Career Stats
| Season | TM | LG | W | L | ERA | G | GS | CG | SHO | SV | IP | H | ER | R | HR | BB | HBP | SO |
|---|
| 1970 | DET | AL | 0 | 1 | 7.30 | 10 | 0 | 0 | 0 | 0 | 12.1 | 16 | 10 | 11 | 2 | 6 | 0 | 7 |
| 1972 | DET | AL | 0 | 1 | 1.32 | 16 | 0 | 0 | 0 | 2 | 27.1 | 22 | 4 | 4 | 0 | 6 | 0 | 9 |
| 1973 | DET | AL | 1 | 5 | 4.33 | 21 | 3 | 0 | 0 | 3 | 54.0 | 54 | 26 | 26 | 8 | 23 | 1 | 33 |
| 1974 | DET | AL | 8 | 19 | 4.66 | 37 | 34 | 11 | 0 | 0 | 216.1 | 245 | 112 | 132 | 21 | 80 | 3 | 85 |
| 1975 | DET | AL | 7 | 14 | 4.38 | 32 | 26 | 7 | 2 | 0 | 164.1 | 183 | 80 | 105 | 15 | 66 | 2 | 75 |
| 1976 | STL | NL | 0 | 1 | 1.48 | 8 | 2 | 1 | 0 | 0 | 24.1 | 21 | 4 | 4 | 0 | 7 | 1 | 10 |
| 1977 | CWS | AL | 7 | 3 | 2.46 | 66 | 0 | 0 | 0 | 25 | 98.2 | 81 | 27 | 32 | 10 | 35 | 1 | 63 |
| 1978 | CWS | AL | 6 | 5 | 4.40 | 52 | 0 | 0 | 0 | 16 | 88.0 | 85 | 43 | 47 | 9 | 38 | 3 | 41 |
| 1979 | LAD | NL | 5 | 1 | 3.41 | 31 | 0 | 0 | 0 | 4 | 37.0 | 38 | 14 | 16 | 2 | 18 | 0 | 22 |
| 1979 | CWS | AL | 0 | 3 | 9.17 | 11 | 2 | 0 | 0 | 1 | 17.2 | 27 | 18 | 21 | 2 | 16 | 1 | 9 |
| 1979 | TOT | | 5 | 4 | 5.27 | 42 | 2 | 0 | 0 | 5 | 54.2 | 65 | 32 | 37 | 4 | 34 | 1 | 31 |
| 1980 | PHI | NL | 0 | 2 | 4.15 | 25 | 0 | 0 | 0 | 3 | 39.0 | 42 | 18 | 22 | 5 | 17 | 0 | 21 |
| Career | | | 34 | 55 | 4.11 | 309 | 67 | 19 | 2 | 54 | 779.0 | 814 | 356 | 420 | 74 | 312 | 12 | 375 |
