 15. | deGrom, Jacob | (ColinBoucher) | DoppelHead BobbleGängers | 336 |
| 16. | deGrom, Jacob | Indee Warriors | 335 | |
| 17. | deGrom, Jacob | (joemcg) | OC Lions | 334 |
| 18. | deGrom, Jacob | (acr0320) | The Orange Newt | 334 |
| 19. | Cole, Gerrit | (Amf) | Baah Haabah King Crabs | 333 |
| 20. | deGrom, Jacob | (befulton) | Johnson Creek BlueJays | 332 |
| 21. | deGrom, Jacob | (ColinBoucher) | Lordish ShockaBras | 331 |
| 22. | deGrom, Jacob | (befulton) | Johnson Creek BlueJays | 331 |
| 23. | deGrom, Jacob | Park City Hawks | 331 | |
| 24. | deGrom, Jacob | Park City Hawks | 331 | |
| 25. | deGrom, Jacob | (mrbubbles1967) | Logans Run | 329 |
| 26. | deGrom, Jacob | (AJHawk) | Hampton Roads Neptunes | 329 |
| 27. | deGrom, Jacob | (GLOBEXcorp) | GLOBEX Corporation | 328 |
| 28. | deGrom, Jacob | (Texashorns2023) | New York Mets | 328 |
| 29. | Wheeler, Zack | (dynasty) | Dough Nuts | 328 |
| 30. | Glasnow, Tyler | (Jeepboy) | Vancouver Canadians | 327 |
| 31. | Kluber, Corey | (Trulaia) | Bristol Thunder | 327 |
| 32. | Verlander, Justin | (goastros) | Fresno Grizz | 327 |
| 33. | Sale, Chris | (Amorphis) | Milwaukee Grays | 327 |
| 34. | deGrom, Jacob | (befulton) | Flagstaff Gorilla Kings | 326 |
| 35. | deGrom, Jacob | (ColinBoucher) | Havana SugarKings | 325 |
| 36. | Martinez, Pedro | (babyave1) | Heinie Cannonballs | 324 |
| 37. | Cole, Gerrit | (dgeorgi) | STEPPIN WOLF MAGIC CARPET RIDE | 324 |
| 38. | deGrom, Jacob | (SamWhitworth) | South Dakota Spiders | 324 |
| 39. | deGrom, Jacob | (LDJS1947) | DURHAM BULLS | 324 |
| 40. | Martinez, Pedro | (Iamcota) | New Hampshire Nuked Hotdogs | 323 |
| 41. | deGrom, Jacob | (gdavis32) | THE SOUTH SIDERS | 323 |
| 42. | deGrom, Jacob | (ColinBoucher) | Havana SugarKings | 323 |
| 43. | deGrom, Jacob | Boston Americans | 323 | |
| 44. | Martinez, Pedro | (babyave1) | Boston BigHats | 323 |
| 45. | Bauer, Trevor | (greenmachine) | Toronto Green Buds | 323 |
| 46. | deGrom, Jacob | (gdavis32) | ATLANTA ACES | 323 |
| 47. | Scherzer, Max | (itchy008) | Punxsutawney Polecats | 323 |
| 48. | deGrom, Jacob | (sheikyerboudi) | High Desert Trash Pandas | 322 |
| 49. | Kluber, Corey | (03prophet) | Heritage Pointers | 322 |
| 50. | Sale, Chris | (Trulaia) | Glasgow Gladiators | 322 |
