| 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 |
| 1980 | Gulf Coast Astros Orange | GCL | Rk | HOU | - | 22 | 2 | 2 | 1.80 | 8 | 8 | 1 | 0 | 0 | 0 | 0 | 50.0 | 38 | 18 | 10 | 0 | 21 | 41 | 0 | 0 | 1 | 1.18 | 6.84 | 0.00 | 3.78 | 7.38 | 3.24 | 1.95 |
| 1981 | Daytona Astros | FSL | A+ | HOU | - | 23 | 6 | 6 | 3.73 | 21 | 20 | 5 | 3 | 1 | 1 | 0 | 111.0 | 106 | 55 | 46 | 3 | 71 | 94 | 10 | 0 | 2 | 1.59 | 8.59 | 0.24 | 5.76 | 7.62 | 4.46 | 1.32 |
| 1982 | Daytona Astros | FSL | A+ | HOU | - | 24 | 9 | 6 | 4.64 | 21 | 19 | 5 | 2 | 2 | 1 | 1 | 116.1 | 126 | 71 | 60 | 5 | 55 | 62 | 17 | 0 | 3 | 1.56 | 9.75 | 0.39 | 4.26 | 4.80 | 5.49 | 1.13 |
| 1982 | Columbus Astros | Sou | AA | HOU | - | 24 | 1 | 3 | 5.71 | 7 | 7 | 0 | 0 | 0 | 0 | 0 | 34.2 | 44 | 35 | 22 | 5 | 28 | 32 | 4 | 0 | 1 | 2.08 | 11.42 | 1.30 | 7.27 | 8.31 | 9.09 | 1.14 |
| 1983 | Columbus Astros | Sou | AA | HOU | - | 25 | 6 | 11 | 4.64 | 27 | 25 | 4 | 1 | 2 | 1 | 0 | 151.1 | 157 | 103 | 78 | 15 | 83 | 93 | 16 | 0 | 4 | 1.59 | 9.34 | 0.89 | 4.94 | 5.53 | 6.13 | 1.12 |
| 1984 | Columbus Astros | Sou | AA | HOU | - | 26 | 4 | 2 | 2.83 | 37 | 1 | 0 | 0 | 36 | 28 | 8 | 63.2 | 52 | 21 | 20 | 3 | 26 | 51 | 3 | 0 | 0 | 1.23 | 7.35 | 0.42 | 3.68 | 7.21 | 2.97 | 1.96 |
| 1984 | Tucson Toros | PCL | AAA | HOU | - | 26 | 1 | 1 | 1.66 | 14 | 0 | 0 | 0 | 14 | 11 | 2 | 21.2 | 16 | 4 | 4 | 0 | 12 | 20 | 1 | 0 | 0 | 1.29 | 6.65 | 0.00 | 4.98 | 8.31 | 1.66 | 1.67 |
| 1984 | Houston Astros | NL | MLB | HOU | 49 | 26 | 0 | 1 | 1.17 | 9 | 0 | 0 | 0 | 9 | 2 | 0 | 15.1 | 5 | 3 | 2 | 0 | 2 | 11 | 2 | 0 | 0 | 0.46 | 2.93 | 0.00 | 1.17 | 6.46 | 1.76 | 5.50 |
| 1985 | Houston Astros | NL | MLB | HOU | 49 | 27 | 2 | 5 | 2.54 | 44 | 0 | 0 | 0 | 44 | 21 | 4 | 63.2 | 56 | 21 | 18 | 2 | 24 | 47 | 4 | 1 | 0 | 1.26 | 7.92 | 0.28 | 3.39 | 6.64 | 2.97 | 1.96 |
| 1986 | Tucson Toros | PCL | AAA | HOU | - | 28 | 1 | 3 | 4.38 | 22 | 2 | 0 | 0 | 20 | 6 | 2 | 39.0 | 29 | 20 | 19 | 2 | 19 | 28 | 4 | 0 | 1 | 1.23 | 6.69 | 0.46 | 4.38 | 6.46 | 4.62 | 1.47 |
| 1986 | Houston Astros | NL | MLB | HOU | 49 | 28 | 1 | 0 | 3.71 | 20 | 0 | 0 | 0 | 20 | 7 | 0 | 26.2 | 28 | 16 | 11 | 3 | 12 | 14 | 2 | 0 | 0 | 1.50 | 9.45 | 1.01 | 4.05 | 4.72 | 5.40 | 1.17 |
| 1987 | Maine Guides | IL | AAA | PHI | - | 29 | 1 | 1 | 0.99 | 28 | 0 | 0 | 0 | 28 | 16 | 6 | 36.1 | 24 | 5 | 4 | 1 | 11 | 37 | 3 | 0 | 0 | 0.96 | 5.94 | 0.25 | 2.72 | 9.17 | 1.24 | 3.36 |
| 1987 | Philadelphia Phillies | NL | MLB | PHI | 31 | 29 | 3 | 1 | 1.48 | 42 | 0 | 0 | 0 | 42 | 15 | 1 | 42.2 | 25 | 13 | 7 | 1 | 26 | 31 | 2 | 0 | 1 | 1.20 | 5.27 | 0.21 | 5.48 | 6.54 | 2.74 | 1.19 |
| 1988 | Reading Phillies | East | AA | PHI | - | 30 | 0 | 1 | 0.75 | 7 | 4 | 0 | 0 | 3 | 0 | 0 | 12.0 | 6 | 2 | 1 | 1 | 4 | 8 | 0 | 0 | 0 | 0.83 | 4.50 | 0.75 | 3.00 | 6.00 | 1.50 | 2.00 |
| 1988 | Maine Phillies | IL | AAA | PHI | - | 30 | 1 | 1 | 4.66 | 38 | 0 | 0 | 0 | 38 | 10 | 1 | 36.2 | 32 | 20 | 19 | 4 | 24 | 25 | 9 | 0 | 1 | 1.53 | 7.85 | 0.98 | 5.89 | 6.14 | 4.91 | 1.04 |
| 1988 | Philadelphia Phillies | NL | MLB | PHI | 31 | 30 | 0 | 0 | 15.43 | 3 | 0 | 0 | 0 | 3 | 0 | 0 | 2.1 | 6 | 4 | 4 | 2 | 1 | 1 | 0 | 0 | 0 | 3.00 | 23.14 | 7.71 | 3.86 | 3.86 | 15.43 | 1.00 |
| Tot: | MLB (5 yrs) | MLB | 6 | 7 | 2.51 | 118 | 0 | 0 | 0 | 45 | 118 | 5 | 150.2 | 120 | 57 | 42 | 8 | 65 | 104 | 10 | 1 | 1 | 1.23 | 7.17 | 0.48 | 3.88 | 6.21 | 3.40 | 1.60 | ||||
| Tot: | NL (5 yrs) | NL | 6 | 7 | 2.51 | 118 | 0 | 0 | 0 | 45 | 118 | 5 | 150.2 | 120 | 57 | 42 | 8 | 65 | 104 | 10 | 1 | 1 | 1.23 | 7.17 | 0.48 | 3.88 | 6.21 | 3.40 | 1.60 | ||||
| Tot: | Minors (8 yrs) | Minors | 32 | 37 | 3.79 | 230 | 86 | 15 | 6 | 74 | 144 | 20 | 672.2 | 630 | 354 | 283 | 39 | 354 | 491 | 67 | 0 | 13 | 1.46 | 8.43 | 0.52 | 4.74 | 6.57 | 4.74 | 1.39 | ||||
| Tot: | Rk (1 yrs) | Rk | 2 | 2 | 1.80 | 8 | 8 | 1 | 0 | 0 | 0 | 0 | 50.0 | 38 | 18 | 10 | 0 | 21 | 41 | 0 | 0 | 1 | 1.18 | 6.84 | 0.00 | 3.78 | 7.38 | 3.24 | 1.95 | ||||
| Tot: | A+ (2 yrs) | A+ | 15 | 12 | 4.20 | 42 | 39 | 10 | 5 | 2 | 3 | 1 | 227.1 | 232 | 126 | 106 | 8 | 126 | 156 | 27 | 0 | 5 | 1.57 | 9.18 | 0.32 | 4.99 | 6.18 | 4.99 | 1.24 | ||||
| Tot: | AA (4 yrs) | AA | 11 | 17 | 4.16 | 78 | 37 | 4 | 1 | 29 | 41 | 8 | 261.2 | 259 | 161 | 121 | 24 | 141 | 184 | 23 | 0 | 5 | 1.53 | 8.91 | 0.83 | 4.85 | 6.33 | 5.54 | 1.30 | ||||
| Tot: | AAA (4 yrs) | AAA | 4 | 6 | 3.10 | 102 | 2 | 0 | 0 | 43 | 100 | 11 | 133.2 | 101 | 49 | 46 | 7 | 66 | 110 | 17 | 0 | 2 | 1.25 | 6.80 | 0.47 | 4.44 | 7.41 | 3.30 | 1.67 | ||||
| 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 |
| 1986 | Houston Astros | Championship Series | Playoffs | 28 | 0 | 0 | 9.00 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1.0 | 1 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 2.00 | 9.00 | 0.00 | 9.00 | 0.00 | 0.00 | 0.00 |
| Tot: | Playoffs (1 Yrs) | Playoffs | 0 | 0 | 9.00 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 1.0 | 1 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 2.00 | 9.00 | 0.00 | 9.00 | 0.00 | 0.00 | 0.00 |
| 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 |
| 1984 | Columbus Astros | Sou | AA | HOU | - | 26 | P | 37 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | .000 | .000 | .000 | .000 | .000 | .000 | .000 | 0.00 | 0.00 | 0.00 | 0.00 | |
| 1984 | Tucson Toros | PCL | AAA | HOU | - | 26 | P | 14 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | .000 | .000 | .000 | .000 | .000 | .000 | .000 | 0.00 | 0.00 | 0.00 | 0.00 | |
| 1985 | Houston Astros | NL | MLB | HOU | 49 | 27 | P | 44 | 5 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 2 | 0 | 0 | 1 | 0 | 0 | 0 | 7 | 0 | 0 | .000 | .143 | .000 | .143 | .200 | .000 | .000 | 14.29 | 28.57 | 2.00 | 0.00 | |
| 1986 | Tucson Toros | PCL | AAA | HOU | - | 28 | P | 22 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 0 | 0 | .000 | .400 | .000 | .400 | .667 | .000 | .000 | 40.00 | 40.00 | 1.00 | 0.00 | |
| 1987 | Philadelphia Phillies | NL | MLB | PHI | 31 | 29 | P | 42 | 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 | |
| 1988 | Maine Phillies | IL | AAA | PHI | - | 30 | P | 38 | 5 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 0 | 0 | .000 | .000 | .000 | .000 | .000 | .000 | .000 | 0.00 | 40.00 | 0.00 | 0.00 | |
| Tot: | MLB (2 yrs) | MLB | 86 | 6 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 3 | 0 | 0 | 1 | 0 | 0 | 0 | 8 | 0 | 0 | .000 | .125 | .000 | .125 | .167 | .000 | .000 | 12.50 | 37.50 | 3.00 | |||||||
| Tot: | NL (2 yrs) | NL | 86 | 6 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 3 | 0 | 0 | 1 | 0 | 0 | 0 | 8 | 0 | 0 | .000 | .125 | .000 | .125 | .167 | .000 | .000 | 12.50 | 37.50 | 3.00 | |||||||
| Tot: | Minors (3 yrs) | Minors | 111 | 11 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 13 | 0 | 0 | .000 | .154 | .000 | .154 | .182 | .000 | .000 | 15.38 | 30.77 | 2.00 | |||||||
| Tot: | AA (1 yrs) | AA | 37 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | .000 | .000 | .000 | .000 | .000 | .000 | .000 | 0.00 | 0.00 | ||||||||
| Tot: | AAA (3 yrs) | AAA | 74 | 9 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 11 | 0 | 0 | .000 | .182 | .000 | .182 | .222 | .000 | .000 | 18.18 | 36.36 | 2.00 | |||||||
| Avg: | MLB - 162 game avg | MLB | 162 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | ||||||
| Avg: | Minors - 162 game avg | College | 162 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 |
| Strikeouts | Walks | Hittable | SO/BB | vs Power | Durability | Team Success |
| 62 | 45 | 75 | 51 | 75 | 63 | .487 |