Career Stats
| Season | TM | LG | W | L | ERA | G | GS | CG | SHO | SV | IP | H | ER | R | HR | BB | HBP | SO |
|---|
| 1970 | KCR | AL | 0 | 1 | 7.27 | 2 | 1 | 0 | 0 | 0 | 8.2 | 16 | 7 | 9 | 1 | 5 | 0 | 10 |
| 1971 | KCR | AL | 8 | 9 | 2.68 | 22 | 22 | 6 | 3 | 0 | 144.1 | 129 | 43 | 49 | 4 | 35 | 4 | 80 |
| 1972 | KCR | AL | 12 | 12 | 3.13 | 35 | 33 | 12 | 2 | 0 | 216.0 | 189 | 75 | 81 | 11 | 67 | 4 | 140 |
| 1973 | KCR | AL | 20 | 11 | 3.98 | 38 | 38 | 12 | 3 | 0 | 262.0 | 279 | 116 | 135 | 19 | 78 | 5 | 110 |
| 1974 | KCR | AL | 13 | 19 | 4.10 | 36 | 36 | 8 | 1 | 0 | 226.0 | 252 | 103 | 122 | 23 | 75 | 1 | 90 |
| 1975 | KCR | AL | 9 | 10 | 3.17 | 35 | 23 | 6 | 3 | 1 | 159.0 | 156 | 56 | 75 | 10 | 56 | 1 | 76 |
| 1976 | KCR | AL | 11 | 8 | 3.97 | 26 | 23 | 5 | 1 | 0 | 158.2 | 169 | 70 | 79 | 11 | 59 | 3 | 59 |
| 1977 | KCR | AL | 16 | 6 | 3.69 | 37 | 37 | 6 | 2 | 0 | 229.0 | 243 | 94 | 104 | 11 | 83 | 2 | 99 |
| 1978 | KCR | AL | 19 | 13 | 3.40 | 39 | 38 | 13 | 2 | 0 | 262.0 | 244 | 99 | 113 | 22 | 60 | 3 | 76 |
| 1979 | KCR | AL | 15 | 17 | 4.24 | 36 | 35 | 11 | 0 | 0 | 240.0 | 248 | 113 | 137 | 25 | 77 | 5 | 77 |
| 1980 | KCR | AL | 14 | 11 | 4.15 | 34 | 33 | 4 | 0 | 0 | 204.0 | 236 | 94 | 101 | 17 | 43 | 1 | 53 |
| 1981 | KCR | AL | 5 | 5 | 4.36 | 21 | 15 | 1 | 0 | 0 | 99.0 | 111 | 48 | 48 | 12 | 23 | 1 | 48 |
| 1982 | KCR | AL | 10 | 10 | 4.28 | 29 | 28 | 0 | 0 | 0 | 162.0 | 166 | 77 | 83 | 14 | 57 | 3 | 74 |
| 1983 | KCR | AL | 13 | 8 | 3.63 | 27 | 27 | 4 | 0 | 0 | 156.0 | 159 | 63 | 77 | 9 | 52 | 1 | 61 |
| 1984 | KCR | AL | 1 | 3 | 7.71 | 12 | 3 | 0 | 0 | 0 | 28.0 | 47 | 24 | 30 | 3 | 10 | 0 | 4 |
| Career | | | 166 | 143 | 3.81 | 429 | 392 | 88 | 17 | 1 | 2554.2 | 2,644 | 1,082 | 1,243 | 192 | 780 | 34 | 1,057 |
