| Year | Team | Lg | Level | Unif | Org | Age | Rk | G | GS | IP | ERA | WHIP | H9 | HR9 | BB9 | SO9 | BB/SO | GB/FB | QS | HB | AB | Bavg | TBF | Pit/B | Bal | Str | Sw | Record | TR | Manager(s) |
| 1988 | Spokane | Nwst | A- | 32 | sd | 22 | 61 | 23 | 0 | 51.0 | 3.88 | 1.25 | 9.18 | 0.35 | 2.12 | 4.41 | 0.48 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | 42-34 | 2 | Steve Lubratich |
| 1989 | Waterloo | Midw | A | - | - | 23 | 44 | 47 | 1 | 100.1 | 2.78 | 1.24 | 8.70 | 0.81 | 2.42 | 6.10 | 0.40 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | 47-89 | 7 | Jaime Moreno |
| 1990 | Waterloo | Midw | A | - | sd | 24 | 36 | 44 | 8 | 125.1 | 3.45 | 1.04 | 8.19 | 0.86 | 1.15 | 6.39 | 0.18 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | 60-76 | 7 | Bryan Little |
| Minor League Totals (3 years) | 114 | 9 | 276 | 0 | 1.15 | 8.58 | 0.75 | 1.79 | 5.93 | 0.30 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | .428 | -- | ||||||||
| A Totals (2 years) | 91 | 9 | 225 | 0 | 1.13 | 8.44 | 0.84 | 1.72 | 6.28 | 0.27 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | .393 | -- | ||||||||
| A- Totals (1 year) | 23 | 0 | 51 | 0 | 1.25 | 9.18 | 0.35 | 2.12 | 4.41 | 0.48 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | .553 | -- | ||||||||