| Year | GS | Rank | 1977 | 36 | 9 | 1978 | 37 | 1 | 1979 | 37 | 1 | 1980 | 32 | 2 | | Year | W | Rank | 1977 | 17 | 8 | 1978 | 17 | 9 | 1979 | 19 | 3 | | Year | L | Rank | 1976 | 16 | 9 | 1980 | 14 | 7 | | Year | Winning % | Rank | 1979 | .594 | 10 | |
Year | IP | Rank | 1977 | 294.0 | 1 | 1978 | 289.2 | 3 | 1979 | 302.1 | 1 | 1980 | 262.2 | 2 | | Year | BF | Rank | 1977 | 1250 | 1 | 1978 | 1245 | 2 | 1979 | 1297 | 1 | 1980 | 1108 | 1 | | Year | BB | Rank | 1976 | 143 | 6 | 1977 | 144 | 4 | 1978 | 117 | 7 | 1979 | 115 | 8 | 1980 | 92 | 10 | | Year | K | Rank | 1977 | 178 | 5 | 1979 | 197 | 2 | 1980 | 192 | 1 | | Year | WP | Rank | 1976 | 14 | 4 | 1977 | 16 | 1 | 1978 | 13 | 1 | 1980 | 13 | 1 | |
Year | ERA | Rank | 1976 | 3.20 | 10 | 1977 | 3.00 | 5 | | | | Year | HR/9 | Rank | 1976 | 0.33 | 9 | 1977 | 0.37 | 5 | 1978 | 0.43 | 5 | 1980 | 0.48 | 5 | | Year | H/9 | Rank | 1976 | 8.11 | 6 | 1977 | 7.90 | 3 | 1980 | 8.39 | 10 | |
Year | K/9 | Rank | 1979 | 5.86 | 10 | 1980 | 6.58 | 5 | | Year | VORP | Rank | 1976 | 41.2 | 6 | 1977 | 66.3 | 2 | 1979 | 57.4 | 8 | | Year | QS | Rank | 1977 | 27 | 1 | 1978 | 24 | 10 | 1979 | 24 | 4 | | Year | QSP | Rank | 1977 | .750 | 1 | 1979 | .649 | 8 | | Year | CG | Rank | 1976 | 15 | 10 | 1977 | 19 | 1 | 1978 | 15 | 6 | 1979 | 16 | 3 | 1980 | 16 | 1 | |
Year | CGP | Rank | 1976 | .441 | 9 | 1977 | .528 | 1 | 1979 | .432 | 4 | 1980 | .500 | 1 | | | Year | GB% | Rank | 1976 | 0.63 | 3 | 1977 | 0.64 | 6 | 1978 | 0.58 | 9 | 1980 | 0.63 | 5 | | | |