| 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 |
| 1983 | Burlington Rangers | Midw | A | TEX | - | 23 | 4 | 2 | 4.10 | 9 | 9 | 0 | 0 | 0 | 0 | 0 | 52.2 | 50 | 28 | 24 | 4 | 24 | 59 | 1 | 0 | 2 | 1.41 | 8.54 | 0.68 | 4.10 | 10.08 | 4.78 | 2.46 |
| 1983 | Tulsa Drillers | Tex | AA | TEX | - | 23 | 4 | 6 | 3.13 | 11 | 11 | 3 | 0 | 0 | 0 | 0 | 72.0 | 60 | 33 | 25 | 3 | 26 | 70 | 2 | 0 | 2 | 1.19 | 7.50 | 0.38 | 3.25 | 8.75 | 4.13 | 2.69 |
| 1985 | Oklahoma City 89ers | Amer | AAA | TEX | - | 25 | 9 | 5 | 3.21 | 18 | 18 | 2 | 0 | 0 | 0 | 0 | 120.2 | 92 | 50 | 43 | 8 | 32 | 80 | 4 | 0 | 0 | 1.03 | 6.86 | 0.60 | 2.39 | 5.97 | 3.73 | 2.50 |
| 1985 | Texas Rangers | AL | MLB | TEX | 33 | 25 | 2 | 3 | 9.45 | 9 | 7 | 0 | 0 | 2 | 1 | 0 | 40.0 | 53 | 42 | 42 | 12 | 18 | 19 | 1 | 0 | 3 | 1.78 | 11.93 | 2.70 | 4.05 | 4.28 | 9.45 | 1.06 |
| 1987 | Oklahoma City 89ers | Amer | AAA | TEX | - | 27 | 2 | 2 | 4.53 | 31 | 0 | 0 | 0 | 31 | 8 | 4 | 57.2 | 54 | 33 | 29 | 7 | 23 | 36 | 3 | 0 | 1 | 1.34 | 8.43 | 1.09 | 3.59 | 5.62 | 5.15 | 1.57 |
| Tot: | MLB (1 yrs) | MLB | 2 | 3 | 9.45 | 9 | 7 | 0 | 0 | 1 | 2 | 0 | 40.0 | 53 | 42 | 42 | 12 | 18 | 19 | 1 | 0 | 3 | 1.78 | 11.92 | 2.70 | 4.05 | 4.28 | 9.45 | 1.06 | ||||
| Tot: | AL (1 yrs) | AL | 2 | 3 | 9.45 | 9 | 7 | 0 | 0 | 1 | 2 | 0 | 40.0 | 53 | 42 | 42 | 12 | 18 | 19 | 1 | 0 | 3 | 1.78 | 11.92 | 2.70 | 4.05 | 4.28 | 9.45 | 1.06 | ||||
| Tot: | Minors (3 yrs) | Minors | 19 | 15 | 3.59 | 69 | 38 | 5 | 0 | 8 | 31 | 4 | 303.0 | 256 | 144 | 121 | 22 | 105 | 245 | 10 | 0 | 5 | 1.19 | 7.60 | 0.65 | 3.12 | 7.28 | 4.28 | 2.33 | ||||
| Tot: | A (1 yrs) | A | 4 | 2 | 4.10 | 9 | 9 | 0 | 0 | 0 | 0 | 0 | 52.2 | 50 | 28 | 24 | 4 | 24 | 59 | 1 | 0 | 2 | 1.41 | 8.54 | 0.68 | 4.10 | 10.08 | 4.78 | 2.46 | ||||
| Tot: | AA (1 yrs) | AA | 4 | 6 | 3.12 | 11 | 11 | 3 | 0 | 0 | 0 | 0 | 72.0 | 60 | 33 | 25 | 3 | 26 | 70 | 2 | 0 | 2 | 1.19 | 7.50 | 0.38 | 3.25 | 8.75 | 4.12 | 2.69 | ||||
| Tot: | AAA (2 yrs) | AAA | 11 | 7 | 3.63 | 49 | 18 | 2 | 0 | 8 | 31 | 4 | 178.1 | 146 | 83 | 72 | 15 | 55 | 116 | 7 | 0 | 1 | 1.13 | 7.37 | 0.76 | 2.78 | 5.85 | 4.19 | 2.11 | ||||
| Avg: | MLB - 162 Inning avg | MLB | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 162 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | ||||
| Avg: | Minors - 162 Inning avg | College | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 162 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 |
| Strikeouts | Walks | Hittable | SO/BB | vs Power | Durability | Team Success |
| 49 | 62 | 59 | 61 | 59 | 53 | .475 |