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| League History Index | Players | Teams | Managers | Leagues | Leaderboards | Awards | Accomplishments |
| Rank | Player | OBP | YEAR | Open Career Leaderboard |
|---|---|---|---|---|
| 1 | Bob Bailey | .6792 | 1889 | |
| 2 | Oliver Westbrook | .5835 | 1885 | |
| 3 | Ludwig Braun | .5811 | 1889 | |
| 4 | Pete Harris | .5658 | 1886 | |
| 5 | Oliver Cabot | .5441 | 1889 | |
| 6 | Frank Engle | .5414 | 1889 | |
| 7 | Dick Conant | .5372 | 1889 | |
| 8 | Tom Connelly | .5318 | 1889 | |
| 9 | Oliver Westbrook | .5253 | 1886 | |
| 10 | Lou Adler | .5245 | 1889 | |
| 11 | Ben Bishop | .5217 | 1889 | |
| 12 | Lou Dustin | .5203 | 1889 | |
| 13 | Jack Briggs | .5198 | 1889 | |
| 14 | Lew Damon | .5182 | 1889 | |
| 15 | Hiram Neely | .5180 | 1889 | |
| 16 | Pete Kingsbury# | .5161 | 1892 | |
| 17 | Lew Tierney | .5068 | 1889 | |
| 18 | Jack Adams | .5047 | 1887 | |
| 19 | Tom Hollister | .5036 | 1894 | |
| 20 | Joe Robie | .5015 | 1889 | |
| 21 | Edgar Monroe | .5008 | 1886 | |
| 22 | Pedro Castillo# | .4972 | 1897 | |
| 23 | Frank Harmon | .4929 | 1885 | |
| 24 | Edgar Wilson | .4928 | 1889 | |
| 25 | William Clancy | .4927 | 1897 | |
| 26 | Gene Saunders | .4913 | 1889 | |
| 27 | Henri Lavigne | .4882 | 1889 | |
| 28 | Pete Harris | .4879 | 1887 | |
| 29 | Ed Jarrell | .4871 | 1889 | |
| 30 | Joe Gompers# | .4851 | 1899 | |
| 31 | Pedro Castillo# | .4827 | 1895 | |
| 32 | Silas Roby | .4800 | 1889 | |
| 33 | Bob Bailey | .4788 | 1887 | |
| 34 | Tom Hollister | .4785 | 1893 | |
| 35 | Irving Sullivan | .4781 | 1889 | |
| 36 | Zach Carter | .4769 | 1886 | |
| 37 | Pedro Castillo# | .4744 | 1896 | |
| 38 | Tom Newcomb | .4735 | 1895 | |
| 39 | Silas Williams | .4727 | 1889 | |
| 40 | Jack Rawlins | .4715 | 1886 | |
| 41 | Art Henshaw | .4684 | 1889 | |
| 42 | Art Phelps | .4670 | 1889 | |
| 43 | Jack Cornwell | .4659 | 1889 | |
| 44 | Frank Harmon | .4655 | 1886 | |
| 45 | Joe Wellman | .4651 | 1885 | |
| 46 | Jacob Lewis | .4645 | 1885 | |
| 46 | Tom Hollister | .4645 | 1892 | |
| 48 | Bob Bailey | .4643 | 1890 | |
| 49 | Ephraim Gallagher | .4632 | 1891 | |
| 50 | Pedro Castillo# | .4627 | 1894 | |
| 51 | Charles Ainsworth# | .4601 | 1897 | |
| 52 | Tom Maddox | .4588 | 1889 | |
| 53 | Roy Geter | .4569 | 1889 | |
| 54 | Ludwig Braun | .4561 | 1890 | |
| 55 | Dan Cunningham | .4556 | 1889 | |
| 56 | Jim Vickman# | .4545 | 1896 | |
| 57 | Will Howe | .4537 | 1889 | |
| 58 | Zach Carter | .4534 | 1887 | |
| 59 | Jerry Nymeyer# | .4533 | 1901 | |
| 60 | Will Colcord | .4524 | 1889 | |
| 61 | Martin Conway | .4502 | 1889 | |
| 62 | David Doyle | .4491 | 1895 | |
| 63 | Hal Ryder | .4480 | 1895 | |
| 64 | Frank McGrath# | .4475 | 1900 | |
| 65 | Otis Collier | .4471 | 1898 | |
| 65 | Simon Merrill | .4471 | 1885 | |
| 67 | Lew Tierney | .4459 | 1886 | |
| 68 | Vic Allmon | .4456 | 1889 | |
| 69 | Chick Brossard | .4440 | 1886 | |
| 70 | Walt Tuttle | .4419 | 1889 | |
| 71 | Gene Ellerbe | .4414 | 1892 | |
| 72 | Ted Short# | .4411 | 1897 | |
| 73 | Otis Boone | .4399 | 1889 | |
| 74 | Dudley Lambert# | .4395 | 1900 | |
| 75 | David Doyle | .4382 | 1891 | |
| 76 | Ray Redman | .4381 | 1889 | |
| 77 | Harvey Gibbons | .4350 | 1894 | |
| 78 | Alfred Charbonneau | .4349 | 1892 | |
| 79 | Jim Weldon | .4348 | 1895 | |
| 80 | Ike Walling | .4340 | 1889 | |
| 81 | Jasper Milson | .4313 | 1893 | |
| 82 | Gavvy Hubbard# | .4312 | 1905 | |
| 83 | Alfred Berryman | .4302 | 1896 | |
| 84 | Eddie Locker# | .4297 | 1901 | |
| 84 | John Brooks# | .4297 | 1900 | |
| 86 | Bob Bailey | .4288 | 1892 | |
| 87 | Jasper Milson | .4283 | 1891 | |
| 88 | Mike Flynn | .4275 | 1893 | |
| 88 | Otis Collier | .4275 | 1897 | |
| 90 | Gene Ellerbe | .4270 | 1894 | |
| 90 | Roy Alcott# | .4270 | 1900 | |
| 92 | Tom Hollister | .4264 | 1891 | |
| 92 | Frank Patterson | .4264 | 1895 | |
| 94 | Elmer Davis | .4256 | 1892 | |
| 95 | David Doyle | .4248 | 1898 | |
| 96 | Joe Underhill | .4246 | 1900 | |
| 97 | John Patrick | .4245 | 1886 | |
| 98 | Alfred Dwyer | .4233 | 1887 | |
| 99 | Hal Ryder | .4227 | 1894 | |
| 100 | Ed Dobrin# | .4219 | 1901 |
