| 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 |
| 1979 | Arizona | Pac10 | NCAA-1 | Jr | 21 | 4 | 5 | 5.52 | 13 | 11 | 2 | 0 | 2 | 0 | 0 | 62.0 | 82 | 52 | 38 | 0 | 31 | 29 | 0 | 0 | 0 | 1.82 | 11.90 | 0.00 | 4.50 | 4.21 | 7.55 | 0.94 | |
| 1980 | Arizona | Pac10 | NCAA-1 | Sr | 22 | 6 | 3 | 4.56 | 17 | 14 | 3 | 0 | 3 | 0 | 0 | 100.2 | 99 | 62 | 51 | 0 | 52 | 50 | 0 | 0 | 0 | 1.50 | 8.85 | 0.00 | 4.65 | 4.47 | 5.54 | 0.96 | |
| 1980 | Gulf Coast Astros Blue | GCL | Rk | HOU | - | 22 | 6 | 2 | 1.29 | 9 | 9 | 2 | 0 | 0 | 0 | 0 | 56.0 | 41 | 17 | 8 | 0 | 7 | 31 | 1 | 0 | 3 | 0.86 | 6.59 | 0.00 | 1.13 | 4.98 | 2.73 | 4.43 |
| 1980 | Daytona Astros | FSL | A+ | HOU | - | 22 | 2 | 0 | 1.13 | 3 | 3 | 1 | 0 | 0 | 0 | 0 | 24.0 | 13 | 5 | 3 | 0 | 10 | 11 | 1 | 0 | 0 | 0.96 | 4.88 | 0.00 | 3.75 | 4.13 | 1.88 | 1.10 |
| 1981 | Daytona Astros | FSL | A+ | HOU | - | 23 | 0 | 0 | 4.74 | 9 | 2 | 0 | 0 | 7 | 5 | 0 | 19.0 | 20 | 11 | 10 | 2 | 10 | 21 | 2 | 0 | 0 | 1.58 | 9.47 | 0.95 | 4.74 | 9.95 | 5.21 | 2.10 |
| 1982 | Columbus Astros | Sou | AA | HOU | - | 24 | 6 | 3 | 3.06 | 14 | 12 | 3 | 0 | 2 | 1 | 0 | 82.1 | 81 | 39 | 28 | 5 | 26 | 53 | 2 | 0 | 2 | 1.30 | 8.85 | 0.55 | 2.84 | 5.79 | 4.26 | 2.04 |
| 1982 | Tucson Toros | PCL | AAA | HOU | - | 24 | 2 | 2 | 4.76 | 9 | 8 | 0 | 0 | 1 | 0 | 0 | 51.0 | 56 | 31 | 27 | 3 | 22 | 25 | 1 | 0 | 2 | 1.53 | 9.88 | 0.53 | 3.88 | 4.41 | 5.47 | 1.14 |
| 1983 | Tucson Toros | PCL | AAA | HOU | - | 25 | 0 | 1 | 10.38 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 4.1 | 9 | 5 | 5 | 0 | 2 | 2 | 0 | 0 | 0 | 2.54 | 18.69 | 0.00 | 4.15 | 4.15 | 10.38 | 1.00 |
| Tot: | Minors (4 yrs) | Minors | 16 | 8 | 3.08 | 45 | 35 | 6 | 0 | 6 | 10 | 0 | 236.2 | 220 | 108 | 81 | 10 | 77 | 143 | 7 | 0 | 7 | 1.25 | 8.37 | 0.38 | 2.93 | 5.44 | 4.11 | 1.86 | ||||
| Tot: | Rk (1 yrs) | Rk | 6 | 2 | 1.29 | 9 | 9 | 2 | 0 | 0 | 0 | 0 | 56.0 | 41 | 17 | 8 | 0 | 7 | 31 | 1 | 0 | 3 | 0.86 | 6.59 | 0.00 | 1.12 | 4.98 | 2.73 | 4.43 | ||||
| Tot: | A+ (2 yrs) | A+ | 2 | 0 | 2.72 | 12 | 5 | 1 | 0 | 5 | 7 | 0 | 43.0 | 33 | 16 | 13 | 2 | 20 | 32 | 3 | 0 | 0 | 1.23 | 6.91 | 0.42 | 4.19 | 6.70 | 3.35 | 1.60 | ||||
| Tot: | AA (1 yrs) | AA | 6 | 3 | 3.06 | 14 | 12 | 3 | 0 | 1 | 2 | 0 | 82.1 | 81 | 39 | 28 | 5 | 26 | 53 | 2 | 0 | 2 | 1.30 | 8.85 | 0.55 | 2.84 | 5.79 | 4.26 | 2.04 | ||||
| Tot: | AAA (2 yrs) | AAA | 2 | 3 | 5.20 | 10 | 9 | 0 | 0 | 0 | 1 | 0 | 55.1 | 65 | 36 | 32 | 3 | 24 | 27 | 1 | 0 | 2 | 1.61 | 10.57 | 0.49 | 3.90 | 4.39 | 5.86 | 1.13 | ||||
| Tot: | College (2 yrs) | College | 10 | 8 | 4.92 | 30 | 25 | 5 | 0 | 0 | 5 | 0 | 162.2 | 181 | 114 | 89 | 0 | 83 | 79 | 0 | 0 | 0 | 1.62 | 10.01 | 0.00 | 4.59 | 4.37 | 6.31 | 0.95 | ||||
| Avg: | Minors - 162 Inning avg | College | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 162 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | ||||
| Avg: | College - 162 Inning avg | College | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 162 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 |
| Strikeouts | Walks | Hittable | SO/BB | vs Power | Durability | Team Success |
| 38 | 55 | 43 | 53 | 43 | 61 | .560 |