| Yr | Tm | W | L | WLP | G | GS | CG | IP | SHO | SV | ERA | H | BB | R | ER | HR | IBB | SO | HBP | BK | WP | BFP | WHIP | RAIP | SOBB | SOIP | | 1979 | DET | 6 | 5 | .545 | 15 | 15 | 2 | 98.0 | 0 | 0 | 3.95 | 90 | 33 | 46 | 43 | 11 | 5 | 43 | 4 | 1 | 3 | 401 | 1.255 | 1.296 | 1.303 | .439 | | 1980 | DET | 10 | 9 | .526 | 27 | 25 | 4 | 164.2 | 3 | 0 | 3.94 | 156 | 83 | 82 | 72 | 9 | 14 | 88 | 1 | 2 | 5 | 716 | 1.451 | 1.457 | 1.060 | .534 | | 1981 | DET | 10 | 9 | .526 | 23 | 22 | 7 | 141.0 | 2 | 0 | 3.00 | 115 | 57 | 53 | 47 | 10 | 4 | 79 | 1 | 1 | 3 | 583 | 1.220 | 1.227 | 1.386 | .560 | | 1982 | DET | 15 | 9 | .625 | 35 | 35 | 8 | 246.0 | 1 | 0 | 3.22 | 220 | 100 | 98 | 88 | 15 | 5 | 132 | 4 | 0 | 9 | 1031 | 1.301 | 1.317 | 1.320 | .537 | | 1983 | DET | 19 | 11 | .633 | 38 | 38 | 9 | 266.1 | 2 | 0 | 3.92 | 256 | 99 | 126 | 116 | 37 | 7 | 122 | 6 | 0 | 12 | 1115 | 1.333 | 1.355 | 1.232 | .458 | | 1984 | DET | 18 | 8 | .692 | 35 | 35 | 7 | 233.1 | 2 | 0 | 3.24 | 231 | 66 | 94 | 84 | 21 | 4 | 144 | 3 | 0 | 7 | 968 | 1.273 | 1.286 | 2.182 | .617 | | 1985 | DET | 15 | 13 | .536 | 34 | 34 | 8 | 238.2 | 0 | 0 | 3.36 | 190 | 81 | 98 | 89 | 24 | 9 | 109 | 3 | 0 | 6 | 962 | 1.135 | 1.148 | 1.346 | .457 | | 1986 | DET | 5 | 10 | .333 | 20 | 20 | 2 | 116.0 | 0 | 0 | 4.66 | 122 | 53 | 78 | 60 | 15 | 3 | 56 | 5 | 0 | 5 | 520 | 1.509 | 1.552 | 1.057 | .483 | | 1987 | DET | 9 | 7 | .563 | 30 | 21 | 0 | 134.2 | 0 | 0 | 5.61 | 148 | 76 | 101 | 84 | 22 | 5 | 93 | 10 | 1 | 8 | 628 | 1.663 | 1.738 | 1.224 | .691 | | 1988 | CAL | 3 | 9 | .250 | 22 | 22 | 4 | 139.2 | 1 | 0 | 4.38 | 139 | 59 | 70 | 68 | 18 | 5 | 64 | 6 | 2 | 5 | 604 | 1.418 | 1.461 | 1.085 | .458 | | 1989 | CAL | 3 | 2 | .600 | 19 | 4 | 0 | 51.0 | 0 | 0 | 5.47 | 53 | 23 | 32 | 31 | 8 | 0 | 21 | 1 | 0 | 2 | 223 | 1.490 | 1.510 | .913 | .412 | | 1990 | DET | 10 | 9 | .526 | 32 | 23 | 1 | 149.2 | 0 | 0 | 4.45 | 148 | 77 | 78 | 74 | 14 | 7 | 73 | 1 | 0 | 10 | 655 | 1.503 | 1.510 | .948 | .488 | | 1991 | ATL | 0 | 0 | 0 | 10 | 0 | 0 | 24.1 | 0 | 0 | 5.55 | 29 | 14 | 17 | 15 | 2 | 1 | 9 | 1 | 0 | 2 | 116 | 1.767 | 1.808 | .643 | .370 | | 1991 | BOS | 0 | 0 | 0 | 13 | 0 | 0 | 22.1 | 0 | 1 | 4.43 | 21 | 12 | 17 | 11 | 3 | 2 | 12 | 1 | 0 | 0 | 98 | 1.478 | 1.522 | 1.000 | .537 | | 1991 | DET | 2 | 3 | .400 | 17 | 6 | 0 | 54.2 | 0 | 0 | 4.94 | 66 | 19 | 35 | 30 | 9 | 3 | 18 | 0 | 0 | 0 | 240 | 1.555 | 1.555 | .947 | .329 | | Total | | 125 | 104 | .546 | 370 | 300 | 52 | 2080.1 | 11 | 1 | 3.95 | 1984 | 852 | 1025 | 912 | 218 | 74 | 1063 | 47 | 7 | 77 | 8860 | 1.363 | 1.386 | 1.248 | .511 | | PostSeas | | 0 | 1 | .000 | 4 | 3 | 0 | 18.1 | 0 | 0 | 4.97 | 19 | 6 | 11 | 10 | 1 | 0 | 9 | 0 | 1 | 1 | 84 | 1.381 | 1.381 | 1.500 | .497 | | GrandTot | | 125 | 105 | .543 | 374 | 303 | 52 | 2098.2 | 11 | 1 | 3.95 | 2003 | 858 | 1036 | 922 | 219 | 74 | 1072 | 47 | 8 | 78 | 8944 | 1.364 | 1.386 | 1.249 | .511 | | ATL | | 0 | 0 | .000 | 10 | 0 | 0 | 24.1 | 0 | 0 | 5.6 | 29 | 14 | 17 | 15 | 2 | 1 | 9 | 1 | 0 | 2 | 116 | 1.784 | 1.826 | .643 | .373 | | BOS | | 0 | 0 | .000 | 13 | 0 | 0 | 22.1 | 0 | 1 | 4.48 | 21 | 12 | 17 | 11 | 3 | 2 | 12 | 1 | 0 | 0 | 98 | 1.493 | 1.538 | 1.000 | .543 | | CAL | | 6 | 11 | .353 | 41 | 26 | 4 | 190.2 | 1 | 0 | 4.68 | 192 | 82 | 102 | 99 | 26 | 5 | 85 | 7 | 2 | 7 | 827 | 1.441 | 1.477 | 1.037 | .447 | | DET | | 119 | 93 | .561 | 306 | 274 | 48 | 1843.0 | 10 | 0 | 3.84 | 1742 | 744 | 889 | 787 | 187 | 66 | 957 | 38 | 5 | 68 | 7819 | 1.349 | 1.370 | 1.286 | .519 |
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