| 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 |
| 1977 | Asheville Tourists | Wcar | A | TEX | - | 19 | 8 | 9 | 4.12 | 26 | 25 | 10 | 1 | 1 | 0 | 0 | 166.0 | 179 | 98 | 76 | 12 | 78 | 124 | 8 | 0 | 0 | 1.55 | 9.70 | 0.65 | 4.23 | 6.72 | 5.31 | 1.59 |
| 1978 | Tulsa Drillers | Tex | AA | TEX | - | 20 | 7 | 10 | 4.24 | 26 | 25 | 8 | 0 | 1 | 0 | 0 | 155.0 | 171 | 92 | 73 | 12 | 75 | 102 | 11 | 0 | 5 | 1.59 | 9.93 | 0.70 | 4.35 | 5.92 | 5.34 | 1.36 |
| 1979 | Tucson Toros | PCL | AAA | TEX | - | 21 | 10 | 6 | 4.50 | 22 | 22 | 3 | 0 | 0 | 0 | 0 | 138.0 | 159 | 81 | 69 | 6 | 54 | 70 | 2 | 0 | 4 | 1.54 | 10.37 | 0.39 | 3.52 | 4.57 | 5.28 | 1.30 |
| 1979 | Texas Rangers | AL | MLB | TEX | 23 | 21 | 1 | 3 | 4.32 | 7 | 4 | 2 | 0 | 3 | 1 | 0 | 33.1 | 36 | 17 | 16 | 4 | 13 | 14 | 0 | 0 | 0 | 1.47 | 9.72 | 1.08 | 3.51 | 3.78 | 4.59 | 1.08 |
| 1980 | Charleston Charlies | IL | AAA | TEX | - | 22 | 8 | 8 | 3.14 | 22 | 21 | 8 | 1 | 1 | 0 | 0 | 152.0 | 146 | 62 | 53 | 5 | 43 | 68 | 4 | 0 | 1 | 1.24 | 8.64 | 0.30 | 2.55 | 4.03 | 3.67 | 1.58 |
| 1980 | Texas Rangers | AL | MLB | TEX | 23 | 22 | 0 | 1 | 5.65 | 5 | 2 | 0 | 0 | 3 | 2 | 0 | 14.1 | 13 | 13 | 9 | 0 | 10 | 10 | 1 | 0 | 1 | 1.60 | 8.16 | 0.00 | 6.28 | 6.28 | 8.16 | 1.00 |
| 1981 | Spokane Indians | PCL | AAA | SEA | 38 | 23 | 1 | 1 | 1.29 | 2 | 2 | 2 | 1 | 0 | 0 | 0 | 14.0 | 9 | 2 | 2 | 0 | 2 | 11 | 0 | 0 | 0 | 0.79 | 5.79 | 0.00 | 1.29 | 7.07 | 1.29 | 5.50 |
| 1981 | Seattle Mariners | AL | MLB | SEA | 31 | 23 | 3 | 2 | 3.75 | 7 | 7 | 1 | 0 | 0 | 0 | 0 | 48.0 | 48 | 22 | 20 | 5 | 8 | 20 | 0 | 0 | 0 | 1.17 | 9.00 | 0.94 | 1.50 | 3.75 | 4.13 | 2.50 |
| 1982 | Salt Lake Gulls | PCL | AAA | SEA | - | 24 | 1 | 2 | 9.12 | 5 | 5 | 0 | 0 | 0 | 0 | 0 | 24.2 | 31 | 26 | 25 | 9 | 11 | 10 | 3 | 0 | 1 | 1.70 | 11.31 | 3.28 | 4.01 | 3.65 | 9.49 | 0.91 |
| 1983 | Salt Lake Gulls | PCL | AAA | SEA | - | 25 | 10 | 10 | 6.07 | 35 | 26 | 3 | 2 | 9 | 2 | 1 | 164.2 | 203 | 124 | 111 | 7 | 85 | 75 | 12 | 0 | 3 | 1.75 | 11.10 | 0.38 | 4.65 | 4.10 | 6.78 | 0.88 |
| 1984 | Salt Lake Gulls | PCL | AAA | SEA | - | 26 | 3 | 9 | 6.95 | 17 | 17 | 0 | 0 | 0 | 0 | 0 | 88.0 | 116 | 76 | 68 | 10 | 50 | 34 | 3 | 0 | 5 | 1.89 | 11.86 | 1.02 | 5.11 | 3.48 | 7.77 | 0.68 |
| Tot: | MLB (3 yrs) | MLB | 4 | 6 | 4.23 | 19 | 13 | 3 | 0 | 3 | 6 | 0 | 95.2 | 97 | 52 | 45 | 9 | 31 | 44 | 1 | 0 | 1 | 1.34 | 9.13 | 0.85 | 2.92 | 4.14 | 4.89 | 1.42 | ||||
| Tot: | AL (3 yrs) | AL | 4 | 6 | 4.23 | 19 | 13 | 3 | 0 | 3 | 6 | 0 | 95.2 | 97 | 52 | 45 | 9 | 31 | 44 | 1 | 0 | 1 | 1.34 | 9.13 | 0.85 | 2.92 | 4.14 | 4.89 | 1.42 | ||||
| Tot: | Minors (8 yrs) | Minors | 48 | 55 | 4.76 | 155 | 143 | 34 | 5 | 2 | 12 | 1 | 902.1 | 1014 | 561 | 477 | 61 | 398 | 494 | 43 | 0 | 19 | 1.56 | 10.11 | 0.61 | 3.97 | 4.93 | 5.60 | 1.24 | ||||
| Tot: | A (1 yrs) | A | 8 | 9 | 4.12 | 26 | 25 | 10 | 1 | 0 | 1 | 0 | 166.0 | 179 | 98 | 76 | 12 | 78 | 124 | 8 | 0 | 0 | 1.55 | 9.70 | 0.65 | 4.23 | 6.72 | 5.31 | 1.59 | ||||
| Tot: | AA (1 yrs) | AA | 7 | 10 | 4.24 | 26 | 25 | 8 | 0 | 0 | 1 | 0 | 155.0 | 171 | 92 | 73 | 12 | 75 | 102 | 11 | 0 | 5 | 1.59 | 9.93 | 0.70 | 4.35 | 5.92 | 5.34 | 1.36 | ||||
| Tot: | AAA (6 yrs) | AAA | 33 | 36 | 5.08 | 103 | 93 | 16 | 4 | 2 | 10 | 1 | 581.1 | 664 | 371 | 328 | 37 | 245 | 268 | 24 | 0 | 14 | 1.56 | 10.28 | 0.57 | 3.79 | 4.15 | 5.74 | 1.09 | ||||
| Avg: | MLB - 162 Inning avg | MLB | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 162 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | ||||
| Avg: | Minors - 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 |
| 1977 | Asheville Tourists | Wcar | A | TEX | - | 19 | P | 26 | 5 | 1 | 1 | 0 | 0 | 1 | 1 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 4 | 6 | 1 | 0 | .200 | .333 | .800 | 1.133 | .800 | .600 | .000 | 16.67 | 16.67 | 1.00 | 5.00 | |
| Tot: | Minors (1 yrs) | Minors | 26 | 5 | 1 | 1 | 0 | 0 | 1 | 1 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 4 | 6 | 1 | 0 | .200 | .333 | .800 | 1.133 | .800 | .600 | .000 | 16.67 | 16.67 | 1.00 | 5.00 | ||||||
| Tot: | A (1 yrs) | A | 26 | 5 | 1 | 1 | 0 | 0 | 1 | 1 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 4 | 6 | 1 | 0 | .200 | .333 | .800 | 1.133 | .800 | .600 | .000 | 16.67 | 16.67 | 1.00 | 5.00 | ||||||
| Avg: | Minors - 162 game avg | College | 162 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 |
| Strikeouts | Walks | Hittable | SO/BB | vs Power | Durability | Team Success |
| 26 | 59 | 28 | 43 | 28 | 51 | .477 |