| 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 |
| 1978 | Gulf Coast Astros | GCL | Rk | HOU | - | 19 | 1 | 1 | 3.15 | 5 | 4 | 0 | 0 | 1 | 0 | 0 | 20.0 | 21 | 10 | 7 | 0 | 8 | 11 | 0 | 0 | 1 | 1.45 | 9.45 | 0.00 | 3.60 | 4.95 | 4.50 | 1.38 |
| 1979 | Gulf Coast Astros | GCL | Rk | HOU | - | 20 | 2 | 5 | 3.81 | 9 | 9 | 1 | 0 | 0 | 0 | 0 | 52.0 | 57 | 36 | 22 | 3 | 20 | 22 | 5 | 0 | 1 | 1.48 | 9.87 | 0.52 | 3.46 | 3.81 | 6.23 | 1.10 |
| 1980 | Gulf Coast Astros Orange | GCL | Rk | HOU | - | 21 | 7 | 4 | 2.64 | 12 | 12 | 0 | 0 | 0 | 0 | 0 | 75.0 | 65 | 24 | 22 | 0 | 26 | 38 | 4 | 0 | 2 | 1.21 | 7.80 | 0.00 | 3.12 | 4.56 | 2.88 | 1.46 |
| 1981 | Daytona Astros | FSL | A+ | HOU | - | 22 | 7 | 2 | 3.13 | 41 | 6 | 1 | 1 | 35 | 17 | 4 | 95.0 | 90 | 42 | 33 | 5 | 40 | 67 | 5 | 0 | 2 | 1.37 | 8.53 | 0.47 | 3.79 | 6.35 | 3.98 | 1.68 |
| 1982 | Asheville Tourists | SAL | A | HOU | - | 23 | 1 | 3 | 4.96 | 10 | 0 | 0 | 0 | 10 | 7 | 0 | 16.1 | 16 | 9 | 9 | 0 | 15 | 10 | 0 | 0 | 0 | 1.90 | 8.82 | 0.00 | 8.27 | 5.51 | 4.96 | 0.67 |
| 1982 | Daytona Astros | FSL | A+ | HOU | - | 23 | 2 | 3 | 5.06 | 27 | 0 | 0 | 0 | 27 | 17 | 1 | 37.1 | 37 | 27 | 21 | 3 | 22 | 27 | 5 | 0 | 2 | 1.58 | 8.92 | 0.72 | 5.30 | 6.51 | 6.51 | 1.23 |
| Tot: | Minors (5 yrs) | Minors | 20 | 18 | 3.47 | 104 | 31 | 2 | 1 | 41 | 73 | 5 | 295.2 | 286 | 148 | 114 | 11 | 131 | 175 | 19 | 0 | 8 | 1.41 | 8.71 | 0.33 | 3.99 | 5.33 | 4.51 | 1.34 | ||||
| Tot: | Rk (3 yrs) | Rk | 10 | 10 | 3.12 | 26 | 25 | 1 | 0 | 0 | 1 | 0 | 147.0 | 143 | 70 | 51 | 3 | 54 | 71 | 9 | 0 | 4 | 1.34 | 8.76 | 0.18 | 3.31 | 4.35 | 4.29 | 1.31 | ||||
| Tot: | A (1 yrs) | A | 1 | 3 | 4.96 | 10 | 0 | 0 | 0 | 7 | 10 | 0 | 16.1 | 16 | 9 | 9 | 0 | 15 | 10 | 0 | 0 | 0 | 1.90 | 8.82 | 0.00 | 8.27 | 5.51 | 4.96 | 0.67 | ||||
| Tot: | A+ (2 yrs) | A+ | 9 | 5 | 3.67 | 68 | 6 | 1 | 1 | 34 | 62 | 5 | 132.1 | 127 | 69 | 54 | 8 | 62 | 94 | 10 | 0 | 4 | 1.43 | 8.64 | 0.54 | 4.22 | 6.39 | 4.69 | 1.52 | ||||
| Avg: | Minors - 162 Inning avg | College | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 162 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 |
| Strikeouts | Walks | Hittable | SO/BB | vs Power | Durability | Team Success |
| 35 | 60 | 53 | 47 | 53 | 78 | .500 |