| 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 |
| 1976 | Texas | SWC | NCAA-1 | 2 | 15 | 20 | 8 | 3 | 2.62 | 16 | 8 | 6 | 0 | 8 | 0 | 0 | 82.1 | 70 | 32 | 24 | 0 | 29 | 61 | 0 | 0 | 0 | 1.20 | 7.65 | 0.00 | 3.17 | 6.67 | 3.50 | 2.10 |
| 1977 | Texas | SWC | NCAA-1 | 3 | 15 | 21 | 15 | 2 | 1.94 | 18 | 15 | 10 | 0 | 3 | 0 | 0 | 130.0 | 106 | 39 | 28 | 0 | 25 | 94 | 0 | 0 | 0 | 1.01 | 7.34 | 0.00 | 1.73 | 6.51 | 2.70 | 3.76 |
| 1977 | Tulsa Drillers | Tex | AA | TEX | - | 21 | 1 | 2 | 3.38 | 6 | 5 | 1 | 1 | 1 | 0 | 0 | 24.0 | 23 | 15 | 9 | 0 | 5 | 6 | 2 | 0 | 0 | 1.17 | 8.63 | 0.00 | 1.88 | 2.25 | 5.63 | 1.20 |
| 1978 | Tulsa Drillers | Tex | AA | TEX | - | 22 | 9 | 5 | 4.08 | 17 | 17 | 10 | 4 | 0 | 0 | 0 | 119.0 | 117 | 65 | 54 | 7 | 29 | 75 | 6 | 0 | 3 | 1.23 | 8.85 | 0.53 | 2.19 | 5.67 | 4.92 | 2.59 |
| 1978 | Tucson Toros | PCL | AAA | TEX | - | 22 | 2 | 4 | 5.74 | 9 | 9 | 2 | 0 | 0 | 0 | 0 | 58.0 | 75 | 39 | 37 | 3 | 29 | 29 | 3 | 0 | 0 | 1.79 | 11.64 | 0.47 | 4.50 | 4.50 | 6.05 | 1.00 |
| 1979 | Tucson Toros | PCL | AAA | TEX | - | 23 | 6 | 13 | 5.34 | 28 | 28 | 5 | 0 | 0 | 0 | 0 | 167.0 | 222 | 114 | 99 | 9 | 56 | 69 | 7 | 0 | 4 | 1.66 | 11.96 | 0.49 | 3.02 | 3.72 | 6.14 | 1.23 |
| 1980 | Charleston Charlies | IL | AAA | TEX | - | 24 | 9 | 7 | 2.87 | 22 | 22 | 6 | 3 | 0 | 0 | 0 | 138.0 | 128 | 58 | 44 | 6 | 46 | 66 | 6 | 0 | 4 | 1.26 | 8.35 | 0.39 | 3.00 | 4.30 | 3.78 | 1.43 |
| 1980 | Texas Rangers | AL | MLB | TEX | 43 | 24 | 0 | 0 | 1.83 | 4 | 3 | 0 | 0 | 1 | 0 | 0 | 19.2 | 22 | 7 | 4 | 0 | 9 | 10 | 0 | 0 | 3 | 1.58 | 10.07 | 0.00 | 4.12 | 4.58 | 3.20 | 1.11 |
| 1981 | Wichita Aeros | Amer | AAA | TEX | - | 25 | 6 | 14 | 5.67 | 25 | 25 | 4 | 1 | 0 | 0 | 0 | 162.0 | 192 | 115 | 102 | 29 | 73 | 87 | 4 | 0 | 0 | 1.64 | 10.67 | 1.61 | 4.06 | 4.83 | 6.39 | 1.19 |
| 1982 | Denver Bears | Amer | AAA | TEX | - | 26 | 0 | 1 | 22.50 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 2.0 | 7 | 5 | 5 | 2 | 0 | 1 | 0 | 0 | 0 | 3.50 | 31.50 | 9.00 | 0.00 | 4.50 | 22.50 | 0.00 |
| Tot: | MLB (1 yrs) | MLB | 0 | 0 | 1.83 | 4 | 3 | 0 | 0 | 0 | 1 | 0 | 19.2 | 22 | 7 | 4 | 0 | 9 | 10 | 0 | 0 | 3 | 1.58 | 10.07 | 0.00 | 4.12 | 4.58 | 3.20 | 1.11 | ||||
| Tot: | AL (1 yrs) | AL | 0 | 0 | 1.83 | 4 | 3 | 0 | 0 | 0 | 1 | 0 | 19.2 | 22 | 7 | 4 | 0 | 9 | 10 | 0 | 0 | 3 | 1.58 | 10.07 | 0.00 | 4.12 | 4.58 | 3.20 | 1.11 | ||||
| Tot: | Minors (6 yrs) | Minors | 33 | 46 | 4.70 | 108 | 107 | 28 | 9 | 0 | 1 | 0 | 670.0 | 764 | 411 | 350 | 56 | 238 | 333 | 28 | 0 | 11 | 1.50 | 10.26 | 0.75 | 3.20 | 4.47 | 5.52 | 1.40 | ||||
| Tot: | AA (2 yrs) | AA | 10 | 7 | 3.97 | 23 | 22 | 11 | 5 | 0 | 1 | 0 | 143.0 | 140 | 80 | 63 | 7 | 34 | 81 | 8 | 0 | 3 | 1.22 | 8.81 | 0.44 | 2.14 | 5.10 | 5.03 | 2.38 | ||||
| Tot: | AAA (5 yrs) | AAA | 23 | 39 | 4.90 | 85 | 85 | 17 | 4 | 0 | 0 | 0 | 527.0 | 624 | 331 | 287 | 49 | 204 | 252 | 20 | 0 | 8 | 1.57 | 10.66 | 0.84 | 3.48 | 4.30 | 5.65 | 1.24 | ||||
| Tot: | College (2 yrs) | College | 23 | 5 | 2.20 | 34 | 23 | 16 | 0 | 0 | 11 | 0 | 212.1 | 176 | 71 | 52 | 0 | 54 | 155 | 0 | 0 | 0 | 1.08 | 7.46 | 0.00 | 2.29 | 6.57 | 3.01 | 2.87 | ||||
| Avg: | MLB - 162 Inning avg | MLB | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 162 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | ||||
| Avg: | Minors - 162 Inning avg | College | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 162 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | ||||
| Avg: | College - 162 Inning avg | College | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 162 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 |
| year | team name | league | level | mlb | # | age | pos | tbc+ | g | ab | r | h | 2b | 3b | hr | rbi | sb | cs | bb | so | hbp | sh | sf | ibb | gdp | tb | pa | xbh | 1b | avg | obp | slg | ops | seca | iso | babip | bb% | so% | so/bb | ab/hr |
| Tot: | Minors (1 yrs) | Minors | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |||||||||||||||||
| Tot: | AA (1 yrs) | AA | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |||||||||||||||||
| Avg: | Minors - 162 game avg | College | 162 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 |
| Strikeouts | Walks | Hittable | SO/BB | vs Power | Durability | Team Success |
| 24 | 71 | 35 | 48 | 35 | 54 | .483 |