| 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) |
| 1944 | NY Yankees | AL | MLB | 14 | nyy | 26 | 16 | 30 | 28 | 232.0 | 3.38 | 1.31 | 8.42 | 0.47 | 3.34 | 3.06 | 1.09 | -- | 0 | 0 | 0 | -- | 0 | -- | -- | -- | -- | 83-71 | 3 | Joe McCarthy |
| 1945 | NY Yankees | AL | MLB | 14 | nyy | 27 | 41 | 26 | 20 | 151.1 | 4.64 | 1.45 | 9.34 | 0.54 | 3.69 | 2.68 | 1.38 | -- | 0 | 0 | 0 | -- | 0 | -- | -- | -- | -- | 81-71 | 4 | Joe McCarthy |
| 1948 | Philadelphia | NL | MLB | 34 | phi | 30 | 33 | 37 | 17 | 150.1 | 3.89 | 1.31 | 8.32 | 0.78 | 3.47 | 2.51 | 1.38 | -- | 0 | 0 | 0 | -- | 0 | -- | -- | -- | -- | 66-88 | 6 | Ben Chapman, Eddie Sawyer, Dusty Cooke |
| 1949 | Chi Cubs | NL | MLB | 26 | chc | 31 | 44 | 32 | 20 | 147.2 | 4.14 | 1.33 | 8.65 | 0.98 | 3.29 | 3.17 | 1.04 | -- | 0 | 0 | 0 | -- | 0 | -- | -- | -- | -- | 61-93 | 8 | Frankie Frisch, Charlie Grimm |
| 1950 | Chi Cubs | NL | MLB | 26 | chc | 32 | 49 | 39 | 12 | 142.2 | 4.16 | 1.54 | 9.59 | 0.76 | 4.23 | 3.22 | 1.31 | 1.05 | 0 | 0 | 0 | -- | 0 | -- | 43.6 | 56.4 | 5.9 | 64-89 | 7 | Frankie Frisch |
| 1951 | Chi Cubs | NL | MLB | 26 | chc | 33 | 50 | 22 | 0 | 54.2 | 2.30 | 1.24 | 7.57 | 0.49 | 3.62 | 3.13 | 1.16 | 1.00 | 0 | 0 | 0 | -- | 0 | -- | 36.0 | 64.0 | 8.0 | 62-92 | 8 | Phil Cavarretta, Frankie Frisch |
| 1952 | Chi Cubs | NL | MLB | 26 | chc | 34 | - | 1 | 0 | 0.2 | 0.00 | 1.50 | 13.50 | -- | 0.00 | 13.50 | 0.00 | -- | 0 | 0 | 0 | -- | 0 | -- | -- | -- | -- | 77-77 | 5 | Phil Cavarretta |
| MLB Totals (7 years) | 187 | 97 | 880 | 6 | 1.37 | 8.73 | 0.66 | 3.57 | 2.96 | 1.21 | 1.04 | 0 | 0 | 0 | -- | 0 | -- | 43.2 | 56.8 | 6.0 | .460 | -- | ||||||||