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| League History Index | Players | Teams | Managers | Leagues | Leaderboards | Awards | Accomplishments |
| Rank | Player | OBP | YEAR | Open Career Leaderboard |
|---|---|---|---|---|
| 1 | Charles Brown | .5364 | 1888 | |
| 2 | Tom Sidberry | .5230 | 1894 | |
| 3 | Bob James | .5148 | 1885 | |
| 4 | Silas Keane# | .5059 | 1886 | |
| 5 | Tom Sidberry | .5009 | 1893 | |
| 6 | Ike Holman# | .4975 | 1886 | |
| 7 | Ed Monahan# | .4967 | 1886 | |
| 8 | Nate Hill | .4936 | 1885 | |
| 9 | Tom Sidberry | .4925 | 1895 | |
| 10 | Silas Allen | .4881 | 1885 | |
| 11 | Charles William | .4821 | 1886 | |
| 12 | Otis Dalton# | .4816 | 1898 | |
| 13 | Tom Sidberry | .4806 | 1897 | |
| 14 | Hank Cronin | .4793 | 1892 | |
| 15 | Otis Dalton# | .4784 | 1895 | |
| 16 | Tom Sidberry | .4780 | 1898 | |
| 17 | Tom Sidberry | .4779 | 1896 | |
| 18 | Lou Jewett# | .4743 | 1891 | |
| 19 | Roy Bledsoe | .4716 | 1892 | |
| 20 | Hank Chisholm# | .4696 | 1896 | |
| 21 | Charles William | .4667 | 1885 | |
| 22 | Otis Dalton# | .4657 | 1893 | |
| 23 | Theo Hanrahan# | .4655 | 1886 | |
| 24 | Roy Bledsoe | .4635 | 1893 | |
| 25 | Ned Flannery# | .4627 | 1899 | |
| 26 | Tom Sidberry | .4622 | 1892 | |
| 27 | Hank Cronin | .4608 | 1893 | |
| 28 | Peter Bradley | .4604 | 1888 | |
| 29 | Nate Hauser | .4590 | 1896 | |
| 30 | Emanuel Loftin | .4583 | 1888 | |
| 31 | Theo Hanrahan# | .4582 | 1885 | |
| 32 | Rufus Thomas# | .4579 | 1895 | |
| 33 | Sam Tilden# | .4566 | 1897 | |
| 34 | Mike Sullivan# | .4530 | 1899 | |
| 35 | Joe Watlington# | .4527 | 1886 | |
| 36 | Sam Tilden# | .4526 | 1898 | |
| 37 | Frank Hunter# | .4525 | 1899 | |
| 38 | Silas Hartley# | .4523 | 1896 | |
| 39 | Otis Dalton# | .4506 | 1896 | |
| 40 | Mike Sullivan# | .4501 | 1898 | |
| 41 | Tim Lemessurier# | .4486 | 1894 | |
| 42 | Nate Hauser | .4459 | 1893 | |
| 43 | Andy Stanhope | .4455 | 1896 | |
| 44 | Otis Dalton# | .4453 | 1884 | |
| 45 | Tim Lemessurier# | .4451 | 1893 | |
| 46 | Alfred Poirier | .4446 | 1886 | |
| 47 | Oscar Curley# | .4441 | 1887 | |
| 47 | Otis Dalton# | .4441 | 1892 | |
| 49 | Nate Hauser | .4437 | 1892 | |
| 50 | Hank Chisholm# | .4426 | 1895 | |
| 51 | Charles William | .4424 | 1887 | |
| 52 | George Tremblay | .4422 | 1885 | |
| 53 | Joe Osborn# | .4416 | 1891 | |
| 54 | Ed Monahan# | .4412 | 1885 | |
| 55 | George Duncan# | .4409 | 1893 | |
| 56 | Otis Dalton# | .4402 | 1897 | |
| 57 | Joe Osborn# | .4390 | 1898 | |
| 58 | Tom Sidberry | .4379 | 1899 | |
| 59 | Joe Osborn# | .4375 | 1899 | |
| 60 | Joe Osborn# | .4374 | 1892 | |
| 60 | Silas Hartley# | .4374 | 1893 | |
| 62 | Bob James | .4365 | 1886 | |
| 63 | Dan Moriarty# | .4364 | 1898 | |
| 64 | Silas Hartley# | .4362 | 1899 | |
| 65 | Rufus Thomas# | .4357 | 1898 | |
| 66 | Nate Hauser | .4348 | 1895 | |
| 67 | Andy Stanhope | .4344 | 1899 | |
| 68 | Milton Beach# | .4338 | 1893 | |
| 69 | Hank Cronin | .4336 | 1894 | |
| 70 | Oscar Kirby# | .4333 | 1885 | |
| 71 | Milton Beach# | .4331 | 1885 | |
| 72 | Nate Hauser | .4326 | 1894 | |
| 73 | Charlie Rodgers | .4315 | 1886 | |
| 74 | Alan Caldwell | .4310 | 1886 | |
| 75 | Ike Radcliffe | .4304 | 1886 | |
| 76 | John McLaurin | .4294 | 1886 | |
| 77 | Otis Bey# | .4291 | 1893 | |
| 77 | Will Daniels | .4291 | 1887 | |
| 79 | Bob James | .4282 | 1884 | |
| 80 | Silas Allen | .4272 | 1884 | |
| 81 | Lou Staten# | .4266 | 1887 | |
| 82 | Tom Sidberry | .4249 | 1891 | |
| 83 | Chester MacDonald# | .4248 | 1896 | |
| 84 | Lou Lindley | .4242 | 1885 | |
| 85 | Al Lynn# | .4237 | 1891 | |
| 86 | Andy Stanhope | .4235 | 1897 | |
| 87 | Al Lynn# | .4233 | 1898 | |
| 88 | Art Clapp# | .4232 | 1892 | |
| 89 | Will Daniels | .4228 | 1886 | |
| 89 | Ray Kearney# | .4228 | 1891 | |
| 91 | Alan Caldwell | .4224 | 1887 | |
| 92 | Otis Dalton# | .4223 | 1899 | |
| 93 | Frederick Markle# | .4222 | 1893 | |
| 94 | Walt McGee# | .4220 | 1896 | |
| 95 | Andy Stanhope | .4218 | 1891 | |
| 96 | Elmer Selders | .4211 | 1887 | |
| 96 | Pat Ellis | .4211 | 1886 | |
| 98 | Denny McClister# | .4204 | 1896 | |
| 99 | Tim Lemessurier# | .4203 | 1892 | |
| 100 | Silas Hartley# | .4191 | 1898 |
