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| Pitching | |||||||||||
| Year | Team | G | BFP | OUTS | ER | ERA | ERi | ERpm | eWL | ||
| 1979 | DET | 15 | 401 | 294 | 43 | 3.95 | 110 | 4.3 | 6-5 | ||
| 1980 | DET | 27 | 716 | 494 | 72 | 3.94 | 105 | 3.3 | 9-9 | ||
| 1981 | DET | 23 | 583 | 423 | 47 | 3.00 | 126 | 11.7 | 10-6 | ||
| 1982 | DET | 35 | 1031 | 738 | 88 | 3.22 | 125 | 22.6 | 17-10 | ||
| 1983 | DET | 38 | 1115 | 799 | 116 | 3.92 | 100 | -0.1 | 15-15 | ||
| 1984 | DET | 35 | 968 | 700 | 84 | 3.24 | 121 | 18.0 | 15-11 | ||
| 1985 | DET | 34 | 962 | 716 | 89 | 3.36 | 121 | 19.2 | 16-11 | ||
| 1986 | DET | 20 | 520 | 348 | 60 | 4.66 | 89 | -6.6 | 6-7 | ||
| 1987 | DET | 30 | 628 | 404 | 84 | 5.61 | 76 | -21.5 | 5-10 | ||
| 1988 | CAL | 22 | 604 | 419 | 68 | 4.38 | 88 | -8.3 | 7-9 | ||
| 1989 | CAL | 19 | 223 | 153 | 31 | 5.47 | 70 | -9.6 | 2-4 | ||
| 1990 | DET | 32 | 655 | 449 | 74 | 4.45 | 90 | -7.4 | 8-9 | ||
| 1991 | DET | 17 | 240 | 164 | 30 | 4.94 | 85 | -4.5 | 3-3 | ||
| 1991 | ATL | 10 | 116 | 73 | 15 | 5.55 | 71 | -4.2 | 1-2 | ||
| 1991 | BOS | 13 | 98 | 67 | 11 | 4.43 | 97 | -0.3 | 1-1 | ||
| Totals | 370 | 8860 | 6241 | 912 | 3.95 | 16.6 | |||||
| Pitching - Basic | ||||||||||||||||
| Year | Team | W | L | ERA | G | GS | CG | SHO | SV | IP | H | HR | BB | SO | R | ER |
| 1979 | DET | 6 | 5 | 3.95 | 15 | 15 | 2 | 0 | 0 | 98 | 90 | 11 | 33 | 43 | 46 | 43 |
| 1980 | DET | 10 | 9 | 3.94 | 27 | 25 | 4 | 3 | 0 | 165 | 156 | 9 | 83 | 88 | 82 | 72 |
| 1981 | DET | 10 | 9 | 3.00 | 23 | 22 | 7 | 2 | 0 | 141 | 115 | 10 | 57 | 79 | 53 | 47 |
| 1982 | DET | 15 | 9 | 3.22 | 35 | 35 | 8 | 1 | 0 | 246 | 220 | 15 | 100 | 132 | 98 | 88 |
| 1983 | DET | 19 | 11 | 3.92 | 38 | 38 | 9 | 2 | 0 | 266 | 256 | 37 | 99 | 122 | 126 | 116 |
| 1984 | DET | 18 | 8 | 3.24 | 35 | 35 | 7 | 2 | 0 | 233 | 231 | 21 | 66 | 144 | 94 | 84 |
| 1985 | DET | 15 | 13 | 3.36 | 34 | 34 | 8 | 0 | 0 | 239 | 190 | 24 | 81 | 109 | 98 | 89 |
| 1986 | DET | 5 | 10 | 4.66 | 20 | 20 | 2 | 0 | 0 | 116 | 122 | 15 | 53 | 56 | 78 | 60 |
| 1987 | DET | 9 | 7 | 5.61 | 30 | 21 | 0 | 0 | 0 | 135 | 148 | 22 | 76 | 93 | 101 | 84 |
| 1988 | CAL | 3 | 9 | 4.38 | 22 | 22 | 4 | 1 | 0 | 140 | 139 | 18 | 59 | 64 | 70 | 68 |
| 1989 | CAL | 3 | 2 | 5.47 | 19 | 4 | 0 | 0 | 0 | 51 | 53 | 8 | 23 | 21 | 32 | 31 |
| 1990 | DET | 10 | 9 | 4.45 | 32 | 23 | 1 | 0 | 0 | 150 | 148 | 14 | 77 | 73 | 78 | 74 |
| 1991 | DET | 2 | 3 | 4.94 | 17 | 6 | 0 | 0 | 0 | 55 | 66 | 9 | 19 | 18 | 35 | 30 |
| 1991 | ATL | 0 | 0 | 5.55 | 10 | 0 | 0 | 0 | 0 | 24 | 29 | 2 | 14 | 9 | 17 | 15 |
| 1991 | BOS | 0 | 0 | 4.43 | 13 | 0 | 0 | 0 | 1 | 22 | 21 | 3 | 12 | 12 | 17 | 11 |
| |||||||||||
| Year | Team | G | PA | OUTS | RCsbr | RS | eRS | RS27 | RSi | RSpm | |
| 1979 | DET | 15 | 0 | 0 | nan | 0.0 | 0.0 | 0.0 | |||
| 1980 | DET | 27 | 0 | 0 | nan | 0.0 | 0.0 | 0.0 | |||
| 1981 | DET | 23 | 0 | 0 | nan | 0.0 | 0.0 | 0.0 | |||
| 1982 | DET | 35 | 0 | 0 | nan | 0.0 | 0.0 | 0.0 | |||
| 1983 | DET | 38 | 0 | 0 | nan | 0.0 | 0.0 | 0.0 | |||
| 1984 | DET | 35 | 0 | 0 | nan | 0.0 | 0.0 | 0.0 | |||
| 1985 | DET |
34 | 0 | 0 | nan | 0.0 | 0.0 | 0.0 | |||
| 1986 | DET | 20 | 0 | 0 | nan | 0.0 | 0.0 | 0.0 | |||
| 1987 | DET | 30 | 0 | 0 | nan | 0.0 | 0.0 | 0.0 | |||
| 1988 | CAL | 22 | 0 | 0 | nan | 0.0 | 0.0 | 0.0 | |||
| 1989 | CAL | 19 | 0 | 0 | nan | 0.0 | 0.0 | 0.0 | |||
| 1990 | DET | 32 | 0 | 0 | nan | 0.0 | 0.0 | 0.0 | |||
| 1991 | DET | 17 | 0 | 0 | nan | 0.0 | 0.0 | 0.0 | |||
| 1991 | ATL | 10 | 5 | 4 | 0.1 | 0.5 | 0.2 | 3.18 | 80 | -0.1 | |
| 1991 | BOS | 13 | 0 | 0 | nan | 0.0 | 0.0 | 0.0 | |||
| Totals | 370 | 5 | 4 | nan | 0.5 | 3.38 | -0.1 | ||||
| Batting - Basic | ||||||||||||||
| Year | Team | G | AB | R | H | 2B | 3B | HR | RBI | SB | CS | BB | SO | AVG |
| 1979 | DET | 15 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| 1980 | DET | 27 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| 1981 | DET | 23 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| 1982 | DET | 35 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| 1983 | DET | 38 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| 1984 | DET | 35 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| 1985 | DET |
34 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| 1986 | DET | 20 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| 1987 | DET | 30 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| 1988 | CAL | 22 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| 1989 | CAL | 19 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| 1990 | DET | 32 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| 1991 | DET | 17 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| 1991 | ATL | 10 | 5 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .200 |
| 1991 | BOS | 13 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| Totals | 370 | 5 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .200 | |
| 162 | GP | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .200 | |
| 648 | PA | 648 | 130 | 130 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .200 | |
| Fielding | ||||||||||
| Year | Team | POS | G | IO | OUTS | OPM | E | E27 | Ei | Epm |
| 1979 | DET | P | 15 | 294 | 20 | -1 | 2 | 2.70 | 54 | -0.9 |
| 1980 | DET | P | 27 | 494 | 44 | 10 | 3 | 1.84 | 66 | -1.0 |
| 1981 | DET | P | 23 | 423 | 40 | 9 | 1 | 0.68 | 155 | 0.6 |
| 1982 | DET | P | 35 | 738 | 76 | 27 | 0 | 0.00 | 3.3 | |
| 1983 | DET | P | 38 | 799 | 73 | 20 | 2 | 0.74 | 160 | 1.2 |
| 1984 | DET | P | 35 | 700 | 72 | 25 | 1 | 0.37 | 319 | 2.2 |
| 1985 | DET | P | 34 | 716 | 62 | 13 | 0 | 0.00 | 3.1 | |
| 1986 | DET | P | 20 | 348 | 34 | 10 | 0 | 0.00 | 1.5 | |
| 1987 | DET | P | 30 | 404 | 37 | 9 | 2 | 1.46 | 87 | -0.3 |
| 1988 | CAL | P | 22 | 419 | 45 | 17 | 0 | 0.00 | 1.8 | |
| 1989 | CAL | P | 19 | 153 | 12 | 1 | 0 | 0.00 | 0.5 | |
| 1990 | DET | P | 32 | 449 | 42 | 12 | 0 | 0.00 | 2.1 | |
| 1991 | DET | P | 17 | 164 | 20 | 9 | 1 | 1.35 | 92 | -0.1 |
| 1991 | ATL | P | 10 | 73 | 8 | 3 | 0 | 0.00 | 0.4 | |
| 1991 | BOS | P | 13 | 67 | 6 | 2 | 0 | 0.00 | 0.3 | |
| Totals | 370 | 6241 | 591 | 166 | 12 | 0.55 | 14.7 | |||
| RSpm By Position | ||||||||||||
| Year | Team | P | C | 1B | 2B | 3B | SS | LF | CF | RF | DH | Total |
| GS By Position | |||||||||||
| Year | Team | P | C | 1B | 2B | 3B | SS | LF | CF | RF | DH |
| GS By Lineup Spot | ||||||||||
| Year | Team | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |

