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| Pitching | |||||||||||
| Year | Team | G | BFP | OUTS | ER | ERA | ERi | ERpm | eWL | ||
| 1974 | DET | 5 | 138 | 99 | 10 | 2.73 | 138 | 3.7 | 3-1 | ||
| 1975 | DET | 32 | 830 | 570 | 85 | 4.03 | 100 | -0.2 | 10-11 | ||
| 1976 | DET | 32 | 865 | 599 | 87 | 3.92 | 94 | -4.8 | 10-12 | ||
| 1977 | DET | 14 | 294 | 199 | 42 | 5.70 | 75 | -10.0 | 3-4 | ||
| 1978 | HOU | 13 | 279 | 204 | 16 | 2.12 | 156 | 9.7 | 6-2 | ||
| 1979 | HOU | 13 | 269 | 199 | 30 | 4.07 | 86 | -4.3 | 3-4 | ||
| 1980 | HOU | 28 | 638 | 478 | 42 | 2.37 | 138 | 17.8 | 12-6 | ||
| 1981 | HOU | 20 | 412 | 306 | 33 | 2.91 | 113 | 4.4 | 6-5 | ||
| 1982 | HOU | 31 | 625 | 447 | 65 | 3.93 | 85 | -10.9 | 7-10 | ||
| 1983 | HOU | 41 | 480 | 344 | 47 | 3.69 | 92 | -4.2 | 6-7 | ||
| 1984 | HOU | 40 | 405 | 271 | 46 | 4.58 | 72 | -14.0 | 3-7 | ||
| 1985 | CLE | 42 | 532 | 375 | 60 | 4.32 | 96 | -2.4 | 7-7 | ||
| 1986 | CAL | 16 | 197 | 143 | 22 | 4.15 | 100 | 0.0 | 3-2 | ||
| Totals | 327 | 5964 | 4234 | 585 | 3.73 | -15.2 | |||||
| Pitching - Basic | ||||||||||||||||
| Year | Team | W | L | ERA | G | GS | CG | SHO | SV | IP | H | HR | BB | SO | R | ER |
| 1974 | DET | 2 | 0 | 2.73 | 5 | 3 | 1 | 0 | 0 | 33 | 35 | 1 | 6 | 10 | 13 | 10 |
| 1975 | DET | 11 | 12 | 4.03 | 32 | 31 | 8 | 3 | 0 | 190 | 199 | 17 | 65 | 67 | 104 | 85 |
| 1976 | DET | 9 | 12 | 3.92 | 32 | 32 | 5 | 1 | 0 | 200 | 227 | 19 | 59 | 88 | 99 | 87 |
| 1977 | DET | 3 | 5 | 5.70 | 14 | 10 | 0 | 0 | 0 | 66 | 83 | 9 | 15 | 27 | 44 | 42 |
| 1978 | HOU | 3 | 3 | 2.12 | 13 | 10 | 2 | 2 | 0 | 68 | 57 | 0 | 20 | 27 | 17 | 16 |
| 1979 | HOU | 2 | 6 | 4.07 | 13 | 10 | 2 | 2 | 0 | 66 | 64 | 9 | 8 | 33 | 33 | 30 |
| 1980 | HOU | 12 | 4 | 2.37 | 28 | 22 | 6 | 2 | 0 | 159 | 148 | 7 | 29 | 55 | 51 | 42 |
| 1981 | HOU | 4 | 6 | 2.91 | 20 | 15 | 1 | 0 | 1 | 102 | 97 | 6 | 20 | 39 | 36 | 33 |
| 1982 | HOU | 9 | 13 | 3.93 | 31 | 21 | 3 | 2 | 1 | 149 | 169 | 12 | 24 | 56 | 81 | 65 |
| 1983 | HOU | 8 | 5 | 3.69 | 41 | 9 | 0 | 0 | 3 | 115 | 107 | 13 | 36 | 43 | 49 | 47 |
| 1984 | HOU | 1 | 9 | 4.58 | 40 | 6 | 0 | 0 | 2 | 90 | 112 | 5 | 29 | 60 | 58 | 46 |
| 1985 | CLE | 2 | 10 | 4.32 | 42 | 16 | 1 | 0 | 3 | 125 | 139 | 16 | 30 | 54 | 65 | 60 |
| 1986 | CAL | 1 | 3 | 4.15 | 16 | 3 | 0 | 0 | 1 | 48 | 46 | 5 | 7 | 23 | 25 | 22 |
| |||||||||||
| Year | Team | G | PA | OUTS | RCsbr | RS | eRS | RS27 | RSi | RSpm | |
| 1974 | DET | 5 | 0 | 0 | nan | 0.0 | 0.0 | 0.0 | |||
| 1975 | DET | 32 | 0 | 0 | nan | 0.0 | 0.0 | 0.0 | |||
| 1976 | DET | 32 | 0 | 0 | nan | 0.0 | 0.0 | 0.0 | |||
| 1977 | DET | 14 | 0 | 0 | nan | 0.0 | 0.0 | 0.0 | |||
| 1978 | HOU | 13 | 21 | 19 | 0.1 | 0.5 | 0.5 | 0.77 | 20 | -2.2 | |
| 1979 | HOU | 13 | 22 | 20 | 0.2 | 1.5 | 0.7 | 2.15 | 53 | -1.4 | |
| 1980 | HOU | 28 | 57 | 43 | 4.7 | 4.5 | 4.6 | 3.07 | 79 | -1.3 | |
| 1981 | HOU | 20 | 34 | 22 | 2.8 | 2.0 | 2.6 | 2.58 | 69 | -0.9 | |
| 1982 | HOU | 31 | 51 | 43 | 0.2 | 0.5 | 1.6 | 0.34 | 9 | -5.7 | |
| 1983 | HOU | 41 | 26 | 21 | 0.4 | 1.5 | 0.9 | 2.07 | 52 | -1.5 | |
| 1984 | HOU | 40 | 14 | 11 | 0.2 | 0.0 | 0.5 | 0.00 | 0 | -1.6 | |
| 1985 | CLE | 42 | 0 | 0 | nan | 0.0 | 0.0 | 0.0 | |||
| 1986 | CAL | 16 | 0 | 0 | nan | 0.0 | 0.0 | 0.0 | |||
| Totals | 327 | 225 | 179 | nan | 10.5 | 1.58 | -14.6 | ||||
| Batting - Basic | ||||||||||||||
| Year | Team | G | AB | R | H | 2B | 3B | HR | RBI | SB | CS | BB | SO | AVG |
| 1974 | DET | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| 1975 | DET | 32 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| 1976 | DET | 32 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| 1977 | DET | 14 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| 1978 | HOU | 13 | 18 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 2 | 14 | .056 |
| 1979 | HOU | 13 | 19 | 3 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 11 | .053 |
| 1980 | HOU | 28 | 49 | 7 | 12 | 3 | 0 | 0 | 2 | 0 | 0 | 4 | 15 | .245 |
| 1981 | HOU | 20 | 24 | 1 | 6 | 1 | 0 | 0 | 3 | 0 | 0 | 6 | 11 | .250 |
| 1982 | HOU | 31 | 41 | 0 | 4 | 0 | 0 | 0 | 1 | 0 | 1 | 4 | 27 | .098 |
| 1983 | HOU | 41 | 19 | 1 | 2 | 0 | 0 | 0 | 2 | 0 | 0 | 3 | 11 | .105 |
| 1984 | HOU | 40 | 12 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 7 | .083 |
| 1985 | CLE | 42 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| 1986 | CAL | 16 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |
| Totals | 327 | 182 | 12 | 27 | 5 | 0 | 0 | 9 | 0 | 1 | 22 | 96 | .148 | |
| 162 | GP | 90 | 6 | 13 | 2 | 0 | 0 | 4 | 0 | 0 | 11 | 48 | .148 | |
| 648 | PA | 524 | 35 | 78 | 14 | 0 | 0 | 26 | 0 | 3 | 63 | 276 | .148 | |
| Fielding | ||||||||||
| Year | Team | POS | G | IO | OUTS | OPM | E | E27 | Ei | Epm |
| 1974 | DET | P | 5 | 99 | 5 | -2 | 0 | 0.00 | 0.3 | |
| 1975 | DET | P | 32 | 570 | 34 | -5 | 5 | 3.97 | 43 | -2.8 |
| 1976 | DET | P | 32 | 599 | 42 | 0 | 0 | 0.00 | 2.2 | |
| 1977 | DET | P | 14 | 199 | 12 | -2 | 1 | 2.25 | 66 | -0.3 |
| 1978 | HOU | P | 13 | 204 | 11 | -3 | 0 | 0.00 | 0.6 | |
| 1979 | HOU | P | 13 | 199 | 8 | -5 | 0 | 0.00 | 0.4 | |
| 1980 | HOU | P | 28 | 478 | 32 | -2 | 2 | 1.69 | 81 | -0.4 |
| 1981 | HOU | P | 20 | 306 | 13 | -9 | 0 | 0.00 | 0.6 | |
| 1982 | HOU | P | 31 | 447 | 32 | 0 | 2 | 1.69 | 80 | -0.4 |
| 1983 | HOU | P | 41 | 344 | 31 | 7 | 0 | 0.00 | 1.6 | |
| 1984 | HOU | P | 40 | 271 | 22 | 3 | 2 | 2.45 | 53 | -0.9 |
| 1985 | CLE | P | 42 | 375 | 28 | 2 | 0 | 0.00 | 1.4 | |
| 1986 | CAL | P | 16 | 143 | 15 | 5 | 1 | 1.80 | 68 | -0.3 |
| Totals | 327 | 4234 | 285 | -11 | 13 | 1.23 | 2 | |||
| RSpm By Position | ||||||||||||
| Year | Team | P | C | 1B | 2B | 3B | SS | LF | CF | RF | DH | Total |
| 1978 | HOU | -0.6 | -0.6 | |||||||||
| 1979 | HOU | 0.4 | 0.4 | |||||||||
| 1980 | HOU | 2.2 | 2.2 | |||||||||
| 1981 | HOU | 0.8 | 0.8 | |||||||||
| 1982 | HOU | -2.0 | -2.0 | |||||||||
| 1983 | HOU | 0.4 | 0.4 | |||||||||
| 1984 | HOU | -0.6 | -0.6 | |||||||||
| GS By Position | |||||||||||
| Year | Team | P | C | 1B | 2B | 3B | SS | LF | CF | RF | DH |
| 1978 | HOU | 10 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1979 | HOU | 10 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1980 | HOU | 22 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1981 | HOU | 15 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1982 | HOU | 21 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1983 | HOU | 9 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| 1984 | HOU | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| GS By Lineup Spot | ||||||||||
| Year | Team | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 |
| 1978 | HOU | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 10 |
| 1979 | HOU | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 10 |
| 1980 | HOU | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 22 |
| 1981 | HOU | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 15 |
| 1982 | HOU | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 21 |
| 1983 | HOU | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 9 |
| 1984 | HOU | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 6 |

