| 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 |
| 1978 | Asheville Tourists | Wcar | A | TEX | - | 24 | 8 | 3 | 2.73 | 48 | 0 | 0 | 0 | 48 | 0 | 16 | 79.0 | 58 | 32 | 24 | 3 | 54 | 87 | 5 | 0 | 0 | 1.42 | 6.61 | 0.34 | 6.15 | 9.91 | 3.65 | 1.61 |
| 1979 | Tulsa Drillers | Tex | AA | TEX | - | 25 | 3 | 2 | 3.99 | 40 | 0 | 0 | 0 | 40 | 0 | 8 | 70.0 | 73 | 36 | 31 | 3 | 37 | 62 | 1 | 0 | 4 | 1.57 | 9.39 | 0.39 | 4.76 | 7.97 | 4.63 | 1.68 |
| 1980 | Charleston Charlies | IL | AAA | TEX | - | 26 | 3 | 3 | 5.40 | 39 | 2 | 0 | 0 | 37 | 0 | 4 | 70.0 | 63 | 46 | 42 | 8 | 37 | 46 | 5 | 1 | 3 | 1.43 | 8.10 | 1.03 | 4.76 | 5.91 | 5.91 | 1.24 |
| 1981 | Wichita Aeros | Amer | AAA | TEX | - | 27 | 10 | 8 | 5.26 | 46 | 6 | 1 | 0 | 40 | 0 | 4 | 101.0 | 99 | 67 | 59 | 9 | 55 | 60 | 4 | 0 | 0 | 1.52 | 8.82 | 0.80 | 4.90 | 5.35 | 5.97 | 1.09 |
| 1981 | Texas Rangers | AL | MLB | TEX | 53 | 27 | 0 | 1 | 4.70 | 7 | 0 | 0 | 0 | 7 | 2 | 2 | 7.2 | 7 | 4 | 4 | 1 | 7 | 8 | 0 | 0 | 0 | 1.83 | 8.22 | 1.17 | 8.22 | 9.39 | 4.70 | 1.14 |
| 1982 | Tulsa Drillers | Tex | AA | TEX | - | 28 | 1 | 2 | 8.05 | 5 | 5 | 0 | 0 | 0 | 0 | 0 | 19.0 | 28 | 19 | 17 | 2 | 9 | 18 | 0 | 0 | 1 | 1.95 | 13.26 | 0.95 | 4.26 | 8.53 | 9.00 | 2.00 |
| 1982 | Denver Bears | Amer | AAA | TEX | - | 28 | 1 | 0 | 8.80 | 13 | 0 | 0 | 0 | 13 | 2 | 0 | 15.1 | 21 | 15 | 15 | 2 | 8 | 8 | 1 | 0 | 0 | 1.89 | 12.33 | 1.17 | 4.70 | 4.70 | 8.80 | 1.00 |
| 1983 | Oklahoma City 89ers | Amer | AAA | TEX | - | 29 | 0 | 0 | 6.43 | 6 | 1 | 0 | 0 | 5 | 4 | 0 | 7.0 | 13 | 5 | 5 | 1 | 5 | 2 | 0 | 0 | 1 | 2.57 | 16.71 | 1.29 | 6.43 | 2.57 | 6.43 | 0.40 |
| Tot: | MLB (1 yrs) | MLB | 0 | 1 | 4.70 | 7 | 0 | 0 | 0 | 2 | 7 | 2 | 7.2 | 7 | 4 | 4 | 1 | 7 | 8 | 0 | 0 | 0 | 1.83 | 8.22 | 1.17 | 8.22 | 9.39 | 4.70 | 1.14 | ||||
| Tot: | AL (1 yrs) | AL | 0 | 1 | 4.70 | 7 | 0 | 0 | 0 | 2 | 7 | 2 | 7.2 | 7 | 4 | 4 | 1 | 7 | 8 | 0 | 0 | 0 | 1.83 | 8.22 | 1.17 | 8.22 | 9.39 | 4.70 | 1.14 | ||||
| Tot: | Minors (6 yrs) | Minors | 26 | 18 | 4.81 | 197 | 14 | 1 | 0 | 6 | 183 | 32 | 361.1 | 355 | 220 | 193 | 28 | 205 | 283 | 16 | 1 | 9 | 1.55 | 8.84 | 0.70 | 5.11 | 7.05 | 5.48 | 1.38 | ||||
| Tot: | A (1 yrs) | A | 8 | 3 | 2.73 | 48 | 0 | 0 | 0 | 0 | 48 | 16 | 79.0 | 58 | 32 | 24 | 3 | 54 | 87 | 5 | 0 | 0 | 1.42 | 6.61 | 0.34 | 6.15 | 9.91 | 3.65 | 1.61 | ||||
| Tot: | AA (2 yrs) | AA | 4 | 4 | 4.85 | 45 | 5 | 0 | 0 | 0 | 40 | 8 | 89.0 | 101 | 55 | 48 | 5 | 46 | 80 | 1 | 0 | 5 | 1.65 | 10.21 | 0.51 | 4.65 | 8.09 | 5.56 | 1.74 | ||||
| Tot: | AAA (4 yrs) | AAA | 14 | 11 | 5.63 | 104 | 9 | 1 | 0 | 6 | 95 | 8 | 193.1 | 196 | 133 | 121 | 20 | 105 | 116 | 10 | 1 | 4 | 1.56 | 9.12 | 0.93 | 4.89 | 5.40 | 6.19 | 1.10 | ||||
| Avg: | MLB - 162 Inning avg | MLB | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 162 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | ||||
| Avg: | Minors - 162 Inning avg | College | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 162 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 |
| Strikeouts | Walks | Hittable | SO/BB | vs Power | Durability | Team Success |
| 68 | 35 | 53 | 54 | 53 | 63 | .498 |