| 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 |
| 1982 | Wausau Timbers | Midw | A | SEA | - | 22 | 7 | 1 | 2.16 | 15 | 10 | 7 | 2 | 5 | 3 | 0 | 95.2 | 62 | 33 | 23 | 8 | 28 | 90 | 3 | 0 | 1 | 0.94 | 5.83 | 0.75 | 2.63 | 8.47 | 3.10 | 3.21 |
| 1983 | Bakersfield Mariners | Calif | A+ | SEA | - | 23 | 11 | 7 | 2.98 | 26 | 26 | 5 | 2 | 0 | 0 | 0 | 169.0 | 146 | 76 | 56 | 13 | 43 | 136 | 13 | 0 | 4 | 1.12 | 7.78 | 0.69 | 2.29 | 7.24 | 4.05 | 3.16 |
| 1984 | Chattanooga Lookouts | Sou | AA | SEA | 30 | 24 | 4 | 12 | 5.25 | 28 | 22 | 3 | 0 | 6 | 1 | 0 | 128.2 | 138 | 86 | 75 | 12 | 63 | 69 | 7 | 0 | 2 | 1.56 | 9.65 | 0.84 | 4.41 | 4.83 | 6.02 | 1.10 |
| 1985 | Salinas Spurs | Calif | A+ | SEA | - | 25 | 9 | 9 | 3.61 | 28 | 28 | 5 | 3 | 0 | 0 | 0 | 177.0 | 172 | 89 | 71 | 18 | 51 | 108 | 4 | 0 | 0 | 1.26 | 8.75 | 0.92 | 2.59 | 5.49 | 4.53 | 2.12 |
| Tot: | Minors (4 yrs) | Minors | 31 | 29 | 3.55 | 97 | 86 | 20 | 7 | 4 | 11 | 0 | 570.1 | 518 | 284 | 225 | 51 | 185 | 403 | 27 | 0 | 7 | 1.23 | 8.17 | 0.80 | 2.92 | 6.36 | 4.48 | 2.18 | ||||
| Tot: | A (1 yrs) | A | 7 | 1 | 2.16 | 15 | 10 | 7 | 2 | 3 | 5 | 0 | 95.2 | 62 | 33 | 23 | 8 | 28 | 90 | 3 | 0 | 1 | 0.94 | 5.83 | 0.75 | 2.63 | 8.47 | 3.10 | 3.21 | ||||
| Tot: | A+ (2 yrs) | A+ | 20 | 16 | 3.30 | 54 | 54 | 10 | 5 | 0 | 0 | 0 | 346.0 | 318 | 165 | 127 | 31 | 94 | 244 | 17 | 0 | 4 | 1.19 | 8.27 | 0.81 | 2.45 | 6.35 | 4.29 | 2.60 | ||||
| Tot: | AA (1 yrs) | AA | 4 | 12 | 5.25 | 28 | 22 | 3 | 0 | 1 | 6 | 0 | 128.2 | 138 | 86 | 75 | 12 | 63 | 69 | 7 | 0 | 2 | 1.56 | 9.65 | 0.84 | 4.41 | 4.83 | 6.02 | 1.10 | ||||
| Avg: | Minors - 162 Inning avg | College | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 162 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 |
| Strikeouts | Walks | Hittable | SO/BB | vs Power | Durability | Team Success |
| 53 | 79 | 64 | 73 | 64 | 78 | .485 |