| year | team name | league | level | mlb | # | age | w | l | era | g | gs | cg | sho | gr | gf | sv | ip | h | r | er | hr | bb | so | wp | bk | hb | whip | h9 | hr9 | bb9 | so9 | ra9 | so/bb |
| 1974 | Detroit Tigers | AL | MLB | DET | 31 | 23 | 2 | 0 | 2.73 | 5 | 3 | 1 | 0 | 2 | 1 | 0 | 33.0 | 35 | 13 | 10 | 1 | 6 | 10 | 0 | 0 | 1 | 1.24 | 9.55 | 0.27 | 1.64 | 2.73 | 3.55 | 1.67 |
| 1975 | Detroit Tigers | AL | MLB | DET | 31 | 24 | 11 | 12 | 4.03 | 32 | 31 | 8 | 3 | 1 | 1 | 0 | 190.0 | 199 | 104 | 85 | 17 | 65 | 67 | 2 | 1 | 7 | 1.39 | 9.43 | 0.81 | 3.08 | 3.17 | 4.93 | 1.03 |
| 1976 | Detroit Tigers | AL | MLB | DET | 31 | 25 | 9 | 12 | 3.92 | 32 | 32 | 5 | 1 | 0 | 0 | 0 | 199.2 | 227 | 99 | 87 | 19 | 59 | 88 | 0 | 0 | 4 | 1.43 | 10.23 | 0.86 | 2.66 | 3.97 | 4.46 | 1.49 |
| 1977 | Evansville Triplets | Amer | AAA | DET | - | 26 | 1 | 4 | 6.86 | 10 | 4 | 0 | 0 | 6 | 0 | 0 | 21.0 | 31 | 19 | 16 | 4 | 9 | 15 | 0 | 0 | 0 | 1.90 | 13.29 | 1.71 | 3.86 | 6.43 | 8.14 | 1.67 |
| 1977 | Detroit Tigers | AL | MLB | DET | 31 | 26 | 3 | 5 | 5.70 | 14 | 10 | 0 | 0 | 4 | 1 | 0 | 66.1 | 83 | 44 | 42 | 9 | 15 | 27 | 4 | 0 | 3 | 1.48 | 11.26 | 1.22 | 2.04 | 3.66 | 5.97 | 1.80 |
| 1978 | Columbus Astros | Sou | AA | HOU | - | 27 | 4 | 1 | 1.85 | 5 | 5 | 4 | 1 | 0 | 0 | 0 | 39.0 | 32 | 9 | 8 | 3 | 8 | 25 | 1 | 0 | 1 | 1.03 | 7.38 | 0.69 | 1.85 | 5.77 | 2.08 | 3.13 |
| 1978 | Charleston Charlies | IL | AAA | HOU | - | 27 | 4 | 4 | 2.78 | 13 | 13 | 5 | 1 | 0 | 0 | 0 | 94.0 | 89 | 36 | 29 | 5 | 16 | 48 | 1 | 0 | 0 | 1.12 | 8.52 | 0.48 | 1.53 | 4.60 | 3.45 | 3.00 |
| 1978 | Houston Astros | NL | MLB | HOU | 48 | 27 | 3 | 3 | 2.12 | 13 | 10 | 2 | 2 | 3 | 1 | 0 | 68.0 | 57 | 17 | 16 | 0 | 20 | 27 | 1 | 1 | 1 | 1.13 | 7.54 | 0.00 | 2.65 | 3.57 | 2.25 | 1.35 |
| 1979 | Houston Astros | NL | MLB | HOU | 48 | 28 | 2 | 6 | 4.07 | 13 | 10 | 2 | 2 | 3 | 0 | 0 | 66.1 | 64 | 33 | 30 | 9 | 8 | 33 | 2 | 0 | 2 | 1.09 | 8.68 | 1.22 | 1.09 | 4.48 | 4.48 | 4.13 |
| 1980 | Houston Astros | NL | MLB | HOU | 48 | 29 | 12 | 4 | 2.37 | 28 | 22 | 6 | 2 | 6 | 1 | 0 | 159.1 | 148 | 51 | 42 | 7 | 29 | 55 | 0 | 2 | 3 | 1.11 | 8.36 | 0.40 | 1.64 | 3.11 | 2.88 | 1.90 |
| 1981 | Houston Astros | NL | MLB | HOU | 48 | 30 | 4 | 6 | 2.91 | 20 | 15 | 1 | 0 | 5 | 3 | 1 | 102.0 | 97 | 36 | 33 | 6 | 20 | 39 | 0 | 0 | 1 | 1.15 | 8.56 | 0.53 | 1.76 | 3.44 | 3.18 | 1.95 |
| 1982 | Houston Astros | NL | MLB | HOU | 48 | 31 | 9 | 13 | 3.93 | 31 | 21 | 3 | 2 | 10 | 3 | 1 | 149.0 | 169 | 81 | 65 | 12 | 24 | 56 | 0 | 1 | 4 | 1.30 | 10.21 | 0.72 | 1.45 | 3.38 | 4.89 | 2.33 |
| 1983 | Houston Astros | NL | MLB | HOU | 48 | 32 | 8 | 5 | 3.69 | 41 | 9 | 0 | 0 | 32 | 11 | 3 | 114.2 | 107 | 49 | 47 | 13 | 36 | 43 | 1 | 0 | 3 | 1.25 | 8.40 | 1.02 | 2.83 | 3.37 | 3.85 | 1.19 |
| 1984 | Houston Astros | NL | MLB | HOU | 48 | 33 | 1 | 9 | 4.58 | 40 | 6 | 0 | 0 | 34 | 11 | 2 | 90.1 | 112 | 58 | 46 | 5 | 29 | 60 | 2 | 0 | 3 | 1.56 | 11.16 | 0.50 | 2.89 | 5.98 | 5.78 | 2.07 |
| 1985 | Cleveland Indians | AL | MLB | CLE | 48 | 34 | 2 | 10 | 4.32 | 42 | 16 | 1 | 0 | 26 | 7 | 3 | 125.0 | 139 | 65 | 60 | 16 | 30 | 54 | 2 | 0 | 2 | 1.35 | 10.01 | 1.15 | 2.16 | 3.89 | 4.68 | 1.80 |
| 1986 | San Jose Bees | Calif | A+ | - | 35 | 2 | 1 | 3.00 | 3 | 3 | 2 | 1 | 0 | 0 | 0 | 21.0 | 20 | 10 | 7 | 0 | 4 | 16 | 2 | 0 | 1 | 1.14 | 8.57 | 0.00 | 1.71 | 6.86 | 4.29 | 4.00 | |
| 1986 | Edmonton | PCL | AAA | - | 35 | 0 | 1 | 4.15 | 8 | 2 | 0 | 0 | 6 | 4 | 0 | 26.0 | 30 | 14 | 12 | 2 | 4 | 17 | 0 | 0 | 0 | 1.31 | 10.38 | 0.69 | 1.38 | 5.88 | 4.85 | 4.25 | |
| 1986 | California Angels | AL | MLB | CAL | 43 | 35 | 1 | 3 | 4.15 | 16 | 3 | 0 | 0 | 13 | 5 | 1 | 47.2 | 46 | 25 | 22 | 5 | 7 | 23 | 1 | 0 | 1 | 1.11 | 8.69 | 0.94 | 1.32 | 4.34 | 4.72 | 3.29 |
| 1987 | Edmonton | PCL | AAA | - | 36 | 0 | 7 | 6.26 | 25 | 9 | 0 | 0 | 16 | 9 | 0 | 77.2 | 100 | 63 | 54 | 8 | 28 | 37 | 5 | 0 | 5 | 1.65 | 11.59 | 0.93 | 3.24 | 4.29 | 7.30 | 1.32 | |
| Tot: | MLB (13 yrs) | MLB | 67 | 88 | 3.73 | 327 | 188 | 29 | 12 | 45 | 139 | 11 | 1411.1 | 1483 | 675 | 585 | 119 | 348 | 582 | 15 | 5 | 35 | 1.30 | 9.46 | 0.76 | 2.22 | 3.71 | 4.30 | 1.67 | ||||
| Tot: | AL (6 yrs) | AL | 28 | 42 | 4.16 | 141 | 95 | 15 | 4 | 15 | 46 | 4 | 661.2 | 729 | 350 | 306 | 67 | 182 | 269 | 9 | 1 | 18 | 1.38 | 9.92 | 0.91 | 2.48 | 3.66 | 4.76 | 1.48 | ||||
| Tot: | NL (7 yrs) | NL | 39 | 46 | 3.35 | 186 | 93 | 14 | 8 | 30 | 93 | 7 | 749.2 | 754 | 325 | 279 | 52 | 166 | 313 | 6 | 4 | 17 | 1.23 | 9.05 | 0.62 | 1.99 | 3.76 | 3.90 | 1.89 | ||||
| Tot: | Minors (4 yrs) | Minors | 11 | 18 | 4.07 | 64 | 36 | 11 | 3 | 13 | 28 | 0 | 278.2 | 302 | 151 | 126 | 22 | 69 | 158 | 9 | 0 | 7 | 1.33 | 9.75 | 0.71 | 2.23 | 5.10 | 4.88 | 2.29 | ||||
| Tot: | A+ (1 yrs) | A+ | 2 | 1 | 3.00 | 3 | 3 | 2 | 1 | 0 | 0 | 0 | 21.0 | 20 | 10 | 7 | 0 | 4 | 16 | 2 | 0 | 1 | 1.14 | 8.57 | 0.00 | 1.71 | 6.86 | 4.29 | 4.00 | ||||
| Tot: | AA (1 yrs) | AA | 4 | 1 | 1.85 | 5 | 5 | 4 | 1 | 0 | 0 | 0 | 39.0 | 32 | 9 | 8 | 3 | 8 | 25 | 1 | 0 | 1 | 1.03 | 7.38 | 0.69 | 1.85 | 5.77 | 2.08 | 3.13 | ||||
| Tot: | AAA (4 yrs) | AAA | 5 | 16 | 4.57 | 56 | 28 | 5 | 1 | 13 | 28 | 0 | 218.2 | 250 | 132 | 111 | 19 | 57 | 117 | 6 | 0 | 5 | 1.40 | 10.29 | 0.78 | 2.35 | 4.82 | 5.43 | 2.05 | ||||
| Avg: | MLB - 162 Inning avg | MLB | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 162 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | ||||
| Avg: | Minors - 162 Inning avg | College | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 162 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 |
| year | team name | league | category | age | w | l | era | g | gs | cg | sho | gr | gf | sv | ip | h | r | er | hr | bb | so | wp | bk | hb | whip | h9 | hr9 | bb9 | so9 | ra9 | so/bb |
| 1980 | Houston Astros | Championship Series | Playoffs | 29 | 0 | 0 | 3.86 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 7.0 | 8 | 0 | 3 | 0 | 1 | 3 | 0 | 0 | 0 | 1.29 | 10.29 | 0.00 | 1.29 | 3.86 | 0.00 | 3.00 |
| 1981 | Houston Astros | Division Series | Playoffs | 30 | 0 | 1 | 2.25 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 8.0 | 4 | 0 | 2 | 0 | 2 | 1 | 0 | 0 | 0 | 0.75 | 4.50 | 0.00 | 2.25 | 1.13 | 0.00 | 0.50 |
| 1986 | California Angels | Championship Series | Playoffs | 35 | 0 | 0 | 13.50 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0.2 | 2 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 3.00 | 27.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| Tot: | Playoffs (3 Yrs) | Playoffs | 0 | 1 | 3.45 | 3 | 0 | 1 | 0 | 0 | 3 | 0 | 15.2 | 14 | 0 | 6 | 0 | 3 | 4 | 0 | 0 | 0 | 1.09 | 8.04 | 0.00 | 1.72 | 2.30 | 0.00 | 1.33 |
| year | team name | league | level | mlb | # | age | pos | tbc+ | g | ab | r | h | 2b | 3b | hr | rbi | sb | cs | bb | so | hbp | sh | sf | ibb | gdp | tb | pa | xbh | 1b | avg | obp | slg | ops | seca | iso | babip | bb% | so% | so/bb | ab/hr |
| 1977 | Evansville Triplets | Amer | AAA | DET | - | 26 | P | 10 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 0 | 0 | .000 | .200 | .000 | .200 | .250 | .000 | .000 | 20.00 | 80.00 | 4.00 | 0.00 | |
| 1978 | Houston Astros | NL | MLB | HOU | 48 | 27 | P | 13 | 18 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 2 | 14 | 0 | 1 | 0 | 0 | 1 | 1 | 21 | 0 | 1 | .056 | .150 | .056 | .206 | .111 | .000 | .250 | 9.52 | 66.67 | 7.00 | 0.00 | |
| 1979 | Houston Astros | NL | MLB | HOU | 48 | 28 | P | 13 | 19 | 3 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 11 | 0 | 2 | 0 | 0 | 0 | 2 | 22 | 1 | 0 | .053 | .100 | .105 | .205 | .105 | .052 | .125 | 4.55 | 50.00 | 11.00 | 0.00 | |
| 1980 | Houston Astros | NL | MLB | HOU | 48 | 29 | P | 28 | 49 | 7 | 12 | 3 | 0 | 0 | 2 | 0 | 0 | 4 | 15 | 0 | 4 | 0 | 0 | 2 | 15 | 57 | 3 | 9 | .245 | .302 | .306 | .608 | .143 | .061 | .353 | 7.02 | 26.32 | 3.75 | 0.00 | |
| 1981 | Houston Astros | NL | MLB | HOU | 48 | 30 | P | 20 | 24 | 1 | 6 | 1 | 0 | 0 | 3 | 0 | 0 | 6 | 11 | 0 | 4 | 0 | 0 | 0 | 7 | 34 | 1 | 5 | .250 | .400 | .292 | .692 | .292 | .042 | .462 | 17.65 | 32.35 | 1.83 | 0.00 | |
| 1982 | Houston Astros | NL | MLB | HOU | 48 | 31 | P | 31 | 41 | 0 | 4 | 0 | 0 | 0 | 1 | 0 | 1 | 4 | 27 | 1 | 5 | 0 | 0 | 0 | 4 | 51 | 0 | 4 | .098 | .196 | .098 | .294 | .073 | .000 | .286 | 7.84 | 52.94 | 6.75 | 0.00 | |
| 1983 | Houston Astros | NL | MLB | HOU | 48 | 32 | P | 41 | 19 | 1 | 2 | 0 | 0 | 0 | 2 | 0 | 0 | 3 | 11 | 0 | 4 | 0 | 0 | 0 | 2 | 26 | 0 | 2 | .105 | .227 | .105 | .332 | .158 | .000 | .250 | 11.54 | 42.31 | 3.67 | 0.00 | |
| 1984 | Houston Astros | NL | MLB | HOU | 48 | 33 | P | 40 | 12 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 7 | 0 | 0 | 0 | 0 | 0 | 1 | 14 | 0 | 1 | .083 | .214 | .083 | .297 | .167 | .000 | .200 | 14.29 | 50.00 | 3.50 | 0.00 | |
| Tot: | MLB (7 yrs) | MLB | 186 | 182 | 12 | 27 | 5 | 0 | 0 | 9 | 0 | 1 | 22 | 96 | 1 | 20 | 0 | 0 | 3 | 32 | 225 | 5 | 22 | .148 | .244 | .176 | .420 | .143 | .027 | .314 | 9.78 | 42.67 | 4.36 | |||||||
| Tot: | NL (7 yrs) | NL | 186 | 182 | 12 | 27 | 5 | 0 | 0 | 9 | 0 | 1 | 22 | 96 | 1 | 20 | 0 | 0 | 3 | 32 | 225 | 5 | 22 | .148 | .244 | .176 | .420 | .143 | .027 | .314 | 9.78 | 42.67 | 4.36 | |||||||
| Tot: | Minors (1 yrs) | Minors | 10 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 0 | 0 | .000 | .200 | .000 | .200 | .250 | .000 | 20.00 | 80.00 | 4.00 | ||||||||
| Tot: | AAA (1 yrs) | AAA | 10 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 0 | 0 | .000 | .200 | .000 | .200 | .250 | .000 | 20.00 | 80.00 | 4.00 | ||||||||
| Avg: | MLB - 162 game avg | MLB | 162 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | ||||||
| Avg: | Minors - 162 game avg | College | 162 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 |
| year | team name | league | category | age | g | ab | r | h | 2b | 3b | hr | rbi | sb | cs | bb | so | hbp | sh | sf | ibb | gdp | tb | pa | xbh | 1b | avg | obp | slg | ops | seca | iso | babip | bb% | so% | so/bb | ab/hr |
| 1980 | Houston Astros | Championship Series | Playoffs | 29 | 1 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | .000 | .000 | .000 | .000 | .000 | .000 | .000 | 0.00 | 33.33 | 0.00 | 0.00 |
| 1981 | Houston Astros | Division Series | Playoffs | 30 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | .000 | .000 | .000 | .000 | .000 | .000 | .000 | 0.00 | 100.00 | 0.00 | 0.00 |
| Tot: | Playoffs (2 Yrs) | Playoffs | 2 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 0 | .000 | .000 | .000 | .000 | .000 | .000 | .000 | 0.00 | 50.00 |
| Strikeouts | Walks | Hittable | SO/BB | vs Power | Durability | Team Success |
| 26 | 86 | 39 | 68 | 39 | 59 | .491 |