| Date | Player | Win Seasons | | | 1890 | Edgar Kirkpatrick | 21-17, 3.09 ERA, 317.2 IP, 101 BB and 125 K | | | 1890 | Otis OBrien | 19-13, 2.82 ERA, 280.2 IP, 62 BB and 70 K | | | 1890 | George Mulligan | 18-15, 3.88 ERA, 287.2 IP, 134 BB and 66 K | | | 1890 | Al Watson | 25-7, 2.15 ERA, 297.2 IP, 86 BB and 215 K | | | 1890 | Lou Scudder | 15-8, 2.72 ERA, 202.0 IP, 89 BB and 48 K | | | 1890 | Hank Gibson | 17-24, 4.40 ERA, 358.0 IP, 131 BB and 99 K | | | 1890 | Tom Volk | 23-15, 2.64 ERA, 327.1 IP, 87 BB and 167 K | | | 1890 | Joe Chastain | 17-14, 2.33 ERA, 300.2 IP, 112 BB and 164 K | | | 1890 | George Beal | 17-10, 3.67 ERA, 221.0 IP, 86 BB and 61 K | | | 1890 | Ray Draper | 21-15, 3.97 ERA, 321.2 IP, 96 BB and 126 K | | | 1890 | Hank McCann | 21-26, 2.88 ERA, 399.1 IP, 158 BB and 128 K | | | 1890 | Elmer Meier | 24-21, 2.50 ERA, 407.1 IP, 158 BB and 243 K | | | 1890 | Joe Ashford | 17-17, 3.03 ERA, 303.1 IP, 65 BB and 129 K | | | 1890 | Walt Merritt | 25-11, 2.34 ERA, 334.1 IP, 69 BB and 181 K | | | 1890 | Theo Crooks | 17-16, 2.57 ERA, 304.1 IP, 143 BB and 208 K | | | 1890 | Hugh Quigley | 15-15, 2.09 ERA, 275.0 IP, 70 BB and 125 K | | | 1890 | Paul Lawson | 29-6, 1.74 ERA, 352.0 IP, 129 BB and 262 K | | |
