| 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 | Penn State | IndyNCAA | NCAA-1 | Sr | 22 | 4 | 1 | 3.62 | 10 | 9 | 1 | 0 | 1 | 0 | 0 | 49.2 | 45 | 31 | 20 | 0 | 34 | 57 | 0 | 0 | 0 | 1.59 | 8.15 | 0.00 | 6.16 | 10.33 | 5.62 | 1.68 | |
| 1978 | Gulf Coast Rangers | GCL | Rk | TEX | - | 22 | 3 | 4 | 2.85 | 14 | 9 | 2 | 1 | 5 | 0 | 3 | 60.0 | 51 | 32 | 19 | 3 | 31 | 64 | 6 | 0 | 1 | 1.37 | 7.65 | 0.45 | 4.65 | 9.60 | 4.80 | 2.06 |
| 1979 | Asheville Tourists | Wcar | A | TEX | - | 23 | 14 | 7 | 3.29 | 24 | 21 | 10 | 0 | 3 | 0 | 0 | 167.0 | 171 | 82 | 61 | 10 | 30 | 94 | 4 | 0 | 6 | 1.20 | 9.22 | 0.54 | 1.62 | 5.07 | 4.42 | 3.13 |
| 1980 | Tulsa Drillers | Tex | AA | TEX | - | 24 | 4 | 3 | 2.05 | 10 | 10 | 3 | 2 | 0 | 0 | 0 | 66.0 | 56 | 30 | 15 | 4 | 22 | 29 | 3 | 0 | 0 | 1.18 | 7.64 | 0.55 | 3.00 | 3.95 | 4.09 | 1.32 |
| 1980 | Charleston Charlies | IL | AAA | TEX | - | 24 | 4 | 3 | 4.82 | 12 | 9 | 1 | 1 | 3 | 0 | 1 | 56.0 | 70 | 30 | 30 | 1 | 19 | 24 | 1 | 0 | 1 | 1.59 | 11.25 | 0.16 | 3.05 | 3.86 | 4.82 | 1.26 |
| 1981 | Wichita Aeros | Amer | AAA | TEX | - | 25 | 10 | 9 | 5.17 | 24 | 23 | 4 | 0 | 1 | 0 | 0 | 141.0 | 171 | 89 | 81 | 13 | 44 | 76 | 4 | 0 | 0 | 1.52 | 10.91 | 0.83 | 2.81 | 4.85 | 5.68 | 1.73 |
| 1982 | Denver Bears | Amer | AAA | TEX | - | 26 | 13 | 8 | 4.27 | 26 | 26 | 7 | 1 | 0 | 0 | 0 | 173.0 | 200 | 95 | 82 | 14 | 49 | 90 | 10 | 0 | 1 | 1.44 | 10.40 | 0.73 | 2.55 | 4.68 | 4.94 | 1.84 |
| 1982 | Texas Rangers | AL | MLB | TEX | 33 | 26 | 0 | 0 | 2.50 | 5 | 0 | 0 | 0 | 5 | 1 | 0 | 18.0 | 20 | 8 | 5 | 0 | 7 | 6 | 1 | 0 | 0 | 1.50 | 10.00 | 0.00 | 3.50 | 3.00 | 4.00 | 0.86 |
| 1983 | Oklahoma City 89ers | Amer | AAA | TEX | - | 27 | 4 | 8 | 5.81 | 20 | 16 | 3 | 1 | 4 | 0 | 0 | 93.0 | 123 | 67 | 60 | 7 | 29 | 38 | 2 | 0 | 3 | 1.63 | 11.90 | 0.68 | 2.81 | 3.68 | 6.48 | 1.31 |
| 1984 | Phoenix Giants | PCL | AAA | SFN | - | 28 | 1 | 0 | 4.15 | 3 | 3 | 0 | 0 | 0 | 0 | 0 | 13.0 | 20 | 7 | 6 | 0 | 1 | 3 | 0 | 0 | 0 | 1.62 | 13.85 | 0.00 | 0.69 | 2.08 | 4.85 | 3.00 |
| Tot: | MLB (1 yrs) | MLB | 0 | 0 | 2.50 | 5 | 0 | 0 | 0 | 1 | 5 | 0 | 18.0 | 20 | 8 | 5 | 0 | 7 | 6 | 1 | 0 | 0 | 1.50 | 10.00 | 0.00 | 3.50 | 3.00 | 4.00 | 0.86 | ||||
| Tot: | AL (1 yrs) | AL | 0 | 0 | 2.50 | 5 | 0 | 0 | 0 | 1 | 5 | 0 | 18.0 | 20 | 8 | 5 | 0 | 7 | 6 | 1 | 0 | 0 | 1.50 | 10.00 | 0.00 | 3.50 | 3.00 | 4.00 | 0.86 | ||||
| Tot: | Minors (7 yrs) | Minors | 53 | 42 | 4.14 | 133 | 117 | 30 | 6 | 0 | 16 | 4 | 769.0 | 862 | 432 | 354 | 52 | 225 | 418 | 30 | 0 | 12 | 1.41 | 10.09 | 0.61 | 2.63 | 4.89 | 5.06 | 1.86 | ||||
| Tot: | Rk (1 yrs) | Rk | 3 | 4 | 2.85 | 14 | 9 | 2 | 1 | 0 | 5 | 3 | 60.0 | 51 | 32 | 19 | 3 | 31 | 64 | 6 | 0 | 1 | 1.37 | 7.65 | 0.45 | 4.65 | 9.60 | 4.80 | 2.06 | ||||
| Tot: | A (1 yrs) | A | 14 | 7 | 3.29 | 24 | 21 | 10 | 0 | 0 | 3 | 0 | 167.0 | 171 | 82 | 61 | 10 | 30 | 94 | 4 | 0 | 6 | 1.20 | 9.22 | 0.54 | 1.62 | 5.07 | 4.42 | 3.13 | ||||
| Tot: | AA (1 yrs) | AA | 4 | 3 | 2.05 | 10 | 10 | 3 | 2 | 0 | 0 | 0 | 66.0 | 56 | 30 | 15 | 4 | 22 | 29 | 3 | 0 | 0 | 1.18 | 7.64 | 0.55 | 3.00 | 3.95 | 4.09 | 1.32 | ||||
| Tot: | AAA (5 yrs) | AAA | 32 | 28 | 4.90 | 85 | 77 | 15 | 3 | 0 | 8 | 1 | 476.0 | 584 | 288 | 259 | 35 | 142 | 231 | 17 | 0 | 5 | 1.53 | 11.04 | 0.66 | 2.68 | 4.37 | 5.45 | 1.63 | ||||
| Tot: | College (1 yrs) | College | 4 | 1 | 3.62 | 10 | 9 | 1 | 0 | 0 | 1 | 0 | 49.2 | 45 | 31 | 20 | 0 | 34 | 57 | 0 | 0 | 0 | 1.59 | 8.15 | 0.00 | 6.16 | 10.33 | 5.62 | 1.68 | ||||
| Avg: | MLB - 162 Inning avg | MLB | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 162 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | ||||
| Avg: | Minors - 162 Inning avg | College | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 162 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | ||||
| Avg: | College - 162 Inning avg | College | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 162 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 |
| Strikeouts | Walks | Hittable | SO/BB | vs Power | Durability | Team Success |
| 37 | 68 | 35 | 60 | 35 | 56 | .496 |