Regular Season
| Season | TM | G | GS | W | L | ERA | SO | CG | SHO | SV | IP | H | ER | R | HR | BB | HBP | WHIP |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
1913 | WSH | 2 | 1 | 0 | 1 | 2.08 | 14 | 0 | 0 | 0 | 13.0 | 8 | 3 | 4 | 0 | 7 | 1 | 1.15 |
1914 | WSH | 48 | 31 | 15 | 17 | 2.70 | 164 | 15 | 5 | 4 | 257.0 | 198 | 77 | 99 | 3 | 137 | 8 | 1.30 |
1915 | WSH | 25 | 18 | 6 | 11 | 2.50 | 78 | 7 | 1 | 1 | 133.0 | 102 | 37 | 50 | 2 | 76 | 2 | 1.34 |
1916 | WSH | 26 | 9 | 3 | 8 | 2.62 | 44 | 5 | 2 | 1 | 106.1 | 86 | 31 | 36 | 1 | 50 | 2 | 1.28 |
1917 | WSH | 47 | 31 | 15 | 14 | 3.21 | 118 | 15 | 2 | 1 | 266.1 | 233 | 95 | 118 | 1 | 123 | 1 | 1.34 |
1918 | WSH | 41 | 30 | 16 | 12 | 2.42 | 129 | 14 | 4 | 1 | 241.1 | 201 | 65 | 88 | 2 | 90 | 1 | 1.21 |
1919 | WSH | 45 | 37 | 17 | 17 | 2.73 | 128 | 23 | 3 | 5 | 306.2 | 274 | 93 | 118 | 5 | 101 | 5 | 1.22 |
1920 | WSH | 38 | 32 | 11 | 18 | 4.27 | 88 | 17 | 0 | 1 | 236.1 | 285 | 112 | 127 | 12 | 87 | 4 | 1.57 |
1921 | WSH | 15 | 5 | 1 | 0 | 7.36 | 4 | 0 | 0 | 2 | 40.1 | 59 | 33 | 37 | 2 | 17 | 0 | 1.88 |
| Career | 287 | 194 | 84 | 98 | 3.07 | 767 | 96 | 17 | 16 | 1600.1 | 1,446 | 546 | 677 | 28 | 688 | 24 | 1.33 |
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