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| |
| League History Index | Players | Teams | Managers | Leagues | Leaderboards | Awards | Accomplishments |
| Rank | Player | WHIP | YEAR | Open Career Leaderboard |
|---|---|---|---|---|
| 1 | Walt Merritt# | 1.04 | 1890 | |
| 2 | Al Watson# | 1.07 | 1890 | |
| 2 | Paul Lawson# | 1.07 | 1890 | |
| 4 | Hugh Quigley# | 1.09 | 1890 | |
| 5 | Tom Volk# | 1.21 | 1890 | |
| 5 | Joe Chastain# | 1.21 | 1890 | |
| 7 | Joe Ashford# | 1.23 | 1890 | |
| 7 | George Thorndike# | 1.23 | 1890 | |
| 9 | Elmer Meier# | 1.25 | 1890 | |
| 10 | Claude Newberry# | 1.28 | 1890 | |
| 11 | Theo Crooks# | 1.29 | 1890 | |
| 12 | Edgar Kirkpatrick# | 1.31 | 1890 | |
| 13 | Bernard Bridges# | 1.32 | 1890 | |
| 13 | Ray Draper# | 1.32 | 1890 | |
| 13 | Otis OBrien# | 1.32 | 1890 | |
| 16 | Hank McCann# | 1.33 | 1890 | |
| 17 | George Beal# | 1.38 | 1890 | |
| 18 | Will Drouin# | 1.39 | 1890 | |
| 19 | Bernard Holbrook# | 1.40 | 1890 | |
| 20 | Al McDonough# | 1.42 | 1890 | |
| 21 | Bernard Sellers# | 1.43 | 1890 | |
| 22 | Lou Scudder# | 1.44 | 1890 | |
| 23 | George Copley# | 1.46 | 1890 | |
| 24 | Ezra Lockhart# | 1.48 | 1890 | |
| 25 | Cal Ames# | 1.49 | 1890 | |
| 25 | George Mulligan# | 1.49 | 1890 | |
| 27 | Hank Gibson# | 1.52 | 1890 | |
| 28 | Ed Bannister# | 1.53 | 1890 | |
| 29 | Nate Cavanagh# | 1.60 | 1890 | |
| 30 | Ed Baker# | 1.63 | 1890 | |
| 30 | Lou McElroy# | 1.63 | 1890 | |
| 32 | Walt Bollenbach# | 1.68 | 1890 | |
| 33 | Martin Callahan# | 1.71 | 1890 | |
| 34 | Charley Reinhardt# | 1.88 | 1890 | |
| 35 | Gene Wofford# | 1.91 | 1890 |
