| 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 | Orlando Twins | Sou | AA | MIN | - | 20 | 2 | 3 | 4.09 | 22 | 0 | 0 | 0 | 22 | 0 | 10 | 33.0 | 31 | 18 | 15 | 2 | 14 | 16 | 1 | 0 | 0 | 1.36 | 8.45 | 0.55 | 3.82 | 4.36 | 4.91 | 1.14 |
| 1977 | Tacoma Twins | PCL | AAA | MIN | - | 20 | 4 | 0 | 1.80 | 13 | 0 | 0 | 0 | 13 | 0 | 4 | 30.0 | 22 | 7 | 6 | 3 | 10 | 18 | 0 | 0 | 0 | 1.07 | 6.60 | 0.90 | 3.00 | 5.40 | 2.10 | 1.80 |
| 1977 | Minnesota Twins | AL | MLB | MIN | 20 | 20 | 0 | 0 | 4.37 | 8 | 0 | 0 | 0 | 8 | 2 | 0 | 22.2 | 22 | 11 | 11 | 4 | 10 | 14 | 1 | 0 | 2 | 1.41 | 8.74 | 1.59 | 3.97 | 5.56 | 4.37 | 1.40 |
| 1978 | Minnesota Twins | AL | MLB | MIN | 20 | 21 | 9 | 9 | 4.10 | 34 | 23 | 6 | 1 | 11 | 4 | 1 | 184.1 | 188 | 88 | 84 | 14 | 44 | 80 | 5 | 3 | 3 | 1.26 | 9.18 | 0.68 | 2.15 | 3.91 | 4.30 | 1.82 |
| 1979 | Toledo Mud Hens | IL | AAA | MIN | - | 22 | 1 | 1 | 4.15 | 2 | 2 | 1 | 0 | 0 | 0 | 0 | 13.0 | 15 | 9 | 6 | 0 | 4 | 5 | 0 | 0 | 0 | 1.46 | 10.38 | 0.00 | 2.77 | 3.46 | 6.23 | 1.25 |
| 1979 | Minnesota Twins | AL | MLB | MIN | 20 | 22 | 1 | 3 | 6.61 | 20 | 5 | 0 | 0 | 15 | 7 | 0 | 64.0 | 93 | 47 | 47 | 10 | 20 | 31 | 1 | 0 | 0 | 1.77 | 13.08 | 1.41 | 2.81 | 4.36 | 6.61 | 1.55 |
| 1980 | Toledo Mud Hens | IL | AAA | MIN | - | 23 | 3 | 7 | 3.66 | 38 | 2 | 1 | 0 | 36 | 0 | 2 | 91.0 | 96 | 47 | 37 | 10 | 27 | 48 | 2 | 0 | 3 | 1.35 | 9.49 | 0.99 | 2.67 | 4.75 | 4.65 | 1.78 |
| 1981 | Orlando Twins | Sou | AA | MIN | - | 24 | 4 | 5 | 5.37 | 45 | 0 | 0 | 0 | 45 | 36 | 20 | 62.0 | 69 | 41 | 37 | 2 | 32 | 1 | 4 | 0 | 0 | 1.63 | 10.02 | 0.29 | 4.65 | 0.15 | 5.95 | 0.03 |
| 1982 | Nashville Sounds | Sou | AA | NYA | - | 25 | 3 | 0 | 2.48 | 10 | 0 | 0 | 0 | 10 | 6 | 0 | 29.0 | 28 | 9 | 8 | 0 | 13 | 18 | 1 | 0 | 0 | 1.41 | 8.69 | 0.00 | 4.03 | 5.59 | 2.79 | 1.38 |
| 1982 | Columbus Clippers | IL | AAA | NYA | - | 25 | 6 | 1 | 5.14 | 36 | 1 | 0 | 0 | 35 | 17 | 6 | 77.0 | 85 | 52 | 44 | 9 | 34 | 37 | 0 | 0 | 2 | 1.55 | 9.94 | 1.05 | 3.97 | 4.32 | 6.08 | 1.09 |
| Tot: | MLB (3 yrs) | MLB | 10 | 12 | 4.72 | 62 | 28 | 6 | 1 | 13 | 34 | 1 | 271.0 | 303 | 146 | 142 | 28 | 74 | 125 | 7 | 3 | 5 | 1.39 | 10.06 | 0.93 | 2.46 | 4.15 | 4.85 | 1.69 | ||||
| Tot: | AL (3 yrs) | AL | 10 | 12 | 4.72 | 62 | 28 | 6 | 1 | 13 | 34 | 1 | 271.0 | 303 | 146 | 142 | 28 | 74 | 125 | 7 | 3 | 5 | 1.39 | 10.06 | 0.93 | 2.46 | 4.15 | 4.85 | 1.69 | ||||
| Tot: | Minors (5 yrs) | Minors | 23 | 17 | 4.11 | 166 | 5 | 2 | 0 | 59 | 161 | 42 | 335.0 | 346 | 183 | 153 | 26 | 134 | 143 | 8 | 0 | 5 | 1.43 | 9.30 | 0.70 | 3.60 | 3.84 | 4.92 | 1.07 | ||||
| Tot: | AA (3 yrs) | AA | 9 | 8 | 4.35 | 77 | 0 | 0 | 0 | 42 | 77 | 30 | 124.0 | 128 | 68 | 60 | 4 | 59 | 35 | 6 | 0 | 0 | 1.51 | 9.29 | 0.29 | 4.28 | 2.54 | 4.94 | 0.59 | ||||
| Tot: | AAA (4 yrs) | AAA | 14 | 9 | 3.97 | 89 | 5 | 2 | 0 | 17 | 84 | 12 | 211.0 | 218 | 115 | 93 | 22 | 75 | 108 | 2 | 0 | 5 | 1.39 | 9.30 | 0.94 | 3.20 | 4.61 | 4.91 | 1.44 | ||||
| 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 | Tacoma Twins | PCL | AAA | MIN | - | 20 | P | 13 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | .000 | .000 | .000 | .000 | .000 | .000 | .000 | 0.00 | 50.00 | 0.00 | 0.00 | |
| 1981 | Orlando Twins | Sou | AA | MIN | - | 24 | P | 45 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 1 | 1.000 | 1.000 | 1.000 | 2.000 | .000 | .000 | 1.000 | 0.00 | 0.00 | 0.00 | 0.00 | |
| Tot: | Minors (2 yrs) | Minors | 80 | 2 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 1 | 3 | 0 | 1 | .500 | .500 | .500 | 1.000 | .000 | .000 | 1.000 | 0.00 | 33.33 | ||||||||
| Tot: | AA (2 yrs) | AA | 67 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 1 | 1.000 | 1.000 | 1.000 | 2.000 | .000 | .000 | 1.000 | 0.00 | 0.00 | ||||||||
| Tot: | AAA (1 yrs) | AAA | 13 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | .000 | .000 | .000 | .000 | .000 | .000 | 0.00 | 50.00 | |||||||||
| Avg: | Minors - 162 game avg | College | 162 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 |
| Strikeouts | Walks | Hittable | SO/BB | vs Power | Durability | Team Success |
| 30 | 65 | 42 | 50 | 42 | 60 | .511 |