| Year | Team | Lg | Level | Unif | Org | Age | Rk | G | GS | IP | ERA | WHIP | H9 | HR9 | BB9 | SO9 | BB/SO | GB/FB | QS | HB | AB | Bavg | TBF | Pit/B | Bal | Str | Sw | Record | TR | Manager(s) |
| 1905 | Philadelphia | AL | MLB | - | pha | 20 | - | 6 | 3 | 35.1 | 4.33 | 1.47 | 10.44 | 0.51 | 2.80 | 6.11 | 0.46 | -- | 0 | 0 | 0 | -- | 0 | -- | -- | -- | -- | 92-56 | 1 | Connie Mack |
| 1906 | Philadelphia | AL | MLB | - | pha | 21 | 25 | 35 | 25 | 213.2 | 2.70 | 1.24 | 7.37 | 0.04 | 3.83 | 4.46 | 0.86 | -- | 0 | 0 | 0 | -- | 0 | -- | -- | -- | -- | 78-67 | 4 | Connie Mack |
| 1907 | Philadelphia | AL | MLB | - | pha | 22 | 8 | 42 | 28 | 261.2 | 2.34 | 1.09 | 6.88 | 0.07 | 2.92 | 5.19 | 0.56 | -- | 0 | 0 | 0 | -- | 0 | -- | -- | -- | -- | 88-57 | 2 | Connie Mack |
| 1908 | Philadelphia | AL | MLB | - | pha | 23 | 15 | 41 | 27 | 238.2 | 2.87 | 1.18 | 6.94 | 0.11 | 3.66 | 6.18 | 0.59 | -- | 0 | 0 | 0 | -- | 0 | -- | -- | -- | -- | 68-85 | 6 | Connie Mack |
| 1909 | Philadelphia | AL | MLB | - | pha | 24 | 37 | 32 | 13 | 137.1 | 2.42 | 1.22 | 7.67 | 0.07 | 3.28 | 5.18 | 0.63 | -- | 0 | 0 | 0 | -- | 0 | -- | -- | -- | -- | 95-58 | 2 | Connie Mack |
| 1910 | Philadelphia | AL | MLB | - | pha | 25 | - | 19 | 8 | 99.1 | 2.54 | 1.31 | 7.34 | -- | 4.44 | 5.35 | 0.83 | -- | 0 | 0 | 0 | -- | 0 | -- | -- | -- | -- | 102-48 | 1 | Connie Mack |
| MLB Totals (6 years) | 175 | 104 | 986 | 3 | 1.20 | 7.28 | 0.08 | 3.50 | 5.32 | 0.66 | -- | 0 | 0 | 0 | -- | 0 | -- | -- | -- | -- | .585 | -- | ||||||||