| 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 | Tacoma Twins | PCL | AAA | MIN | - | 24 | 4 | 3 | 3.76 | 11 | 8 | 3 | 1 | 3 | 0 | 0 | 55.0 | 69 | 27 | 23 | 4 | 14 | 32 | 1 | 0 | 0 | 1.51 | 11.29 | 0.65 | 2.29 | 5.24 | 4.42 | 2.29 |
| 1977 | Minnesota Twins | AL | MLB | MIN | 36 | 24 | 2 | 3 | 6.89 | 18 | 5 | 0 | 0 | 13 | 6 | 0 | 48.1 | 57 | 37 | 37 | 8 | 12 | 32 | 1 | 0 | 1 | 1.43 | 10.61 | 1.49 | 2.23 | 5.96 | 6.89 | 2.67 |
| 1978 | Orlando Twins | Sou | AA | MIN | - | 25 | 6 | 0 | 0.77 | 25 | 0 | 0 | 0 | 25 | 0 | 10 | 47.0 | 27 | 5 | 4 | 1 | 12 | 41 | 2 | 0 | 0 | 0.83 | 5.17 | 0.19 | 2.30 | 7.85 | 0.96 | 3.42 |
| 1978 | Minnesota Twins | AL | MLB | MIN | 36 | 25 | 1 | 1 | 3.57 | 15 | 1 | 0 | 0 | 14 | 6 | 0 | 35.1 | 28 | 15 | 14 | 1 | 18 | 12 | 3 | 1 | 0 | 1.30 | 7.13 | 0.25 | 4.58 | 3.06 | 3.82 | 0.67 |
| 1979 | Toledo Mud Hens | IL | AAA | MIN | - | 26 | 4 | 3 | 2.88 | 38 | 1 | 0 | 0 | 37 | 0 | 3 | 72.0 | 71 | 34 | 23 | 2 | 25 | 44 | 4 | 0 | 1 | 1.33 | 8.88 | 0.25 | 3.13 | 5.50 | 4.25 | 1.76 |
| 1979 | Minnesota Twins | AL | MLB | MIN | 21 | 26 | 0 | 0 | 7.11 | 6 | 0 | 0 | 0 | 6 | 2 | 0 | 6.1 | 10 | 7 | 5 | 0 | 3 | 5 | 0 | 0 | 0 | 2.05 | 14.21 | 0.00 | 4.26 | 7.11 | 9.95 | 1.67 |
| Tot: | MLB (3 yrs) | MLB | 3 | 4 | 5.60 | 39 | 6 | 0 | 0 | 14 | 33 | 0 | 90.0 | 95 | 59 | 56 | 9 | 33 | 49 | 4 | 1 | 1 | 1.42 | 9.50 | 0.90 | 3.30 | 4.90 | 5.90 | 1.48 | ||||
| Tot: | AL (3 yrs) | AL | 3 | 4 | 5.60 | 39 | 6 | 0 | 0 | 14 | 33 | 0 | 90.0 | 95 | 59 | 56 | 9 | 33 | 49 | 4 | 1 | 1 | 1.42 | 9.50 | 0.90 | 3.30 | 4.90 | 5.90 | 1.48 | ||||
| Tot: | Minors (3 yrs) | Minors | 14 | 6 | 2.59 | 74 | 9 | 3 | 1 | 0 | 65 | 13 | 174.0 | 167 | 66 | 50 | 7 | 51 | 117 | 7 | 0 | 1 | 1.25 | 8.64 | 0.36 | 2.64 | 6.05 | 3.41 | 2.29 | ||||
| Tot: | AA (1 yrs) | AA | 6 | 0 | 0.77 | 25 | 0 | 0 | 0 | 0 | 25 | 10 | 47.0 | 27 | 5 | 4 | 1 | 12 | 41 | 2 | 0 | 0 | 0.83 | 5.17 | 0.19 | 2.30 | 7.85 | 0.96 | 3.42 | ||||
| Tot: | AAA (2 yrs) | AAA | 8 | 6 | 3.26 | 49 | 9 | 3 | 1 | 0 | 40 | 3 | 127.0 | 140 | 61 | 46 | 6 | 39 | 76 | 5 | 0 | 1 | 1.41 | 9.92 | 0.43 | 2.76 | 5.39 | 4.32 | 1.95 | ||||
| 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 |
| 1978 | Orlando Twins | Sou | AA | MIN | - | 25 | P | 2 | 2 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 0 | 1 | .500 | .500 | .500 | 1.000 | .000 | .000 | 1.000 | 0.00 | 50.00 | 0.00 | 0.00 | |
| Tot: | Minors (2 yrs) | Minors | 13 | 2 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 0 | 1 | .500 | .500 | .500 | 1.000 | .000 | .000 | 1.000 | 0.00 | 50.00 | ||||||||
| Tot: | AA (1 yrs) | AA | 2 | 2 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 0 | 1 | .500 | .500 | .500 | 1.000 | .000 | .000 | 1.000 | 0.00 | 50.00 | ||||||||
| Tot: | AAA (1 yrs) | AAA | 11 | 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 |
| 50 | 76 | 56 | 72 | 56 | 39 | .497 |