| 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 |
| 1977 | Cocoa Astros | FSL | A+ | HOU | - | 22 | 7 | 5 | 3.10 | 14 | 14 | 6 | 2 | 0 | 0 | 0 | 93.0 | 97 | 40 | 32 | 2 | 31 | 81 | 1 | 2 | 0 | 1.38 | 9.39 | 0.19 | 3.00 | 7.84 | 3.87 | 2.61 |
| 1979 | Charleston Charlies | IL | AAA | HOU | - | 24 | 7 | 8 | 3.66 | 34 | 19 | 6 | 3 | 15 | 0 | 1 | 160.0 | 159 | 80 | 65 | 11 | 44 | 90 | 10 | 0 | 3 | 1.27 | 8.94 | 0.62 | 2.48 | 5.06 | 4.50 | 2.05 |
| 1980 | Houston Astros | NL | MLB | HOU | 45 | 25 | 7 | 5 | 1.93 | 57 | 0 | 0 | 0 | 57 | 35 | 10 | 102.2 | 90 | 24 | 22 | 1 | 32 | 85 | 3 | 1 | 4 | 1.19 | 7.89 | 0.09 | 2.81 | 7.45 | 2.10 | 2.66 |
| 1981 | Houston Astros | NL | MLB | HOU | 45 | 26 | 5 | 3 | 2.76 | 42 | 0 | 0 | 0 | 42 | 22 | 8 | 75.0 | 54 | 26 | 23 | 2 | 23 | 52 | 4 | 0 | 2 | 1.03 | 6.48 | 0.24 | 2.76 | 6.24 | 3.12 | 2.26 |
| 1982 | Houston Astros | NL | MLB | HOU | 45 | 27 | 5 | 4 | 3.84 | 49 | 1 | 0 | 0 | 48 | 29 | 11 | 63.1 | 69 | 30 | 27 | 4 | 31 | 28 | 2 | 4 | 0 | 1.58 | 9.81 | 0.57 | 4.41 | 3.98 | 4.26 | 0.90 |
| 1983 | Houston Astros | NL | MLB | HOU | 45 | 28 | 3 | 1 | 3.10 | 42 | 0 | 0 | 0 | 42 | 24 | 6 | 72.2 | 72 | 32 | 25 | 2 | 36 | 41 | 1 | 1 | 0 | 1.49 | 8.92 | 0.25 | 4.46 | 5.08 | 3.96 | 1.14 |
| 1984 | Houston Astros | NL | MLB | HOU | 45 | 29 | 5 | 4 | 2.21 | 53 | 0 | 0 | 0 | 53 | 24 | 5 | 77.1 | 60 | 22 | 19 | 5 | 20 | 45 | 1 | 1 | 1 | 1.03 | 6.98 | 0.58 | 2.33 | 5.24 | 2.56 | 2.25 |
| 1985 | Houston Astros | NL | MLB | HOU | 45 | 30 | 9 | 5 | 2.27 | 64 | 0 | 0 | 0 | 64 | 46 | 27 | 79.1 | 69 | 26 | 20 | 3 | 17 | 40 | 4 | 1 | 1 | 1.08 | 7.83 | 0.34 | 1.93 | 4.54 | 2.95 | 2.35 |
| 1986 | Houston Astros | NL | MLB | HOU | 45 | 31 | 4 | 7 | 2.73 | 54 | 0 | 0 | 0 | 54 | 51 | 33 | 56.0 | 39 | 17 | 17 | 5 | 22 | 46 | 2 | 0 | 1 | 1.09 | 6.27 | 0.80 | 3.54 | 7.39 | 2.73 | 2.09 |
| 1987 | Houston Astros | NL | MLB | HOU | 45 | 32 | 2 | 3 | 1.65 | 50 | 0 | 0 | 0 | 50 | 44 | 24 | 60.0 | 39 | 13 | 11 | 0 | 21 | 73 | 2 | 2 | 1 | 1.00 | 5.85 | 0.00 | 3.15 | 10.95 | 1.95 | 3.48 |
| 1988 | Houston Astros | NL | MLB | HOU | 45 | 33 | 4 | 5 | 2.67 | 51 | 0 | 0 | 0 | 51 | 39 | 27 | 57.1 | 60 | 26 | 17 | 1 | 19 | 38 | 1 | 3 | 1 | 1.38 | 9.42 | 0.16 | 2.98 | 5.97 | 4.08 | 2.00 |
| 1989 | Houston Astros | NL | MLB | HOU | 45 | 34 | 3 | 4 | 2.64 | 52 | 0 | 0 | 0 | 52 | 44 | 25 | 58.0 | 49 | 20 | 17 | 1 | 19 | 31 | 2 | 2 | 1 | 1.17 | 7.60 | 0.16 | 2.95 | 4.81 | 3.10 | 1.63 |
| 1990 | Houston Astros | NL | MLB | HOU | 45 | 35 | 6 | 6 | 2.39 | 49 | 0 | 0 | 0 | 49 | 42 | 23 | 60.1 | 45 | 18 | 16 | 4 | 20 | 50 | 5 | 5 | 0 | 1.08 | 6.71 | 0.60 | 2.98 | 7.46 | 2.69 | 2.50 |
| 1991 | Chicago Cubs | NL | MLB | CHN | 18 | 36 | 0 | 6 | 6.00 | 35 | 0 | 0 | 0 | 35 | 28 | 17 | 33.0 | 39 | 22 | 22 | 6 | 19 | 16 | 1 | 1 | 1 | 1.76 | 10.64 | 1.64 | 5.18 | 4.36 | 6.00 | 0.84 |
| 1992 | Chicago Cubs | NL | MLB | CHN | 42 | 37 | 0 | 0 | 2.51 | 11 | 0 | 0 | 0 | 11 | 4 | 0 | 14.1 | 15 | 4 | 4 | 0 | 4 | 3 | 0 | 1 | 0 | 1.33 | 9.42 | 0.00 | 2.51 | 1.88 | 2.51 | 0.75 |
| Tot: | MLB (13 yrs) | MLB | 53 | 53 | 2.67 | 609 | 1 | 0 | 0 | 432 | 608 | 216 | 809.1 | 700 | 280 | 240 | 34 | 283 | 548 | 28 | 22 | 13 | 1.21 | 7.78 | 0.38 | 3.15 | 6.09 | 3.11 | 1.94 | ||||
| Tot: | NL (13 yrs) | NL | 53 | 53 | 2.67 | 609 | 1 | 0 | 0 | 432 | 608 | 216 | 809.1 | 700 | 280 | 240 | 34 | 283 | 548 | 28 | 22 | 13 | 1.21 | 7.78 | 0.38 | 3.15 | 6.09 | 3.11 | 1.94 | ||||
| Tot: | Minors (2 yrs) | Minors | 14 | 13 | 3.45 | 48 | 33 | 12 | 5 | 0 | 15 | 1 | 253.0 | 256 | 120 | 97 | 13 | 75 | 171 | 11 | 2 | 3 | 1.31 | 9.11 | 0.46 | 2.67 | 6.08 | 4.27 | 2.28 | ||||
| Tot: | A+ (1 yrs) | A+ | 7 | 5 | 3.10 | 14 | 14 | 6 | 2 | 0 | 0 | 0 | 93.0 | 97 | 40 | 32 | 2 | 31 | 81 | 1 | 2 | 0 | 1.38 | 9.39 | 0.19 | 3.00 | 7.84 | 3.87 | 2.61 | ||||
| Tot: | AAA (1 yrs) | AAA | 7 | 8 | 3.66 | 34 | 19 | 6 | 3 | 0 | 15 | 1 | 160.0 | 159 | 80 | 65 | 11 | 44 | 90 | 10 | 0 | 3 | 1.27 | 8.94 | 0.62 | 2.48 | 5.06 | 4.50 | 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 | 25 | 1 | 0 | 3.86 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 2.1 | 4 | 0 | 1 | 0 | 2 | 4 | 0 | 0 | 0 | 2.57 | 15.43 | 0.00 | 7.71 | 15.43 | 0.00 | 2.00 |
| 1981 | Houston Astros | Division Series | Playoffs | 26 | 0 | 0 | 3.86 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 2.1 | 2 | 0 | 1 | 0 | 0 | 4 | 0 | 0 | 0 | 0.86 | 7.71 | 0.00 | 0.00 | 15.43 | 0.00 | 0.00 |
| 1986 | Houston Astros | Championship Series | Playoffs | 31 | 0 | 1 | 9.00 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 2.0 | 2 | 0 | 2 | 0 | 3 | 2 | 0 | 0 | 0 | 2.50 | 9.00 | 0.00 | 13.50 | 9.00 | 0.00 | 0.67 |
| 1990 | National League | Major League Baseball | AllStar | 35 | 0 | 0 | 0.00 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0.2 | 1 | 0 | 0 | 0 | 2 | 1 | 0 | 0 | 0 | 4.50 | 13.50 | 0.00 | 27.00 | 13.50 | 0.00 | 0.50 |
| Tot: | AllStar (1 Yrs) | AllStar | 0 | 0 | 0.00 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 0.2 | 1 | 0 | 0 | 0 | 2 | 1 | 0 | 0 | 0 | 4.50 | 13.50 | 0.00 | 27.00 | 13.50 | 0.00 | 0.50 | ||
| Tot: | Playoffs (3 Yrs) | Playoffs | 1 | 1 | 5.40 | 7 | 0 | 0 | 0 | 0 | 7 | 0 | 6.2 | 8 | 0 | 4 | 0 | 5 | 10 | 0 | 0 | 0 | 1.95 | 10.80 | 0.00 | 6.75 | 13.50 | 0.00 | 2.00 |
| 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 |
| 1980 | Houston Astros | NL | MLB | HOU | 45 | 25 | P | 57 | 12 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 2 | 0 | 0 | 0 | 0 | 14 | 0 | 0 | .000 | .000 | .000 | .000 | .000 | .000 | .000 | 0.00 | 28.57 | 0.00 | 0.00 | |
| 1981 | Houston Astros | NL | MLB | HOU | 45 | 26 | P | 42 | 8 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 0 | 0 | 0 | 0 | 2 | 8 | 0 | 2 | .250 | .250 | .250 | .500 | .000 | .000 | .500 | 0.00 | 50.00 | 0.00 | 0.00 | |
| 1982 | Houston Astros | NL | MLB | HOU | 45 | 27 | P | 49 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | .000 | .000 | .000 | .000 | .000 | .000 | .000 | 0.00 | 100.00 | 0.00 | 0.00 | |
| 1983 | Houston Astros | NL | MLB | HOU | 45 | 28 | P | 42 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 1 | 0 | 0 | 0 | 0 | 6 | 0 | 0 | .000 | .000 | .000 | .000 | .000 | .000 | .000 | 0.00 | 50.00 | 0.00 | 0.00 | |
| 1984 | Houston Astros | NL | MLB | HOU | 45 | 29 | P | 53 | 4 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 0 | 1 | 0 | 0 | 0 | 0 | 6 | 0 | 0 | .000 | .200 | .000 | .200 | .250 | .000 | .000 | 16.67 | 33.33 | 2.00 | 0.00 | |
| 1985 | Houston Astros | NL | MLB | HOU | 45 | 30 | P | 64 | 3 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1 | 2 | 0 | 1 | 0 | 0 | 0 | 0 | 5 | 0 | 0 | .000 | .250 | .000 | .250 | .333 | .000 | .000 | 20.00 | 40.00 | 2.00 | 0.00 | |
| 1986 | Houston Astros | NL | MLB | HOU | 45 | 31 | P | 54 | 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 | |
| 1987 | Houston Astros | NL | MLB | HOU | 45 | 32 | P | 50 | 2 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 3 | 0 | 1 | .500 | .667 | .500 | 1.167 | .500 | .000 | 1.000 | 33.33 | 33.33 | 1.00 | 0.00 | |
| 1988 | Houston Astros | NL | MLB | HOU | 45 | 33 | P | 51 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 2 | 0 | 0 | .000 | .000 | .000 | .000 | .000 | .000 | .000 | 0.00 | 50.00 | 0.00 | 0.00 | |
| 1989 | Houston Astros | NL | MLB | HOU | 45 | 34 | P | 52 | 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 | |
| 1990 | Houston Astros | NL | MLB | HOU | 45 | 35 | P | 49 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | .000 | .333 | .000 | .333 | .500 | .000 | .000 | 33.33 | 33.33 | 1.00 | 0.00 | |
| 1991 | Chicago Cubs | NL | MLB | CHN | 18 | 36 | P | 35 | 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 | |
| Tot: | MLB (12 yrs) | MLB | 598 | 44 | 2 | 3 | 0 | 0 | 0 | 1 | 0 | 0 | 4 | 21 | 0 | 5 | 0 | 0 | 1 | 3 | 53 | 0 | 3 | .068 | .146 | .068 | .214 | .091 | .000 | .130 | 7.55 | 39.62 | 5.25 | |||||||
| Tot: | NL (12 yrs) | NL | 598 | 44 | 2 | 3 | 0 | 0 | 0 | 1 | 0 | 0 | 4 | 21 | 0 | 5 | 0 | 0 | 1 | 3 | 53 | 0 | 3 | .068 | .146 | .068 | .214 | .091 | .000 | .130 | 7.55 | 39.62 | 5.25 | |||||||
| Tot: | Minors (1 yrs) | Minors | 14 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |||||||||||||||||
| Tot: | A+ (1 yrs) | A+ | 14 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |||||||||||||||||
| 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 |
| 1990 | National League | Major League Baseball | AllStar | 35 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .000 | .000 | .000 | .000 | .000 | .000 | .000 | 0.00 | 0.00 | 0.00 | 0.00 |
| Tot: | AllStar (1 Yrs) | AllStar | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 |
| Strikeouts | Walks | Hittable | SO/BB | vs Power | Durability | Team Success |
| 60 | 59 | 67 | 67 | 67 | 83 | .498 |