| 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 |
| 1973 | Minnesota Twins | AL | MLB | MIN | 20 | 26 | 1 | 0 | 2.70 | 14 | 0 | 0 | 0 | 14 | 5 | 0 | 23.1 | 13 | 7 | 7 | 1 | 19 | 13 | 5 | 1 | 0 | 1.37 | 5.01 | 0.39 | 7.33 | 5.01 | 2.70 | 0.68 |
| 1974 | Minnesota Twins | AL | MLB | MIN | 20 | 27 | 8 | 9 | 4.12 | 32 | 22 | 4 | 1 | 10 | 4 | 0 | 164.0 | 159 | 83 | 75 | 19 | 80 | 85 | 4 | 0 | 6 | 1.46 | 8.73 | 1.04 | 4.39 | 4.66 | 4.55 | 1.06 |
| 1975 | Minnesota Twins | AL | MLB | MIN | 20 | 28 | 6 | 7 | 4.53 | 32 | 15 | 2 | 0 | 17 | 12 | 1 | 135.0 | 115 | 82 | 68 | 16 | 97 | 72 | 8 | 0 | 4 | 1.57 | 7.67 | 1.07 | 6.47 | 4.80 | 5.47 | 0.74 |
| 1976 | Minnesota Twins | AL | MLB | MIN | 20 | 29 | 3 | 1 | 3.58 | 23 | 0 | 0 | 0 | 23 | 11 | 0 | 50.1 | 51 | 22 | 20 | 0 | 24 | 23 | 4 | 0 | 2 | 1.49 | 9.12 | 0.00 | 4.29 | 4.11 | 3.93 | 0.96 |
| 1977 | Syracuse Chiefs | IL | AAA | NYA | - | 30 | 9 | 9 | 5.13 | 29 | 15 | 2 | 0 | 14 | 0 | 2 | 121.0 | 120 | 72 | 69 | 14 | 53 | 55 | 7 | 0 | 0 | 1.43 | 8.93 | 1.04 | 3.94 | 4.09 | 5.36 | 1.04 |
| 1979 | Tacoma Tugs | PCL | AAA | CLE | - | 32 | 5 | 3 | 4.58 | 13 | 9 | 0 | 0 | 4 | 0 | 0 | 53.0 | 64 | 29 | 27 | 5 | 25 | 20 | 2 | 0 | 0 | 1.68 | 10.87 | 0.85 | 4.25 | 3.40 | 4.92 | 0.80 |
| Tot: | MLB (4 yrs) | MLB | 18 | 17 | 4.11 | 101 | 37 | 6 | 1 | 32 | 64 | 1 | 372.2 | 338 | 194 | 170 | 36 | 220 | 193 | 21 | 1 | 12 | 1.50 | 8.16 | 0.87 | 5.31 | 4.66 | 4.69 | 0.88 | ||||
| Tot: | AL (4 yrs) | AL | 18 | 17 | 4.11 | 101 | 37 | 6 | 1 | 32 | 64 | 1 | 372.2 | 338 | 194 | 170 | 36 | 220 | 193 | 21 | 1 | 12 | 1.50 | 8.16 | 0.87 | 5.31 | 4.66 | 4.69 | 0.88 | ||||
| Tot: | Minors (2 yrs) | Minors | 14 | 12 | 4.97 | 42 | 24 | 2 | 0 | 0 | 18 | 2 | 174.0 | 184 | 101 | 96 | 19 | 78 | 75 | 9 | 0 | 0 | 1.51 | 9.52 | 0.98 | 4.03 | 3.88 | 5.22 | 0.96 | ||||
| Tot: | AAA (2 yrs) | AAA | 14 | 12 | 4.97 | 42 | 24 | 2 | 0 | 0 | 18 | 2 | 174.0 | 184 | 101 | 96 | 19 | 78 | 75 | 9 | 0 | 0 | 1.51 | 9.52 | 0.98 | 4.03 | 3.88 | 5.22 | 0.96 | ||||
| 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 |
| 1975 | Minnesota Twins | AL | MLB | MIN | 20 | 28 | P | 33 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | .000 | .000 | .000 | .000 | .000 | .000 | .000 | 0.00 | 100.00 | 0.00 | 0.00 | |
| Tot: | MLB (1 yrs) | MLB | 33 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | .000 | .000 | .000 | .000 | .000 | .000 | 0.00 | 100.00 | |||||||||
| Tot: | AL (1 yrs) | AL | 33 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | .000 | .000 | .000 | .000 | .000 | .000 | 0.00 | 100.00 | |||||||||
| Tot: | Minors (1 yrs) | Minors | 29 | 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 | 29 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | |||||||||||||||||
| Avg: | MLB - 162 game avg | MLB | 162 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | ||||||
| Avg: | Minors - 162 game avg | College | 162 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 |
| Strikeouts | Walks | Hittable | SO/BB | vs Power | Durability | Team Success |
| 34 | 28 | 59 | 17 | 59 | 56 | .502 |