Regular Season
| Season | TM | G | GS | W | L | ERA | SO | CG | SHO | SV | IP | H | ER | R | HR | BB | HBP | WHIP |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
1966 | ATL | 10 | 9 | 6 | 2 | 2.31 | 41 | 3 | 1 | 0 | 62.1 | 46 | 16 | 16 | 1 | 12 | 1 | 0.93 |
1967 | ATL | 32 | 30 | 15 | 10 | 3.66 | 118 | 7 | 1 | 0 | 194.0 | 195 | 79 | 86 | 15 | 62 | 4 | 1.32 |
1968 | ATL | 34 | 34 | 16 | 12 | 2.60 | 157 | 14 | 1 | 0 | 256.0 | 202 | 74 | 82 | 15 | 50 | 2 | 0.98 |
1969 | ATL | 37 | 33 | 13 | 11 | 4.43 | 123 | 4 | 1 | 0 | 217.1 | 204 | 107 | 113 | 25 | 73 | 1 | 1.27 |
1970 | ATL | 36 | 34 | 16 | 16 | 3.61 | 173 | 11 | 1 | 0 | 254.0 | 240 | 102 | 110 | 21 | 72 | 0 | 1.23 |
1971 | ATL | 35 | 23 | 6 | 14 | 4.10 | 68 | 3 | 3 | 1 | 162.1 | 162 | 74 | 81 | 16 | 51 | 3 | 1.31 |
1972 | ATL | 37 | 6 | 11 | 7 | 4.10 | 56 | 0 | 0 | 2 | 98.2 | 94 | 45 | 50 | 7 | 44 | 0 | 1.40 |
1973 | MON | 28 | 0 | 2 | 1 | 3.20 | 19 | 0 | 0 | 0 | 39.1 | 37 | 14 | 21 | 6 | 16 | 1 | 1.35 |
| Career | 249 | 169 | 85 | 73 | 3.58 | 755 | 42 | 8 | 3 | 1284.0 | 1,180 | 511 | 559 | 106 | 380 | 12 | 1.21 |
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