| 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) |
| 1938 | NY Yankees | AL | MLB | 28 | nyy | 27 | - | 2 | 2 | 12.0 | 5.25 | 1.75 | 5.25 | -- | 10.50 | 4.50 | 2.33 | -- | 0 | 0 | 0 | -- | 0 | -- | -- | -- | -- | 99-53 | 1 | Joe McCarthy |
| 1939 | NY Yankees | AL | MLB | 28 | nyy | 28 | 18 | 24 | 20 | 153.0 | 3.71 | 1.33 | 8.47 | 0.71 | 3.53 | 3.24 | 1.09 | -- | 0 | 0 | 0 | -- | 0 | -- | -- | -- | -- | 106-45 | 1 | Joe McCarthy |
| 1940 | NY Yankees | AL | MLB | 28 | nyy | 29 | - | 24 | 11 | 118.2 | 3.03 | 1.45 | 8.57 | 0.83 | 4.47 | 4.55 | 0.98 | -- | 0 | 0 | 0 | -- | 0 | -- | -- | -- | -- | 88-66 | 3 | Joe McCarthy |
| 1941 | NY Yankees | AL | MLB | 28 | nyy | 30 | 22 | 22 | 20 | 159.0 | 3.57 | 1.32 | 7.98 | 0.62 | 3.91 | 4.02 | 0.97 | -- | 0 | 0 | 0 | -- | 0 | -- | -- | -- | -- | 101-53 | 1 | Joe McCarthy |
| 1942 | NY Yankees | AL | MLB | 28 | nyy | 31 | 59 | 20 | 19 | 147.2 | 3.11 | 1.21 | 8.11 | 0.37 | 2.74 | 3.23 | 0.85 | -- | 0 | 0 | 0 | -- | 0 | -- | -- | -- | -- | 103-51 | 1 | Joe McCarthy |
| 1943 | NY Yankees | AL | MLB | 28 | nyy | 32 | 49 | 22 | 15 | 119.1 | 4.60 | 1.44 | 10.11 | 0.75 | 2.87 | 4.30 | 0.67 | -- | 0 | 0 | 0 | -- | 0 | -- | -- | -- | -- | 98-56 | 1 | Joe McCarthy |
| 1944 | NY Yankees | AL | MLB | 28 | nyy | 33 | 41 | 30 | 19 | 159.0 | 3.34 | 1.46 | 9.79 | 0.74 | 3.34 | 2.72 | 1.23 | -- | 0 | 0 | 0 | -- | 0 | -- | -- | -- | -- | 83-71 | 3 | Joe McCarthy |
| 1945 | NY Yankees | AL | MLB | 28 | nyy | 34 | 51 | 9 | 9 | 63.2 | 2.97 | 1.37 | 8.76 | 0.42 | 3.53 | 2.69 | 1.32 | -- | 0 | 0 | 0 | -- | 0 | -- | -- | -- | -- | 81-71 | 4 | Joe McCarthy |
| MLB Totals (8 years) | 153 | 115 | 933 | 4 | 1.37 | 8.75 | 0.64 | 3.56 | 3.56 | 1.00 | -- | 0 | 0 | 0 | -- | 0 | -- | -- | -- | -- | .620 | -- | ||||||||