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| |
| League History Index | Players | Teams | Managers | Leagues | Leaderboards | Awards | Accomplishments |
| Rank | Player | WHIP | YEAR | Open Postseason Career Leaderboard |
|---|---|---|---|---|
| 1 | Pete Van Artsdalen# | 0.57 | 1907 | |
| 2 | Frank Dransfield# | 0.73 | 1907 | |
| 3 | Jim Hess# | 0.88 | 1906 | |
| 4 | Ed Sparks# | 0.93 | 1904 | |
| 5 | Daniel Pauley# | 0.94 | 1906 | |
| 6 | Bill Hanrahan# | 0.95 | 1906 | |
| 7 | Bill Austin# | 1.00 | 1904 | |
| 8 | Charley Pfeiffer# | 1.06 | 1905 | |
| 8 | Bill Hanrahan# | 1.06 | 1907 | |
| 8 | Ed Sparks# | 1.06 | 1905 | |
| 8 | Jim Hess# | 1.06 | 1905 | |
| 12 | Frank Dransfield# | 1.10 | 1906 | |
| 13 | John Jenkins# | 1.11 | 1905 | |
| 13 | Harry Hartmann# | 1.11 | 1897 | |
| 15 | Ed Sparks# | 1.12 | 1907 | |
| 16 | Paul Dexter# | 1.15 | 1895 | |
| 17 | Rudy Hartley# | 1.20 | 1904 | |
| 18 | Hank Ludlow | 1.22 | 1896 | |
| 18 | Bernard Bridges# | 1.22 | 1905 | |
| 18 | Elmer Meier# | 1.22 | 1904 | |
| 21 | Rufus Barrell# | 1.27 | 1894 | |
| 22 | Frank Hawthorne# | 1.29 | 1907 | |
| 23 | Lew Stiggers | 1.38 | 1897 | |
| 24 | Pete Van Artsdalen# | 1.47 | 1906 | |
| 24 | Jim Hess# | 1.47 | 1907 | |
| 24 | Pete Van Artsdalen# | 1.47 | 1904 | |
| 24 | Lew Stiggers | 1.47 | 1895 | |
| 28 | Ed Sparks# | 1.53 | 1906 | |
| 29 | Jack Pendleton | 1.59 | 1896 | |
| 30 | Lew Stiggers | 1.73 | 1896 | |
| 31 | Dan Kimball | 1.75 | 1895 | |
| 32 | Lew Stiggers | 1.76 | 1894 | |
| 33 | Bernard Bridges# | 1.93 | 1896 | |
| 34 | Rufus Barrell# | 1.96 | 1895 |
