Favorite Teams leagues are not included in Single-Season records. Records only remain for 10 seasons.
Single-Season Leaders (At Bats)
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. | McVey, Cal | (Shpennymons) | Bally Black Widows | 780 |
| 2. | Wagner, Honus | (ljbrewer3) | Burlington Bees | 759 |
| 3. | Lange, Bill | (NickHo) | South Park Cows | 758 |
| 4. | Frisch, Frankie | (filler) | Hoboken Playboys | 757 |
| 5. | McVey, Cal | Deadly Smile | 756 | |
| 6. | Sisler, George | (AJHawk) | San Clemente Red Devils | 755 |
| 7. | Meyerle, Levi | (Lostit) | Chicago's Lost Orphans | 753 |
| 8. | Sisler, George | Terrible Horribles | 753 | |
| 9. | Travis, Cecil | (richgibson) | GRAND INQUISITORS | 753 |
| 10. | McVey, Cal | (Lostit) | Chicago Lost Orphans | 753 |
| 11. | Keeler, Willie | (ljbrewer3) | Burlington Bees | 752 |
| 12. | Keeler, Willie | (gt049) | Vanden Vikings | 752 |
| 13. | Collins, Eddie | (SDWriter) | October Daze | 751 |
| 14. | Speaker, Tris | (richgibson) | Lawrence Strikers | 751 |
| 15. | Soriano, Alfonso | (Bears19) | Ravenna Dragons | 751 |
| 16. | Frisch, Frankie | (stengel28) | Willoughby REDLEGS | 750 |
| 17. | Speaker, Tris | (richgibson) | Lawrence Strikers | 748 |
| 18. | McVey, Cal | (teebird) | Marist RedFoxes | 748 |
| 19. | Brouthers, Dan | (NickHo) | South Park Cows | 748 |
| 20. | Wingo, Al | (jwbsavages) | Los Angeles Sharks | 748 |
| 21. | Martin, Pepper | (helikid) | Birch Bay Bumbershoots | 747 |
| 22. | Adams, Sparky | (Nuroc) | Darquest Before Dawn | 747 |
| 23. | Keeler, Willie | Texas War Eagles | 747 | |
| 24. | Keeler, Willie | (ljbrewer3) | Burlington Bees | 747 |
| 25. | Keeler, Willie | (ironwill1) | Cleveland Naps | 747 |
| 26. | Cobb, Ty | (sheikyerboudi) | High Desert Mavericks | 746 |
| 27. | Veach, Bobby | (Lostit) | Chicago's Lost Orphans | 746 |
| 28. | Barnes, Ross | (Shpennymons) | Bally Black Widows | 745 |
| 29. | Collins, Eddie | Starlight City Suns | 745 | |
| 30. | Keeler, Willie | (Trulaia) | Mountain Valley Mustangs | 745 |
| 31. | Cobb, Ty | (Bears19) | Beaverton Barnacles | 745 |
| 32. | McVey, Cal | (Lostit) | Chicago's Lost Orphans | 745 |
| 33. | Turner, Tuck | Buffalo Bandits | 744 | |
| 34. | Paschal, Ben | (Bluesig) | Peñablanca Spartans | 744 |
| 35. | Meyerle, Levi | (dmanofgod1) | East Coast Clubbers | 744 |
| 36. | Comiskey, Charlie | (ricksrookies) | Ricks Simulators | 744 |
| 37. | Frisch, Frankie | (RonnySunshine) | Savoy Slugs | 743 |
| 38. | Paschal, Ben | (philtomney) | Rochester Redwings | 743 |
| 39. | Castillo, Luis | (nickervin) | Iowa Ducks | 743 |
| 40. | Manush, Heinie | (jpcortez) | Royal Canadians | 742 |
| 41. | Turner, Tuck | (Trulaia) | Mountain Valley Mustangs | 742 |
| 42. | Keeler, Willie | (Lostit) | Chicago's Lost Orphans | 741 |
| 43. | Burkett, Jesse | New Orleans Highlanders | 741 | |
| 44. | Keeler, Willie | (CubanLou) | Miami Cubans | 741 |
| 45. | Seymour, Cy | (samwhitworth) | West Dakota Slime | 740 |
| 46. | Sisler, George | (dshearer) | Kingston Connections | 740 |
| 47. | Meyerle, Levi | (baseball4ever) | Panama Canal Builders | 740 |
| 48. | Rollins, Jimmy | (Montanajack) | Berkeley Bees | 740 |
| 49. | Combs, Earle | (aaabob) | Windsor White's Other I's | 740 |
| 50. | Jackson, Joe | (ironwill1) | Fargo Warriors | 740 |