| 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 |
| 1985 | Texas | SWC | NCAA-1 | fr | 10 | 19 | 5 | 1 | 3.70 | 17 | 2 | 1 | 0 | 15 | 0 | 0 | 48.2 | 38 | 22 | 20 | 3 | 50 | 65 | 6 | 2 | 0 | 1.81 | 7.03 | 0.55 | 9.25 | 12.02 | 4.07 | 1.30 |
| 1986 | Texas | SWC | NCAA-1 | So | 20 | 8 | 2 | 3.16 | 18 | 15 | 5 | 1 | 3 | 0 | 0 | 102.2 | 87 | 45 | 36 | 0 | 59 | 113 | 0 | 0 | 0 | 1.42 | 7.63 | 0.00 | 5.17 | 9.91 | 3.94 | 1.92 | |
| 1987 | Texas | SWC | NCAA-1 | Jr | 21 | 14 | 2 | 2.80 | 21 | 19 | 12 | 3 | 2 | 0 | 1 | 151.1 | 108 | 54 | 47 | 0 | 78 | 147 | 0 | 0 | 0 | 1.23 | 6.42 | 0.00 | 4.64 | 8.74 | 3.21 | 1.88 | |
| 1988 | Helena Brewers | Pio | Rk | MIL | - | 22 | 3 | 4 | 3.88 | 11 | 11 | 2 | 1 | 0 | 0 | 0 | 67.1 | 72 | 35 | 29 | 6 | 43 | 72 | 3 | 0 | 0 | 1.71 | 9.62 | 0.80 | 5.75 | 9.62 | 4.68 | 1.67 |
| 1988 | Beloit Brewers | Midw | A | MIL | - | 22 | 2 | 5 | 4.50 | 16 | 15 | 0 | 0 | 1 | 0 | 0 | 78.0 | 74 | 52 | 39 | 5 | 41 | 95 | 11 | 0 | 5 | 1.47 | 8.54 | 0.58 | 4.73 | 10.96 | 6.00 | 2.32 |
| 1989 | Beloit Brewers | Midw | A | MIL | - | 23 | 8 | 9 | 4.06 | 23 | 22 | 3 | 2 | 1 | 1 | 0 | 130.2 | 101 | 63 | 59 | 13 | 75 | 133 | 8 | 0 | 7 | 1.35 | 6.96 | 0.90 | 5.17 | 9.16 | 4.34 | 1.77 |
| 1990 | Stockton Ports | Calif | A+ | MIL | - | 24 | 0 | 1 | 22.50 | 2 | 0 | 0 | 0 | 2 | 0 | 0 | 2.0 | 5 | 5 | 5 | 1 | 1 | 1 | 0 | 0 | 2 | 3.00 | 22.50 | 4.50 | 4.50 | 4.50 | 22.50 | 1.00 |
| 1991 | Erie Sailors | NYPL | A- | - | 25 | 3 | 6 | 5.50 | 15 | 12 | 2 | 0 | 3 | 3 | 0 | 73.2 | 66 | 48 | 45 | 12 | 47 | 73 | 6 | 0 | 0 | 1.53 | 8.06 | 1.47 | 5.74 | 8.92 | 5.86 | 1.55 | |
| Tot: | Minors (4 yrs) | Minors | 16 | 25 | 4.53 | 67 | 60 | 7 | 3 | 4 | 7 | 0 | 351.2 | 318 | 203 | 177 | 37 | 207 | 374 | 28 | 0 | 14 | 1.49 | 8.14 | 0.95 | 5.30 | 9.57 | 5.20 | 1.81 | ||||
| Tot: | Rk (1 yrs) | Rk | 3 | 4 | 3.88 | 11 | 11 | 2 | 1 | 0 | 0 | 0 | 67.1 | 72 | 35 | 29 | 6 | 43 | 72 | 3 | 0 | 0 | 1.71 | 9.62 | 0.80 | 5.75 | 9.62 | 4.68 | 1.67 | ||||
| Tot: | A- (1 yrs) | A- | 3 | 6 | 5.50 | 15 | 12 | 2 | 0 | 3 | 3 | 0 | 73.2 | 66 | 48 | 45 | 12 | 47 | 73 | 6 | 0 | 0 | 1.53 | 8.06 | 1.47 | 5.74 | 8.92 | 5.86 | 1.55 | ||||
| Tot: | A (2 yrs) | A | 10 | 14 | 4.23 | 39 | 37 | 3 | 2 | 1 | 2 | 0 | 208.2 | 175 | 115 | 98 | 18 | 116 | 228 | 19 | 0 | 12 | 1.39 | 7.55 | 0.78 | 5.00 | 9.83 | 4.96 | 1.97 | ||||
| Tot: | A+ (1 yrs) | A+ | 0 | 1 | 22.50 | 2 | 0 | 0 | 0 | 0 | 2 | 0 | 2.0 | 5 | 5 | 5 | 1 | 1 | 1 | 0 | 0 | 2 | 3.00 | 22.50 | 4.50 | 4.50 | 4.50 | 22.50 | 1.00 | ||||
| Tot: | College (3 yrs) | College | 27 | 5 | 3.06 | 56 | 36 | 18 | 4 | 0 | 20 | 1 | 302.2 | 233 | 121 | 103 | 3 | 187 | 325 | 6 | 2 | 0 | 1.39 | 6.93 | 0.09 | 5.56 | 9.66 | 3.60 | 1.74 | ||||
| Avg: | Minors - 162 Inning avg | College | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 162 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | ||||
| Avg: | College - 162 Inning avg | College | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 162 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 |
| Strikeouts | Walks | Hittable | SO/BB | vs Power | Durability | Team Success |
| 88 | 22 | 71 | 55 | 71 | 66 | .596 |