| 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) |
| 1934 | Boston | AL | MLB | 19 | bos | 26 | 24 | 33 | 23 | 198.2 | 3.49 | 1.51 | 9.06 | 0.32 | 4.48 | 3.40 | 1.32 | -- | 0 | 0 | 0 | -- | 0 | -- | -- | -- | -- | 76-76 | 4 | Bucky Harris |
| 1935 | Boston | AL | MLB | 14 | bos | 27 | - | 22 | 19 | 137.2 | 3.92 | 1.55 | 8.83 | -- | 5.10 | 2.68 | 1.90 | -- | 0 | 0 | 0 | -- | 0 | -- | -- | -- | -- | 78-75 | 4 | Joe Cronin |
| 1936 | Boston | AL | MLB | 14 | bos | 28 | 16 | 43 | 23 | 180.2 | 4.88 | 1.63 | 10.46 | 0.40 | 4.18 | 4.48 | 0.93 | -- | 0 | 0 | 0 | -- | 0 | -- | -- | -- | -- | 74-80 | 6 | Joe Cronin |
| 1937 | Boston | AL | MLB | 14 | bos | 29 | - | 25 | 7 | 86.2 | 4.98 | 1.67 | 10.49 | 0.21 | 4.57 | 3.01 | 1.52 | -- | 0 | 0 | 0 | -- | 0 | -- | -- | -- | -- | 80-72 | 5 | Joe Cronin |
| 1938 | Boston | AL | MLB | 21 | bos | 30 | 26 | 31 | 18 | 176.2 | 4.58 | 1.45 | 10.14 | 0.76 | 2.95 | 2.34 | 1.26 | -- | 0 | 0 | 0 | -- | 0 | -- | -- | -- | -- | 88-61 | 2 | Joe Cronin |
| 1939 | Boston | AL | MLB | 21 | bos | 31 | 22 | 34 | 20 | 159.1 | 4.24 | 1.45 | 9.77 | 0.34 | 3.28 | 3.45 | 0.95 | -- | 0 | 0 | 0 | -- | 0 | -- | -- | -- | -- | 89-62 | 2 | Joe Cronin |
| 1940 | Boston | AL | MLB | 21 | bos | 32 | 55 | 31 | 16 | 143.2 | 4.95 | 1.64 | 10.40 | 0.44 | 4.39 | 5.01 | 0.88 | -- | 0 | 0 | 0 | -- | 0 | -- | -- | -- | -- | 82-72 | 5 | Joe Cronin |
| 1941 | St. Louis | AL | MLB | 16 | stb | 33 | - | 15 | 2 | 46.0 | 4.50 | 1.48 | 8.80 | 0.59 | 4.50 | 3.91 | 1.15 | -- | 0 | 0 | 0 | -- | 0 | -- | -- | -- | -- | 70-84 | 7 | Luke Sewell, Fred Haney |
| 1942 | St. Louis | AL | MLB | 23 | stb | 34 | - | 10 | 4 | 43.2 | 3.71 | 1.44 | 9.48 | 0.82 | 3.50 | 4.33 | 0.81 | -- | 0 | 0 | 0 | -- | 0 | -- | -- | -- | -- | 82-69 | 3 | Luke Sewell |
| 1943 | St. Louis | AL | MLB | 23 | stb | 35 | - | 11 | 3 | 28.2 | 5.02 | 1.71 | 11.30 | 0.31 | 4.08 | 1.26 | 3.25 | -- | 0 | 0 | 0 | -- | 0 | -- | -- | -- | -- | 72-80 | 6 | Luke Sewell |
| Brooklyn | NL | MLB | 27 | brk | 35 | - | 7 | 1 | 27.1 | 3.29 | 1.21 | 6.91 | -- | 3.95 | 4.94 | 0.80 | -- | 0 | 0 | 0 | -- | 0 | -- | -- | -- | -- | 81-72 | 3 | Leo Durocher | |
| 1944 | Pittsburgh | NL | MLB | 21 | pit | 36 | 12 | 28 | 24 | 204.2 | 2.73 | 1.30 | 8.84 | 0.31 | 2.86 | 3.52 | 0.81 | -- | 0 | 0 | 0 | -- | 0 | -- | -- | -- | -- | 90-63 | 2 | Frankie Frisch |
| Brooklyn | NL | MLB | 27 | brk | 36 | 12 | 10 | 4 | 41.2 | 3.24 | 1.39 | 9.94 | 0.65 | 2.59 | 3.67 | 0.71 | -- | 0 | 0 | 0 | -- | 0 | -- | -- | -- | -- | 63-91 | 7 | Leo Durocher | |
| 1945 | Pittsburgh | NL | MLB | 21 | pit | 37 | - | 14 | 11 | 80.2 | 4.57 | 1.38 | 8.26 | 0.67 | 4.13 | 3.24 | 1.28 | -- | 0 | 0 | 0 | -- | 0 | -- | -- | -- | -- | 82-72 | 4 | Frankie Frisch |
| 1946 | Pittsburgh | NL | MLB | 21 | pit | 38 | 16 | 27 | 25 | 193.1 | 2.84 | 1.29 | 8.98 | 0.23 | 2.61 | 2.65 | 0.98 | -- | 0 | 0 | 0 | -- | 0 | -- | -- | -- | -- | 63-91 | 7 | Frankie Frisch, Spud Davis |
| 1947 | Pittsburgh | NL | MLB | 21 | pit | 39 | 20 | 26 | 24 | 183.0 | 3.84 | 1.36 | 8.90 | 0.89 | 3.34 | 3.25 | 1.03 | -- | 0 | 0 | 0 | -- | 0 | -- | -- | -- | -- | 62-92 | 7 | Billy Herman, Bill Burwell |
| 1948 | Pittsburgh | NL | MLB | 21 | pit | 40 | 45 | 23 | 22 | 134.1 | 4.42 | 1.37 | 9.58 | 0.87 | 2.75 | 2.88 | 0.95 | -- | 0 | 0 | 0 | -- | 0 | -- | -- | -- | -- | 83-71 | 4 | Billy Meyer |
| MLB Totals (15 years) | 390 | 246 | 2069 | 1 | 1.45 | 9.44 | 0.46 | 3.63 | 3.37 | 1.08 | -- | 0 | 0 | 0 | -- | 0 | -- | -- | -- | -- | .506 | -- | ||||||||