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 | (filler8) | Cooperstown Hall of Famers | .399 |
| 2. | Sisler, George | (sammy-z) | Minneapolis Maximums | .398 |
| 3. | Jennings, Hughie | (Shpennymons) | New York Highlanders | .397 |
| 4. | Hamilton, Billy | (sheikyerboudi) | High Desert Gunslingers | .396 |
| 5. | Keeler, Willie | (billyconn) | Glasgow Clansman | .396 |
| 6. | Jackson, Joe | (billyconn) | Glasgow Clansman | .395 |
| 7. | Goslin, Goose | (hamburglar) | I Maul Children | .392 |
| 8. | Cobb, Ty | (hootjohnson) | Louisville Colonel’s Klink | .392 |
| 9. | Hamilton, Billy | (DaveH) | Ladson Dodgers | .391 |
| 10. | Sisler, George | (hamburglar) | I Maul Children | .391 |
| 11. | Hamilton, Billy | (noleary) | Louisville Colonels | .391 |
| 12. | Duffy, Hugh | (Shpennymons) | Oyster Bay Eagles | .390 |
| 13. | Tucker, Tommy | (Fungoking) | Tulsa Drillers | .389 |
| 14. | Jennings, Hughie | (Shpennymons) | Chesapeake Oysters | .388 |
| 15. | Jackson, Joe | (Shpennymons) | Transylvania Tigers | .388 |
| 16. | Meyerle, Levi | (Lostit) | Las Vegas Lost Orphans | .387 |
| 17. | Clements, Jack | (charlesgant68) | Baseball Sim Drunkards | .387 |
| 18. | Williams, Ted | Four Hossman | .387 | |
| 19. | Cobb, Ty | (rawlscl78) | Gotham Knights | .387 |
| 20. | Hornsby, Rogers | (gibblets1973) | Long Beach NL Lawmen | .387 |
| 21. | Meyerle, Levi | (mdsyverson) | Aguascalientes Sarape Makers | .387 |
| 22. | Browning, Pete | (Fungoking) | South Hampton Pioneers | .385 |
| 23. | Thompson, Sam | (rawlscl78) | Hanson Brothers | .385 |
| 24. | Jackson, Joe | (GoYanks1981) | Abilene Flying Bison | .383 |
| 25. | Hamilton, Billy | (Fungoking) | New York Highlanders | .383 |
| 26. | Duffy, Hugh | (Fungoking) | PHILADELPHIA STATESMEN | .383 |
| 27. | McGraw, John | (billyconn) | Boston Beaneaters | .383 |
| 28. | Cobb, Ty | (LDJS1947) | AMERICAN DREAMS | .383 |
| 29. | Meyerle, Levi | (rowdy1982) | Loudon Legends | .383 |
| 30. | Speaker, Tris | (michelb3514) | Iowa Corn Pickers | .383 |
| 31. | Sisler, George | (filler) | Elmira Pioneers | .383 |
| 32. | Cobb, Ty | (mattholland1975) | Salida Sheriffs | .383 |
| 33. | Clarke, Fred | (sheikyerboudi) | Punxsutawney Phils | .382 |
| 34. | Jennings, Hughie | (Shpennymons) | Coco B-Wares | .382 |
| 35. | Jackson, Joe | Oakland Wide Awakes | .382 | |
| 36. | Cobb, Ty | (richgibson) | Kaiser Baldwin Park Charlatans | .382 |
| 37. | Hamilton, Billy | (Fungoking) | Hamilton Hornets | .381 |
| 38. | Jennings, Hughie | (RedsHawk) | RED Bengals | .381 |
| 39. | Browning, Pete | (Lostit) | Las Vegas Lost Orphans | .381 |
| 40. | Bumbry, Al | (DaveH) | Ladson Cougars | .381 |
| 41. | Clarke, Fred | (andyyoung) | Heltonville Xolos | .380 |
| 42. | Stengel, Casey | (czierk) | Ridge Barking Spiders | .379 |
| 43. | McGee, Willie | (ThEiRoNhOrSe04) | Town Ball Townies | .379 |
| 44. | Meyerle, Levi | (Lostit) | Las Vegas Lost Orphans | .379 |
| 45. | Clarke, Fred | (filler) | Redland Bumblers | .379 |
| 46. | O'Doul, Lefty | (morangslick) | Chicago Whales | .379 |
| 47. | Duffy, Hugh | No Chance In Hell | .379 | |
| 48. | Cobb, Ty | (DaveH) | Brooklyn Robins | .378 |
| 49. | Helton, Todd | (befulton) | Flagstaff Dogs | .378 |
| 50. | Meyerle, Levi | (richgibson) | MK ULTRAS | .378 |
