| 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 | Gulf Coast Astros | GCL | Rk | HOU | - | 22 | 0 | 0 | 0.00 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 5.0 | 1 | 0 | 0 | 0 | 1 | 7 | 0 | 0 | 0 | 0.40 | 1.80 | 0.00 | 1.80 | 12.60 | 0.00 | 7.00 |
| 1979 | Daytona Astros | FSL | A+ | HOU | - | 22 | 1 | 1 | 0.82 | 16 | 0 | 0 | 0 | 16 | 0 | 4 | 22.0 | 12 | 2 | 2 | 0 | 9 | 26 | 0 | 0 | 2 | 0.95 | 4.91 | 0.00 | 3.68 | 10.64 | 0.82 | 2.89 |
| 1979 | Columbus Astros | Sou | AA | HOU | - | 22 | 1 | 0 | 2.25 | 2 | 1 | 1 | 0 | 1 | 0 | 0 | 8.0 | 6 | 2 | 2 | 1 | 4 | 7 | 1 | 0 | 1 | 1.25 | 6.75 | 1.13 | 4.50 | 7.88 | 2.25 | 1.75 |
| 1980 | Daytona Astros | FSL | A+ | HOU | - | 23 | 4 | 1 | 0.87 | 21 | 0 | 0 | 0 | 21 | 0 | 6 | 31.0 | 19 | 3 | 3 | 0 | 13 | 36 | 3 | 0 | 0 | 1.03 | 5.52 | 0.00 | 3.77 | 10.45 | 0.87 | 2.77 |
| 1980 | Columbus Astros | Sou | AA | HOU | - | 23 | 6 | 4 | 2.80 | 32 | 0 | 0 | 0 | 32 | 0 | 7 | 61.0 | 50 | 22 | 19 | 5 | 25 | 56 | 2 | 0 | 5 | 1.23 | 7.38 | 0.74 | 3.69 | 8.26 | 3.25 | 2.24 |
| 1981 | Columbus Astros | Sou | AA | HOU | - | 24 | 8 | 3 | 2.27 | 47 | 0 | 0 | 0 | 47 | 37 | 13 | 99.0 | 86 | 30 | 25 | 13 | 35 | 85 | 5 | 0 | 4 | 1.22 | 7.82 | 1.18 | 3.18 | 7.73 | 2.73 | 2.43 |
| 1982 | Birmingham Barons | Sou | AA | DET | - | 25 | 0 | 1 | 3.72 | 4 | 0 | 0 | 0 | 4 | 2 | 0 | 9.2 | 10 | 6 | 4 | 0 | 7 | 9 | 0 | 0 | 1 | 1.76 | 9.31 | 0.00 | 6.52 | 8.38 | 5.59 | 1.29 |
| Tot: | Minors (4 yrs) | Minors | 20 | 10 | 2.10 | 123 | 2 | 1 | 0 | 39 | 121 | 30 | 235.2 | 184 | 65 | 55 | 19 | 94 | 226 | 11 | 0 | 13 | 1.18 | 7.03 | 0.73 | 3.59 | 8.63 | 2.48 | 2.40 | ||||
| Tot: | Rk (1 yrs) | Rk | 0 | 0 | 0.00 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 5.0 | 1 | 0 | 0 | 0 | 1 | 7 | 0 | 0 | 0 | 0.40 | 1.80 | 0.00 | 1.80 | 12.60 | 0.00 | 7.00 | ||||
| Tot: | A+ (2 yrs) | A+ | 5 | 2 | 0.85 | 37 | 0 | 0 | 0 | 0 | 37 | 10 | 53.0 | 31 | 5 | 5 | 0 | 22 | 62 | 3 | 0 | 2 | 1.00 | 5.26 | 0.00 | 3.74 | 10.53 | 0.85 | 2.82 | ||||
| Tot: | AA (4 yrs) | AA | 15 | 8 | 2.53 | 85 | 1 | 1 | 0 | 39 | 84 | 20 | 177.2 | 152 | 60 | 50 | 19 | 71 | 157 | 8 | 0 | 11 | 1.26 | 7.70 | 0.96 | 3.60 | 7.95 | 3.04 | 2.21 | ||||
| Avg: | Minors - 162 Inning avg | College | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 162 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 |
| Strikeouts | Walks | Hittable | SO/BB | vs Power | Durability | Team Success |
| 91 | 70 | 90 | 92 | 90 | 61 | .521 |