| 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 | Gulf Coast Rangers | GCL | Rk | TEX | - | 19 | 3 | 3 | 4.50 | 11 | 4 | 0 | 0 | 7 | 0 | 1 | 40.0 | 45 | 30 | 20 | 1 | 21 | 27 | 3 | 0 | 0 | 1.65 | 10.13 | 0.23 | 4.73 | 6.08 | 6.75 | 1.29 |
| 1977 | Asheville Tourists | Wcar | A | TEX | - | 19 | 0 | 2 | 9.00 | 5 | 1 | 0 | 0 | 4 | 0 | 0 | 7.0 | 15 | 15 | 7 | 1 | 6 | 3 | 1 | 0 | 0 | 3.00 | 19.29 | 1.29 | 7.71 | 3.86 | 19.29 | 0.50 |
| 1978 | Asheville Tourists | Wcar | A | TEX | - | 20 | 6 | 6 | 4.30 | 32 | 8 | 2 | 0 | 24 | 0 | 1 | 92.0 | 89 | 60 | 44 | 7 | 57 | 79 | 5 | 0 | 2 | 1.59 | 8.71 | 0.68 | 5.58 | 7.73 | 5.87 | 1.39 |
| 1979 | Tulsa Drillers | Tex | AA | TEX | - | 21 | 5 | 7 | 5.65 | 25 | 14 | 4 | 1 | 11 | 0 | 0 | 102.0 | 126 | 75 | 64 | 7 | 45 | 79 | 11 | 0 | 1 | 1.68 | 11.12 | 0.62 | 3.97 | 6.97 | 6.62 | 1.76 |
| 1980 | Tulsa Drillers | Tex | AA | TEX | - | 22 | 3 | 2 | 5.44 | 10 | 7 | 1 | 0 | 3 | 0 | 0 | 48.0 | 52 | 35 | 29 | 3 | 22 | 38 | 0 | 0 | 2 | 1.54 | 9.75 | 0.56 | 4.13 | 7.13 | 6.56 | 1.73 |
| 1980 | Charleston Charlies | IL | AAA | TEX | - | 22 | 8 | 9 | 4.27 | 18 | 17 | 2 | 1 | 1 | 0 | 0 | 99.0 | 110 | 62 | 47 | 6 | 37 | 64 | 2 | 0 | 0 | 1.48 | 10.00 | 0.55 | 3.36 | 5.82 | 5.64 | 1.73 |
| 1981 | Wichita Aeros | Amer | AAA | TEX | - | 23 | 6 | 5 | 3.86 | 20 | 15 | 3 | 0 | 5 | 0 | 0 | 105.0 | 106 | 51 | 45 | 12 | 39 | 59 | 3 | 0 | 0 | 1.38 | 9.09 | 1.03 | 3.34 | 5.06 | 4.37 | 1.51 |
| 1981 | Texas Rangers | AL | MLB | TEX | 12 | 23 | 0 | 1 | 16.20 | 2 | 1 | 0 | 0 | 1 | 0 | 0 | 3.1 | 8 | 7 | 6 | 1 | 2 | 2 | 0 | 0 | 0 | 3.00 | 21.60 | 2.70 | 5.40 | 5.40 | 18.90 | 1.00 |
| 1982 | Denver Bears | Amer | AAA | TEX | - | 24 | 4 | 8 | 6.30 | 30 | 20 | 1 | 1 | 10 | 1 | 0 | 121.1 | 146 | 97 | 85 | 14 | 45 | 65 | 0 | 0 | 3 | 1.57 | 10.83 | 1.04 | 3.34 | 4.82 | 7.20 | 1.44 |
| 1983 | Minnesota Twins | AL | MLB | MIN | 22 | 25 | 7 | 1 | 4.15 | 60 | 0 | 0 | 0 | 60 | 27 | 2 | 73.2 | 70 | 34 | 34 | 6 | 44 | 44 | 6 | 0 | 2 | 1.55 | 8.55 | 0.73 | 5.38 | 5.38 | 4.15 | 1.00 |
| 1984 | Toledo Mud Hens | IL | AAA | MIN | - | 26 | 0 | 0 | 0.00 | 4 | 0 | 0 | 0 | 4 | 4 | 1 | 4.1 | 5 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 1.15 | 10.38 | 0.00 | 0.00 | 6.23 | 0.00 | 0.00 |
| 1984 | Minnesota Twins | AL | MLB | MIN | 22 | 26 | 2 | 2 | 3.16 | 30 | 0 | 0 | 0 | 30 | 10 | 1 | 31.1 | 29 | 11 | 11 | 3 | 17 | 18 | 2 | 0 | 2 | 1.47 | 8.33 | 0.86 | 4.88 | 5.17 | 3.16 | 1.06 |
| 1985 | Toledo Mud Hens | IL | AAA | MIN | - | 27 | 2 | 4 | 5.63 | 37 | 1 | 0 | 0 | 36 | 17 | 4 | 64.0 | 69 | 48 | 40 | 7 | 34 | 30 | 2 | 0 | 0 | 1.61 | 9.70 | 0.98 | 4.78 | 4.22 | 6.75 | 0.88 |
| 1985 | Minnesota Twins | AL | MLB | MIN | 22 | 27 | 0 | 0 | 11.05 | 5 | 0 | 0 | 0 | 5 | 2 | 1 | 7.1 | 12 | 9 | 9 | 4 | 2 | 4 | 1 | 0 | 0 | 1.91 | 14.73 | 4.91 | 2.45 | 4.91 | 11.05 | 2.00 |
| 1986 | Glens Falls Tigers | East | AA | DET | - | 28 | 3 | 2 | 4.45 | 15 | 0 | 0 | 0 | 15 | 6 | 1 | 30.1 | 35 | 19 | 15 | 0 | 16 | 28 | 1 | 0 | 1 | 1.68 | 10.38 | 0.00 | 4.75 | 8.31 | 5.64 | 1.75 |
| Tot: | MLB (4 yrs) | MLB | 9 | 4 | 4.67 | 97 | 1 | 0 | 0 | 39 | 96 | 4 | 115.2 | 119 | 61 | 60 | 14 | 65 | 68 | 9 | 0 | 4 | 1.59 | 9.26 | 1.09 | 5.06 | 5.29 | 4.75 | 1.05 | ||||
| Tot: | AL (4 yrs) | AL | 9 | 4 | 4.67 | 97 | 1 | 0 | 0 | 39 | 96 | 4 | 115.2 | 119 | 61 | 60 | 14 | 65 | 68 | 9 | 0 | 4 | 1.59 | 9.26 | 1.09 | 5.06 | 5.29 | 4.75 | 1.05 | ||||
| Tot: | Minors (9 yrs) | Minors | 40 | 48 | 5.00 | 207 | 87 | 13 | 3 | 28 | 120 | 8 | 713.0 | 798 | 492 | 396 | 58 | 322 | 475 | 28 | 0 | 9 | 1.57 | 10.07 | 0.73 | 4.06 | 6.00 | 6.21 | 1.48 | ||||
| Tot: | Rk (1 yrs) | Rk | 3 | 3 | 4.50 | 11 | 4 | 0 | 0 | 0 | 7 | 1 | 40.0 | 45 | 30 | 20 | 1 | 21 | 27 | 3 | 0 | 0 | 1.65 | 10.12 | 0.22 | 4.73 | 6.08 | 6.75 | 1.29 | ||||
| Tot: | A (2 yrs) | A | 6 | 8 | 4.64 | 37 | 9 | 2 | 0 | 0 | 28 | 1 | 99.0 | 104 | 75 | 51 | 8 | 63 | 82 | 6 | 0 | 2 | 1.69 | 9.45 | 0.73 | 5.73 | 7.45 | 6.82 | 1.30 | ||||
| Tot: | AA (3 yrs) | AA | 11 | 11 | 5.39 | 50 | 21 | 5 | 1 | 6 | 29 | 1 | 180.1 | 213 | 129 | 108 | 10 | 83 | 145 | 12 | 0 | 4 | 1.64 | 10.63 | 0.50 | 4.14 | 7.24 | 6.44 | 1.75 | ||||
| Tot: | AAA (5 yrs) | AAA | 20 | 26 | 4.96 | 109 | 53 | 6 | 2 | 22 | 56 | 5 | 393.2 | 436 | 258 | 217 | 39 | 155 | 221 | 7 | 0 | 3 | 1.50 | 9.97 | 0.89 | 3.54 | 5.05 | 5.90 | 1.43 | ||||
| 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 |
| 1981 | Wichita Aeros | Amer | AAA | TEX | - | 23 | P | 24 | 1 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 1 | 1 | 0 | 1.000 | 1.000 | 3.000 | 4.000 | 2.000 | 2.000 | 1.000 | 0.00 | 0.00 | 0.00 | 0.00 | |
| Tot: | Minors (2 yrs) | Minors | 40 | 1 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 1 | 1 | 0 | 1.000 | 1.000 | 3.000 | 4.000 | 2.000 | 2.000 | 1.000 | 0.00 | 0.00 | ||||||||
| Tot: | Rk (1 yrs) | Rk | 11 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |||||||||||||||||
| Tot: | A (1 yrs) | A | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |||||||||||||||||
| Tot: | AAA (1 yrs) | AAA | 24 | 1 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 1 | 1 | 0 | 1.000 | 1.000 | 3.000 | 4.000 | 2.000 | 2.000 | 1.000 | 0.00 | 0.00 | ||||||||
| Avg: | Minors - 162 game avg | College | 162 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 |
| Strikeouts | Walks | Hittable | SO/BB | vs Power | Durability | Team Success |
| 53 | 41 | 35 | 45 | 35 | 58 | .503 |