Favorite Teams leagues are not included in Single-Season records. Records only remain for 10 seasons.
Single-Season Leaders (Average)
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. | Meyerle, Levi | (filler) | Cooperstown Hall of Famers | .399 |
| 2. | Keeler, Willie | (billyconn) | Glasgow Clansman | .396 |
| 3. | Goslin, Goose | (Bears9) | Bucheon Everglow | .392 |
| 4. | Cobb, Ty | (Donkasu) | Louisville Colonels | .392 |
| 5. | Sisler, George | (Bears9) | Bucheon Everglow | .391 |
| 6. | Hamilton, Billy | (noleary) | Louisville Colonels | .391 |
| 7. | Duffy, Hugh | (Shpennymons) | Oyster Bay Eagles | .390 |
| 8. | Tucker, Tommy | (Fungoking) | Tulsa Drillers | .389 |
| 9. | Meyerle, Levi | (Lostit) | Las Vegas Lost Orphans | .387 |
| 10. | Clements, Jack | (Texashorns2023) | Baseball Sim Drunkards | .387 |
| 11. | Williams, Ted | Four Hossman | .387 | |
| 12. | Cobb, Ty | (GoYanks1981) | Gotham Knights | .387 |
| 13. | Hornsby, Rogers | (gibblets1973) | Long Beach NL Lawmen | .387 |
| 14. | Meyerle, Levi | (hootjohnson) | Baaulsak Pantaloon Dead Balls | .387 |
| 15. | Browning, Pete | (Fungoking) | South Hampton Pioneers | .385 |
| 16. | Thompson, Sam | (REVEJB) | Joyce Brothers | .385 |
| 17. | Hamilton, Billy | (Fungoking) | New York Highlanders | .383 |
| 18. | McGraw, John | (billyconn) | Boston Beaneaters | .383 |
| 19. | Meyerle, Levi | (dynasty) | Cesenatico Legends | .383 |
| 20. | Sisler, George | (filler) | Elmira Pioneers | .383 |
| 21. | Clarke, Fred | (sheikyerboudi) | Punxsutawney Phils | .382 |
| 22. | Jackson, Joe | (philtomney) | Oakland Wide Awakes | .382 |
| 23. | Cobb, Ty | (dynasty8) | HARTFORD HILLBILLIES | .382 |
| 24. | Hamilton, Billy | (Fungoking) | Hamilton Hornets | .381 |
| 25. | Jennings, Hughie | (GoYanks1981) | Okeechobee Swamp Donkey | .381 |
| 26. | Browning, Pete | (Lostit) | Las Vegas Lost Orphans | .381 |
| 27. | Bumbry, Al | (DaveH) | Ladson Cougars | .381 |
| 28. | Clarke, Fred | (Jsuer1971) | Heltonville Xolos | .380 |
| 29. | Stengel, Casey | (czierk) | Ridge Barking Spiders | .379 |
| 30. | McGee, Willie | (Artinshki) | Town Ball Townies | .379 |
| 31. | Meyerle, Levi | (Lostit) | Las Vegas Lost Orphans | .379 |
| 32. | Clarke, Fred | (ironwill1) | RED Bumblers | .379 |
| 33. | O'Doul, Lefty | (dynasty8) | Chicago Whales | .379 |
| 34. | Duffy, Hugh | (filler) | Colorado Outlaws | .379 |
| 35. | Cobb, Ty | (DaveH) | Brooklyn Robins | .378 |
| 36. | Helton, Todd | (shelley71) | Flagstaff Dick Pound | .378 |
| 37. | Stengel, Casey | (morangslick) | Dark Heart Water Dragons | .378 |
| 38. | Jennings, Hughie | (gibblets1973) | California Cleaning | .378 |
| 39. | Keeler, Willie | (GoYanks1981) | Miami VIce | .378 |
| 40. | Speaker, Tris | (philtomney) | Oakland Wide Awakes | .378 |
| 41. | Oh, Sadaharu | (filler8) | Long Island Hi Flyers | .378 |
| 42. | Delahanty, Ed | (Trulaia) | Petaluma Roadkill | .377 |
| 43. | Tucker, Tommy | (Shpennymons) | Patankin Peelers | .377 |
| 44. | O'Neill, Tip | (Fungoking) | Gainesville Green Socks | .377 |
| 45. | Simmons, Al | (GoYanks1981) | Boston Bees | .377 |
| 46. | Meyerle, Levi | (bwoodcoc) | Pittsburgh Pirates | .377 |
| 47. | Tucker, Tommy | (Shpennymons) | Coco B-Wares | .377 |
| 48. | Tucker, Tommy | (Fungoking) | Brooklyn Tip Tops | .377 |
| 49. | Jackson, Joe | (filler) | Boston Americans | .377 |
| 50. | Sisler, George | (dgeorgi) | CORKED BATS | .377 |
