Career Stats
| Season | TM | LG | W | L | ERA | G | GS | CG | SHO | SV | IP | H | ER | R | HR | BB | HBP | SO |
|---|
| 1960 | PIT | NL | 4 | 2 | 4.03 | 27 | 9 | 0 | 0 | 0 | 80.1 | 87 | 36 | 40 | 5 | 31 | 0 | 60 |
| 1961 | PIT | NL | 13 | 10 | 3.32 | 30 | 29 | 7 | 3 | 0 | 195.1 | 185 | 72 | 85 | 16 | 57 | 4 | 145 |
| 1962 | PIT | NL | 3 | 4 | 3.63 | 19 | 8 | 0 | 0 | 0 | 57.0 | 53 | 23 | 29 | 4 | 24 | 0 | 26 |
| 1963 | PIT | NL | 5 | 12 | 3.30 | 37 | 22 | 5 | 0 | 1 | 147.1 | 147 | 54 | 61 | 7 | 54 | 5 | 110 |
| 1964 | PIT | NL | 10 | 7 | 3.68 | 28 | 24 | 3 | 0 | 0 | 146.2 | 145 | 60 | 66 | 10 | 54 | 6 | 97 |
| 1965 | PIT | NL | 4 | 9 | 4.51 | 31 | 15 | 1 | 0 | 1 | 105.2 | 85 | 53 | 57 | 7 | 34 | 4 | 63 |
| 1966 | SFG | NL | 4 | 6 | 3.67 | 37 | 10 | 1 | 0 | 1 | 81.0 | 86 | 33 | 41 | 4 | 16 | 2 | 48 |
| 1967 | SFG | NL | 6 | 2 | 3.07 | 28 | 10 | 3 | 1 | 1 | 82.0 | 65 | 28 | 31 | 4 | 33 | 3 | 63 |
| 1968 | SFG | NL | 1 | 2 | 1.58 | 29 | 0 | 0 | 0 | 1 | 40.0 | 33 | 7 | 10 | 3 | 19 | 2 | 22 |
| 1969 | PIT | NL | 5 | 1 | 1.93 | 35 | 0 | 0 | 0 | 9 | 51.1 | 38 | 11 | 14 | 5 | 17 | 2 | 35 |
| 1969 | SFG | NL | 1 | 3 | 3.60 | 16 | 0 | 0 | 0 | 2 | 20.0 | 15 | 8 | 10 | 1 | 13 | 1 | 9 |
| 1969 | TOT | NL | 6 | 4 | 2.40 | 51 | 0 | 0 | 0 | 11 | 71.1 | 53 | 19 | 24 | 6 | 30 | 3 | 44 |
| 1970 | PIT | NL | 0 | 1 | 4.83 | 41 | 0 | 0 | 0 | 5 | 41.0 | 44 | 22 | 25 | 2 | 24 | 2 | 26 |
| 1971 | CIN | NL | 5 | 6 | 2.94 | 50 | 0 | 0 | 0 | 11 | 64.1 | 54 | 21 | 25 | 3 | 32 | 1 | 34 |
| 1972 | CIN | NL | 0 | 0 | 54.00 | 2 | 0 | 0 | 0 | 0 | 0.1 | 3 | 2 | 2 | 1 | 1 | 0 | 1 |
| 1972 | HOU | NL | 0 | 0 | 9.82 | 9 | 0 | 0 | 0 | 0 | 7.1 | 13 | 8 | 9 | 2 | 5 | 1 | 4 |
| 1972 | TOT | NL | 0 | 0 | 11.74 | 11 | 0 | 0 | 0 | 0 | 7.2 | 16 | 10 | 11 | 3 | 6 | 1 | 5 |
| Career | | | 61 | 65 | 3.52 | 419 | 127 | 20 | 4 | 32 | 1119.2 | 1,053 | 438 | 505 | 74 | 414 | 33 | 743 |
