| 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 |
| 1982 | Daytona Astros | FSL | A+ | HOU | - | 21 | 2 | 6 | 4.77 | 12 | 11 | 2 | 1 | 1 | 0 | 0 | 60.1 | 75 | 35 | 32 | 0 | 23 | 15 | 3 | 0 | 0 | 1.62 | 11.19 | 0.00 | 3.43 | 2.24 | 5.22 | 0.65 |
| 1983 | Daytona Astros | FSL | A+ | HOU | - | 22 | 5 | 3 | 2.40 | 12 | 12 | 2 | 1 | 0 | 0 | 0 | 78.2 | 80 | 29 | 21 | 3 | 22 | 47 | 6 | 0 | 1 | 1.30 | 9.15 | 0.34 | 2.52 | 5.38 | 3.32 | 2.14 |
| 1983 | Columbus Astros | Sou | AA | HOU | - | 22 | 4 | 5 | 4.26 | 13 | 13 | 3 | 0 | 0 | 0 | 0 | 69.2 | 82 | 40 | 33 | 8 | 21 | 28 | 3 | 0 | 2 | 1.48 | 10.59 | 1.03 | 2.71 | 3.62 | 5.17 | 1.33 |
| 1984 | Columbus Astros | Sou | AA | HOU | - | 23 | 4 | 5 | 2.23 | 14 | 14 | 3 | 0 | 0 | 0 | 0 | 101.0 | 100 | 32 | 25 | 2 | 27 | 54 | 2 | 0 | 0 | 1.26 | 8.91 | 0.18 | 2.41 | 4.81 | 2.85 | 2.00 |
| 1984 | Tucson Toros | PCL | AAA | HOU | - | 23 | 4 | 6 | 3.64 | 13 | 13 | 1 | 0 | 0 | 0 | 0 | 84.0 | 93 | 41 | 34 | 6 | 20 | 42 | 1 | 0 | 1 | 1.35 | 9.96 | 0.64 | 2.14 | 4.50 | 4.39 | 2.10 |
| 1985 | Tucson Toros | PCL | AAA | HOU | - | 24 | 8 | 5 | 4.01 | 24 | 22 | 4 | 2 | 2 | 0 | 0 | 146.0 | 171 | 69 | 65 | 10 | 37 | 68 | 6 | 0 | 0 | 1.42 | 10.54 | 0.62 | 2.28 | 4.19 | 4.25 | 1.84 |
| 1985 | Houston Astros | NL | MLB | HOU | 41 | 24 | 0 | 2 | 9.00 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 11.0 | 21 | 11 | 11 | 0 | 3 | 4 | 0 | 0 | 0 | 2.18 | 17.18 | 0.00 | 2.45 | 3.27 | 9.00 | 1.33 |
| 1986 | Tucson Toros | PCL | AAA | HOU | - | 25 | 6 | 6 | 4.13 | 17 | 16 | 4 | 1 | 1 | 0 | 0 | 106.2 | 124 | 54 | 49 | 4 | 26 | 63 | 3 | 0 | 0 | 1.41 | 10.46 | 0.34 | 2.19 | 5.32 | 4.56 | 2.42 |
| 1986 | Houston Astros | NL | MLB | HOU | 41 | 25 | 1 | 5 | 4.22 | 9 | 7 | 0 | 0 | 2 | 1 | 0 | 42.2 | 48 | 23 | 20 | 5 | 15 | 20 | 1 | 0 | 1 | 1.48 | 10.12 | 1.05 | 3.16 | 4.22 | 4.85 | 1.33 |
| 1986 | Milwaukee Brewers | AL | MLB | MIL | 43 | 25 | 0 | 1 | 7.64 | 4 | 1 | 0 | 0 | 3 | 1 | 0 | 17.2 | 22 | 15 | 15 | 7 | 5 | 9 | 1 | 0 | 0 | 1.53 | 11.21 | 3.57 | 2.55 | 4.58 | 7.64 | 1.80 |
| 1987 | Denver Zephyrs | Amer | AAA | MIL | - | 26 | 7 | 2 | 5.86 | 14 | 14 | 1 | 0 | 0 | 0 | 0 | 78.1 | 89 | 53 | 51 | 11 | 30 | 37 | 4 | 0 | 2 | 1.52 | 10.23 | 1.26 | 3.45 | 4.25 | 6.09 | 1.23 |
| 1987 | Milwaukee Brewers | AL | MLB | MIL | 41 | 26 | 4 | 4 | 5.37 | 15 | 8 | 1 | 0 | 7 | 3 | 0 | 62.0 | 88 | 46 | 37 | 7 | 14 | 26 | 1 | 0 | 0 | 1.65 | 12.77 | 1.02 | 2.03 | 3.77 | 6.68 | 1.86 |
| 1988 | Denver Zephyrs | Amer | AAA | MIL | - | 27 | 11 | 8 | 3.40 | 24 | 22 | 6 | 0 | 2 | 1 | 0 | 164.1 | 180 | 67 | 62 | 4 | 33 | 66 | 6 | 0 | 5 | 1.30 | 9.86 | 0.22 | 1.81 | 3.61 | 3.67 | 2.00 |
| 1988 | Milwaukee Brewers | AL | MLB | MIL | 41 | 27 | 0 | 0 | 1.13 | 5 | 0 | 0 | 0 | 5 | 3 | 0 | 16.0 | 17 | 3 | 2 | 1 | 2 | 7 | 1 | 0 | 0 | 1.19 | 9.56 | 0.56 | 1.13 | 3.94 | 1.69 | 3.50 |
| 1989 | Milwaukee Brewers | AL | MLB | MIL | 41 | 28 | 8 | 5 | 3.35 | 40 | 7 | 1 | 0 | 33 | 16 | 0 | 123.2 | 110 | 50 | 46 | 15 | 29 | 47 | 2 | 0 | 3 | 1.12 | 8.01 | 1.09 | 2.11 | 3.42 | 3.64 | 1.62 |
| 1990 | Milwaukee Brewers | AL | MLB | MIL | 41 | 29 | 10 | 9 | 4.12 | 30 | 27 | 4 | 2 | 3 | 0 | 0 | 168.1 | 187 | 84 | 77 | 14 | 40 | 56 | 6 | 0 | 3 | 1.35 | 10.00 | 0.75 | 2.14 | 2.99 | 4.49 | 1.40 |
| 1991 | Denver Zephyrs | Amer | AAA | MIL | - | 30 | 4 | 4 | 5.40 | 13 | 10 | 2 | 0 | 3 | 2 | 1 | 51.2 | 73 | 34 | 31 | 5 | 13 | 28 | 1 | 0 | 2 | 1.66 | 12.72 | 0.87 | 2.26 | 4.88 | 5.92 | 2.15 |
| 1991 | Milwaukee Brewers | AL | MLB | MIL | 41 | 30 | 1 | 3 | 7.97 | 12 | 7 | 0 | 0 | 5 | 3 | 0 | 35.0 | 54 | 33 | 31 | 8 | 15 | 23 | 1 | 0 | 1 | 1.97 | 13.89 | 2.06 | 3.86 | 5.91 | 8.49 | 1.53 |
| 1992 | Las Vegas Stars | PCL | AAA | SDN | 41 | 31 | 11 | 7 | 4.47 | 37 | 20 | 1 | 1 | 17 | 8 | 3 | 147.0 | 184 | 90 | 73 | 6 | 47 | 79 | 4 | 5 | 0 | 1.57 | 11.27 | 0.37 | 2.88 | 4.84 | 5.51 | 1.68 |
| 1993 | Colorado Springs Sky Sox | PCL | AAA | COL | - | 32 | 3 | 1 | 2.25 | 5 | 5 | 1 | 1 | 0 | 0 | 0 | 28.0 | 30 | 12 | 7 | 0 | 8 | 15 | 1 | 0 | 0 | 1.36 | 9.64 | 0.00 | 2.57 | 4.82 | 3.86 | 1.88 |
| 1993 | Colorado Rockies | NL | MLB | COL | 41 | 32 | 0 | 0 | 22.24 | 4 | 0 | 0 | 0 | 4 | 2 | 0 | 5.2 | 16 | 14 | 14 | 4 | 5 | 3 | 2 | 0 | 0 | 3.71 | 25.41 | 6.35 | 7.94 | 4.76 | 22.24 | 0.60 |
| Tot: | MLB (8 yrs) | MLB | 24 | 29 | 4.72 | 121 | 59 | 6 | 2 | 29 | 62 | 0 | 482.0 | 563 | 279 | 253 | 61 | 128 | 195 | 15 | 0 | 8 | 1.43 | 10.51 | 1.14 | 2.39 | 3.64 | 5.21 | 1.52 | ||||
| Tot: | NL (3 yrs) | NL | 1 | 7 | 6.83 | 15 | 9 | 0 | 0 | 3 | 6 | 0 | 59.1 | 85 | 48 | 45 | 9 | 23 | 27 | 3 | 0 | 1 | 1.82 | 12.89 | 1.37 | 3.49 | 4.10 | 7.28 | 1.17 | ||||
| Tot: | AL (6 yrs) | AL | 23 | 22 | 4.43 | 106 | 50 | 6 | 2 | 26 | 56 | 0 | 422.2 | 478 | 231 | 208 | 52 | 105 | 168 | 12 | 0 | 7 | 1.38 | 10.18 | 1.11 | 2.24 | 3.58 | 4.92 | 1.60 | ||||
| Tot: | Minors (10 yrs) | Minors | 69 | 58 | 3.90 | 198 | 172 | 30 | 7 | 11 | 26 | 4 | 1115.2 | 1281 | 556 | 483 | 59 | 307 | 542 | 40 | 5 | 13 | 1.42 | 10.33 | 0.48 | 2.48 | 4.37 | 4.49 | 1.77 | ||||
| Tot: | A+ (2 yrs) | A+ | 7 | 9 | 3.43 | 24 | 23 | 4 | 2 | 0 | 1 | 0 | 139.0 | 155 | 64 | 53 | 3 | 45 | 62 | 9 | 0 | 1 | 1.44 | 10.04 | 0.19 | 2.91 | 4.01 | 4.14 | 1.38 | ||||
| Tot: | AA (2 yrs) | AA | 8 | 10 | 3.06 | 27 | 27 | 6 | 0 | 0 | 0 | 0 | 170.2 | 182 | 72 | 58 | 10 | 48 | 82 | 5 | 0 | 2 | 1.35 | 9.60 | 0.53 | 2.53 | 4.32 | 3.80 | 1.71 | ||||
| Tot: | AAA (8 yrs) | AAA | 54 | 39 | 4.15 | 147 | 122 | 20 | 5 | 11 | 25 | 4 | 806.0 | 944 | 420 | 372 | 46 | 214 | 398 | 26 | 5 | 10 | 1.44 | 10.54 | 0.51 | 2.39 | 4.44 | 4.69 | 1.86 | ||||
| Avg: | MLB - 162 Inning avg | MLB | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 162 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | ||||
| Avg: | Minors - 162 Inning avg | College | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 162 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 |
| 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 | - | 23 | P | 14 | 8 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 1 | 0 | 0 | 0 | 1 | 9 | 0 | 1 | .125 | .125 | .125 | .250 | .000 | .000 | .167 | 0.00 | 22.22 | 0.00 | 0.00 | |
| 1984 | Tucson Toros | PCL | AAA | HOU | - | 23 | P | 13 | 17 | 1 | 2 | 0 | 0 | 0 | 2 | 0 | 0 | 1 | 7 | 0 | 2 | 0 | 0 | 0 | 2 | 20 | 0 | 2 | .118 | .167 | .118 | .285 | .059 | .000 | .200 | 5.00 | 35.00 | 7.00 | 0.00 | |
| 1985 | Tucson Toros | PCL | AAA | HOU | - | 24 | P | 24 | 26 | 1 | 3 | 0 | 0 | 0 | 2 | 0 | 0 | 4 | 14 | 0 | 3 | 0 | 0 | 0 | 3 | 33 | 0 | 3 | .115 | .233 | .115 | .348 | .154 | .000 | .250 | 12.12 | 42.42 | 3.50 | 0.00 | |
| 1985 | Houston Astros | NL | MLB | HOU | 41 | 24 | P | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | .000 | .333 | .000 | .333 | .500 | .000 | .000 | 33.33 | 66.67 | 2.00 | 0.00 | |
| 1986 | Tucson Toros | PCL | AAA | HOU | - | 25 | P | 17 | 12 | 3 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 4 | 0 | 4 | 0 | 0 | 0 | 1 | 17 | 0 | 1 | .083 | .154 | .083 | .237 | .083 | .000 | .125 | 5.88 | 23.53 | 4.00 | 0.00 | |
| 1986 | Houston Astros | NL | MLB | HOU | 41 | 25 | P | 9 | 10 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 7 | 0 | 3 | 0 | 0 | 0 | 0 | 14 | 0 | 0 | .000 | .091 | .000 | .091 | .100 | .000 | .000 | 7.14 | 50.00 | 7.00 | 0.00 | |
| 1992 | Las Vegas Stars | PCL | AAA | SDN | 41 | 31 | P | 37 | 27 | 1 | 2 | 1 | 0 | 0 | 2 | 0 | 0 | 0 | 8 | 0 | 1 | 0 | 0 | 0 | 3 | 28 | 1 | 1 | .074 | .074 | .111 | .185 | .037 | .037 | .105 | 0.00 | 28.57 | 0.00 | 0.00 | |
| 1993 | Colorado Springs Sky Sox | PCL | AAA | COL | - | 32 | P | 5 | 4 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 3 | 0 | 0 | 0 | 0 | 7 | 0 | 0 | .000 | .000 | .000 | .000 | .000 | .000 | .000 | 0.00 | 14.29 | 0.00 | 0.00 | |
| 1993 | Colorado Rockies | NL | MLB | COL | 41 | 32 | P | 4 | 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: | MLB (3 yrs) | MLB | 15 | 13 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 10 | 0 | 3 | 0 | 0 | 0 | 0 | 18 | 0 | 0 | .000 | .133 | .000 | .133 | .154 | .000 | .000 | 11.11 | 55.56 | 5.00 | |||||||
| Tot: | NL (3 yrs) | NL | 15 | 13 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 10 | 0 | 3 | 0 | 0 | 0 | 0 | 18 | 0 | 0 | .000 | .133 | .000 | .133 | .154 | .000 | .000 | 11.11 | 55.56 | 5.00 | |||||||
| Tot: | Minors (5 yrs) | Minors | 110 | 94 | 8 | 9 | 1 | 0 | 0 | 7 | 0 | 0 | 6 | 36 | 0 | 14 | 0 | 0 | 0 | 10 | 114 | 1 | 8 | .096 | .150 | .106 | .256 | .074 | .011 | .155 | 5.26 | 31.58 | 6.00 | |||||||
| Tot: | AA (1 yrs) | AA | 14 | 8 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 1 | 0 | 0 | 0 | 1 | 9 | 0 | 1 | .125 | .125 | .125 | .250 | .000 | .000 | .167 | 0.00 | 22.22 | ||||||||
| Tot: | AAA (5 yrs) | AAA | 96 | 86 | 7 | 8 | 1 | 0 | 0 | 7 | 0 | 0 | 6 | 34 | 0 | 13 | 0 | 0 | 0 | 9 | 105 | 1 | 7 | .093 | .152 | .105 | .257 | .081 | .012 | .154 | 5.71 | 32.38 | 5.67 | |||||||
| Avg: | MLB - 162 game avg | MLB | 162 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | ||||||
| Avg: | Minors - 162 game avg | College | 162 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 |
| Strikeouts | Walks | Hittable | SO/BB | vs Power | Durability | Team Success |
| 14 | 82 | 21 | 54 | 21 | 50 | .510 |