 |
| |
| League History Index | Players | Teams | Managers | Leagues | Leaderboards | Awards | Accomplishments |
| Rank | Player | SLG | YEAR | Open Season Leaderboard |
|---|---|---|---|---|
| 1 | Frank McGrath# | .5014 | 1892-1907 | |
| 2 | Mike Maguire# | .4991 | 1898-1907 | |
| 3 | Roy Malone# | .4185 | 1892-1907 | |
| 4 | Oscar Engel | .4138 | 1892-1905 | |
| 5 | Will Hughes# | .3946 | 1890-1907 | |
| 6 | Phil Goff | .3883 | 1878-1901 | |
| 7 | Art Penick | .3748 | 1881-1897 | |
| 8 | Clar Booker | .3713 | 1890-1904 | |
| 9 | Dave Miller# | .3706 | 1903-1907 | |
| 10 | Walt Koenig | .3647 | 1887-1899 | |
| 11 | Clarence Tate | .3643 | 1885-1907 | |
| 12 | Alfred Cole | .3570 | 1890-1905 | |
| 13 | Hank Seidel | .3519 | 1880-1895 | |
| 14 | Al Dauzat# | .3474 | 1902-1907 | |
| 15 | Cal Middleton | .3454 | 1880-1900 | |
| 16 | Percy Fretwell | .3362 | 1892-1905 | |
| 17 | Henri Bastien | .3230 | 1886-1899 | |
| 18 | Jack Callery# | .3064 | 1897-1907 | |
| 19 | Dave Barry# | .3049 | 1901-1907 | |
| 20 | Jim Weldon | .2907 | 1898-1904 | |
| 21 | Jack Kinsella# | .2827 | 1894-1907 |
