Regular Season
| Season | TM | G | GS | W | L | ERA | SO | CG | SHO | SV | IP | H | ER | R | HR | BB | HBP | WHIP |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1951 | CWS | 3 | 0 | 0 | 0 | 9.35 | 4 | 0 | 0 | 1 | 8.2 | 15 | 9 | 9 | 3 | 4 | 0 | 2.19 |
| 1952 | CWS | 24 | 8 | 2 | 3 | 4.23 | 31 | 1 | 0 | 0 | 72.1 | 82 | 34 | 39 | 8 | 21 | 0 | 1.42 |
| 1953 | BOS | 30 | 25 | 11 | 6 | 4.65 | 62 | 6 | 1 | 0 | 166.1 | 177 | 86 | 94 | 16 | 57 | 0 | 1.41 |
| 1954 | BOS | 40 | 5 | 1 | 8 | 4.12 | 66 | 1 | 0 | 0 | 118.0 | 126 | 54 | 64 | 6 | 41 | 3 | 1.42 |
| 1955 | BOS | 2 | 0 | 1 | 0 | 2.25 | 2 | 0 | 0 | 0 | 4.0 | 2 | 1 | 1 | 0 | 2 | 0 | 1.00 |
| 1955 | BAL | 15 | 5 | 0 | 4 | 4.11 | 26 | 1 | 0 | 0 | 57.0 | 51 | 26 | 30 | 5 | 26 | 0 | 1.35 |
| 1955 | TOT | 17 | 5 | 1 | 4 | 3.98 | 28 | 1 | 0 | 0 | 61.0 | 53 | 27 | 31 | 5 | 28 | 0 | 1.33 |
| 1956 | BAL | 35 | 14 | 9 | 7 | 4.04 | 57 | 4 | 1 | 2 | 151.2 | 142 | 68 | 72 | 18 | 37 | 1 | 1.18 |
| 1957 | BAL | 25 | 20 | 7 | 8 | 3.90 | 62 | 7 | 2 | 1 | 150.0 | 132 | 65 | 68 | 17 | 37 | 2 | 1.13 |
| 1958 | BAL | 19 | 17 | 7 | 5 | 3.07 | 44 | 4 | 2 | 1 | 96.2 | 96 | 33 | 35 | 9 | 20 | 0 | 1.20 |
| 1959 | BAL | 31 | 21 | 11 | 9 | 3.79 | 81 | 2 | 0 | 3 | 164.0 | 158 | 69 | 73 | 16 | 32 | 1 | 1.16 |
| 1960 | BAL | 30 | 20 | 12 | 5 | 3.06 | 66 | 6 | 1 | 0 | 159.0 | 155 | 54 | 61 | 14 | 22 | 1 | 1.11 |
| 1961 | BAL | 27 | 23 | 10 | 6 | 3.19 | 61 | 6 | 3 | 1 | 166.2 | 153 | 59 | 62 | 14 | 33 | 1 | 1.12 |
| 1962 | BAL | 22 | 11 | 6 | 4 | 4.10 | 25 | 0 | 0 | 1 | 85.2 | 88 | 39 | 41 | 12 | 21 | 3 | 1.27 |
| 1962 | NYY | 2 | 1 | 0 | 1 | 6.75 | 2 | 0 | 0 | 0 | 6.2 | 9 | 5 | 10 | 3 | 2 | 0 | 1.65 |
| 1962 | TOT | 24 | 12 | 6 | 5 | 4.29 | 27 | 0 | 0 | 1 | 92.1 | 97 | 44 | 51 | 15 | 23 | 3 | 1.30 |
| 1963 | HOU | 26 | 20 | 5 | 11 | 3.31 | 68 | 6 | 3 | 0 | 141.1 | 137 | 52 | 54 | 14 | 8 | 0 | 1.03 |
| 1964 | HOU | 27 | 21 | 3 | 15 | 3.95 | 53 | 3 | 0 | 1 | 132.0 | 154 | 58 | 68 | 18 | 26 | 2 | 1.36 |
| Career | 358 | 211 | 85 | 92 | 3.81 | 710 | 47 | 13 | 11 | 1680.0 | 1,677 | 712 | 781 | 173 | 389 | 14 | 1.23 |
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