| 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 | Oklahoma | Big8 | NCAA-1 | 19 | 4 | 1 | 3.82 | 13 | 0 | 0 | 0 | 0 | 0 | 1 | 63.2 | 52 | 31 | 27 | 0 | 31 | 54 | 1 | 0 | 1 | 1.30 | 7.35 | 0.00 | 4.38 | 7.63 | 4.38 | 1.74 | ||
| 1978 | Oklahoma | Big8 | NCAA-1 | 20 | 8 | 2 | 2.32 | 11 | 10 | 7 | 2 | 1 | 0 | 0 | 77.2 | 53 | 27 | 20 | 0 | 27 | 58 | 0 | 0 | 0 | 1.03 | 6.14 | 0.00 | 3.13 | 6.72 | 3.13 | 2.15 | ||
| 1979 | Oklahoma | Big8 | NCAA-1 | 21 | 8 | 7 | 5.97 | 19 | 17 | 6 | 1 | 2 | 0 | 0 | 72.1 | 93 | 63 | 48 | 0 | 43 | 54 | 0 | 0 | 0 | 1.88 | 11.57 | 0.00 | 5.35 | 6.72 | 7.84 | 1.26 | ||
| 1980 | Oklahoma | Big8 | NCAA-1 | 22 | 5 | 7 | 3.96 | 14 | 11 | 6 | 0 | 3 | 0 | 0 | 86.1 | 90 | 58 | 38 | 0 | 33 | 40 | 0 | 0 | 0 | 1.42 | 9.38 | 0.00 | 3.44 | 4.17 | 6.05 | 1.21 | ||
| 1980 | Gulf Coast Astros Orange | GCL | Rk | HOU | - | 22 | 7 | 4 | 2.60 | 14 | 14 | 2 | 0 | 0 | 0 | 0 | 83.0 | 82 | 32 | 24 | 1 | 15 | 49 | 3 | 0 | 0 | 1.17 | 8.89 | 0.11 | 1.63 | 5.31 | 3.47 | 3.27 |
| 1981 | Daytona Astros | FSL | A+ | HOU | - | 23 | 6 | 10 | 3.33 | 23 | 22 | 3 | 2 | 1 | 1 | 0 | 138.0 | 146 | 64 | 51 | 5 | 39 | 109 | 3 | 0 | 6 | 1.34 | 9.52 | 0.33 | 2.54 | 7.11 | 4.17 | 2.79 |
| 1982 | Daytona Astros | FSL | A+ | HOU | - | 24 | 6 | 4 | 1.95 | 14 | 13 | 6 | 2 | 1 | 0 | 0 | 101.2 | 86 | 31 | 22 | 2 | 28 | 54 | 2 | 0 | 5 | 1.12 | 7.61 | 0.18 | 2.48 | 4.78 | 2.74 | 1.93 |
| 1982 | Columbus Astros | Sou | AA | HOU | - | 24 | 1 | 2 | 6.25 | 11 | 6 | 1 | 0 | 5 | 2 | 0 | 44.2 | 72 | 35 | 31 | 10 | 12 | 27 | 3 | 0 | 0 | 1.88 | 14.51 | 2.01 | 2.42 | 5.44 | 7.05 | 2.25 |
| 1983 | Miami Marlins | FSL | A+ | SDN | - | 25 | 5 | 11 | 3.62 | 22 | 21 | 9 | 1 | 1 | 0 | 0 | 159.1 | 179 | 83 | 64 | 5 | 42 | 69 | 7 | 0 | 2 | 1.39 | 10.11 | 0.28 | 2.37 | 3.90 | 4.69 | 1.64 |
| Tot: | Minors (4 yrs) | Minors | 25 | 31 | 3.28 | 84 | 76 | 21 | 5 | 3 | 8 | 0 | 526.2 | 565 | 245 | 192 | 23 | 136 | 308 | 18 | 0 | 13 | 1.33 | 9.66 | 0.39 | 2.32 | 5.26 | 4.19 | 2.26 | ||||
| Tot: | Rk (1 yrs) | Rk | 7 | 4 | 2.60 | 14 | 14 | 2 | 0 | 0 | 0 | 0 | 83.0 | 82 | 32 | 24 | 1 | 15 | 49 | 3 | 0 | 0 | 1.17 | 8.89 | 0.11 | 1.63 | 5.31 | 3.47 | 3.27 | ||||
| Tot: | A+ (3 yrs) | A+ | 17 | 25 | 3.09 | 59 | 56 | 18 | 5 | 1 | 3 | 0 | 399.0 | 411 | 178 | 137 | 12 | 109 | 232 | 12 | 0 | 13 | 1.30 | 9.27 | 0.27 | 2.46 | 5.23 | 4.02 | 2.13 | ||||
| Tot: | AA (1 yrs) | AA | 1 | 2 | 6.25 | 11 | 6 | 1 | 0 | 2 | 5 | 0 | 44.2 | 72 | 35 | 31 | 10 | 12 | 27 | 3 | 0 | 0 | 1.88 | 14.51 | 2.01 | 2.42 | 5.44 | 7.05 | 2.25 | ||||
| Tot: | College (4 yrs) | College | 25 | 17 | 3.99 | 57 | 38 | 19 | 3 | 0 | 19 | 1 | 300.0 | 288 | 179 | 133 | 0 | 134 | 206 | 1 | 0 | 1 | 1.41 | 8.64 | 0.00 | 4.02 | 6.18 | 5.37 | 1.54 | ||||
| Avg: | Minors - 162 Inning avg | College | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 162 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | ||||
| Avg: | College - 162 Inning avg | College | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 162 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 |
| Strikeouts | Walks | Hittable | SO/BB | vs Power | Durability | Team Success |
| 43 | 72 | 41 | 66 | 41 | 92 | .523 |