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| League History Index | Players | Teams | Managers | Leagues | Leaderboards | Awards | Accomplishments |
| Rank | Player | OBP | YEAR | Open Career Leaderboard |
|---|---|---|---|---|
| 1 | Roy Malone# | .5328 | 1894 | |
| 2 | Roy Malone# | .5047 | 1896 | |
| 3 | Roy Malone# | .4904 | 1897 | |
| 4 | Oscar Engel# | .4887 | 1893 | |
| 5 | Oscar Engel# | .4648 | 1895 | |
| 6 | Roy Malone# | .4634 | 1895 | |
| 7 | Oscar Engel# | .4515 | 1894 | |
| 8 | Frank McGrath# | .4504 | 1896 | |
| 9 | Frank McGrath# | .4463 | 1894 | |
| 10 | Frank McGrath# | .4446 | 1897 | |
| 11 | Tom Moran# | .4413 | 1882 | |
| 12 | Charley Mertens# | .4389 | 1891 | |
| 13 | Charley Mertens# | .4355 | 1893 | |
| 14 | Frank McGrath# | .4302 | 1895 | |
| 15 | Alfred Cole# | .4295 | 1894 | |
| 16 | Frank McGrath# | .4283 | 1893 | |
| 17 | Frank McGrath# | .4245 | 1898 | |
| 18 | Oscar Engel# | .4235 | 1897 | |
| 19 | Alfred Cole# | .4156 | 1897 | |
| 20 | Mike Maguire# | .4142 | 1899 | |
| 21 | Oscar Engel# | .4108 | 1896 | |
| 22 | Charley Mertens# | .4065 | 1895 | |
| 23 | Alfred Cole# | .4054 | 1893 | |
| 24 | Horace Nolan | .4022 | 1882 | |
| 25 | Alfred Cole# | .4000 | 1896 | |
| 26 | Charley Mertens# | .3997 | 1897 | |
| 27 | Jack Cassell | .3985 | 1881 | |
| 28 | Alfred Cole# | .3977 | 1895 | |
| 29 | Frank McGrath# | .3971 | 1899 | |
| 30 | Cyrus Pittman | .3946 | 1886 | |
| 31 | Henri Bastien | .3915 | 1894 | |
| 32 | Oscar Engel# | .3908 | 1892 | |
| 33 | Joe Cook | .3902 | 1878 | |
| 34 | Charley Mertens# | .3885 | 1896 | |
| 35 | Oscar Engel# | .3877 | 1898 | |
| 36 | Silas Hartley# | .3837 | 1887 | |
| 37 | Clarence Tate# | .3836 | 1889 | |
| 38 | Lou Curzon# | .3828 | 1890 | |
| 39 | Mike Maguire# | .3826 | 1898 | |
| 40 | Otis Collier | .3814 | 1876 | |
| 41 | George Rooney | .3785 | 1893 | |
| 42 | Alfred Cole# | .3778 | 1899 | |
| 43 | Phil Goff# | .3759 | 1882 | |
| 44 | Clar Booker# | .3723 | 1894 | |
| 45 | Alfred Cole# | .3720 | 1892 | |
| 46 | Alfred Cole# | .3699 | 1898 | |
| 47 | John Martin | .3694 | 1884 | |
| 48 | Oscar Engel# | .3679 | 1899 | |
| 49 | Clarence Tate# | .3670 | 1887 | |
| 50 | Hank Seidel | .3654 | 1890 | |
| 51 | Alfred Cole# | .3609 | 1890 | |
| 52 | George Rooney | .3598 | 1891 | |
| 53 | Ray Lorenz# | .3596 | 1894 | |
| 54 | Phil Goff# | .3588 | 1881 | |
| 55 | Roy Malone# | .3587 | 1892 | |
| 56 | Harry Munroe# | .3584 | 1897 | |
| 57 | Clar Booker# | .3571 | 1896 | |
| 58 | Silas Keane# | .3561 | 1897 | |
| 59 | John Martin | .3557 | 1877 | |
| 60 | Clarence Tate# | .3543 | 1888 | |
| 61 | Walt Koenig# | .3542 | 1896 | |
| 62 | Clar Booker# | .3531 | 1891 | |
| 62 | Martin Jarvis | .3531 | 1879 | |
| 64 | Otto Keating# | .3526 | 1894 | |
| 65 | Phil Goff# | .3525 | 1878 | |
| 66 | Percy Fretwell# | .3523 | 1894 | |
| 67 | Henri Bastien | .3521 | 1897 | |
| 68 | Clarence Tate# | .3505 | 1892 | |
| 69 | Henri Bastien | .3503 | 1895 | |
| 70 | Lou Curzon# | .3481 | 1889 | |
| 71 | Steve Airington | .3479 | 1887 | |
| 71 | Will Hughes# | .3479 | 1896 | |
| 73 | Theo Black | .3477 | 1887 | |
| 74 | George Tremblay | .3469 | 1889 | |
| 75 | Steve Airington | .3466 | 1886 | |
| 76 | Otto Keating# | .3464 | 1892 | |
| 77 | Harry Munroe# | .3458 | 1898 | |
| 78 | Walt Koenig# | .3450 | 1894 | |
| 79 | Clar Booker# | .3434 | 1890 | |
| 80 | John Martin | .3425 | 1881 | |
| 81 | Clarence Tate# | .3422 | 1886 | |
| 82 | Ray Lorenz# | .3416 | 1892 | |
| 83 | Henri Bastien | .3413 | 1898 | |
| 84 | Percy Fretwell# | .3403 | 1897 | |
| 85 | Otto Keating# | .3399 | 1893 | |
| 86 | Tom Newcomb# | .3397 | 1893 | |
| 87 | Will Garside# | .3391 | 1890 | |
| 88 | Steve Airington | .3387 | 1884 | |
| 89 | Henri Bastien | .3385 | 1893 | |
| 90 | Silas Hartley# | .3368 | 1880 | |
| 91 | Henri Bastien | .3359 | 1896 | |
| 92 | Alfred Cole# | .3357 | 1891 | |
| 93 | Art Penick | .3356 | 1889 | |
| 94 | Herbert Simpson# | .3350 | 1899 | |
| 95 | Will Hughes# | .3344 | 1894 | |
| 96 | John Martin | .3341 | 1883 | |
| 97 | Henri Bastien | .3333 | 1899 | |
| 97 | Clar Booker# | .3333 | 1897 | |
| 97 | Abel Schmidt | .3333 | 1886 | |
| 97 | Percy Fretwell# | .3333 | 1899 |
