| 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 | 18 | 21 | 0 | 5 | 4.92 | 23 | 6 | 0 | 0 | 17 | 5 | 2 | 60.1 | 62 | 40 | 33 | 5 | 30 | 42 | 4 | 2 | 2 | 1.52 | 9.25 | 0.75 | 4.48 | 6.27 | 5.97 | 1.40 |
| 1975 | Minnesota Twins | AL | MLB | MIN | 16 | 23 | 3 | 1 | 2.86 | 4 | 4 | 0 | 0 | 0 | 0 | 0 | 28.1 | 28 | 11 | 9 | 2 | 15 | 14 | 0 | 0 | 1 | 1.52 | 8.89 | 0.64 | 4.76 | 4.45 | 3.49 | 0.93 |
| 1976 | Tacoma Twins | PCL | AAA | MIN | - | 24 | 4 | 5 | 3.69 | 14 | 14 | 3 | 1 | 0 | 0 | 0 | 78.0 | 79 | 49 | 32 | 4 | 41 | 40 | 2 | 1 | 2 | 1.54 | 9.12 | 0.46 | 4.73 | 4.62 | 5.65 | 0.98 |
| 1976 | Minnesota Twins | AL | MLB | MIN | 18 | 24 | 4 | 7 | 5.11 | 17 | 15 | 1 | 0 | 2 | 2 | 0 | 79.1 | 92 | 52 | 45 | 6 | 39 | 24 | 6 | 0 | 0 | 1.65 | 10.44 | 0.68 | 4.42 | 2.72 | 5.90 | 0.62 |
| 1977 | Tacoma Twins | PCL | AAA | MIN | - | 25 | 9 | 8 | 4.14 | 34 | 19 | 8 | 1 | 15 | 0 | 0 | 163.0 | 189 | 95 | 75 | 18 | 60 | 83 | 2 | 2 | 0 | 1.53 | 10.44 | 0.99 | 3.31 | 4.58 | 5.25 | 1.38 |
| 1978 | Iowa Oaks | Amer | AAA | CHA | - | 26 | 7 | 7 | 3.85 | 40 | 14 | 3 | 1 | 26 | 0 | 6 | 131.0 | 134 | 65 | 56 | 10 | 53 | 72 | 4 | 2 | 5 | 1.43 | 9.21 | 0.69 | 3.64 | 4.95 | 4.47 | 1.36 |
| 1980 | Omaha Royals | Amer | AAA | KCA | - | 28 | 4 | 9 | 5.31 | 28 | 16 | 2 | 0 | 12 | 0 | 0 | 134.0 | 181 | 94 | 79 | 29 | 48 | 60 | 0 | 0 | 4 | 1.71 | 12.16 | 1.95 | 3.22 | 4.03 | 6.31 | 1.25 |
| Tot: | MLB (3 yrs) | MLB | 7 | 13 | 4.66 | 44 | 25 | 1 | 0 | 7 | 19 | 2 | 168.0 | 182 | 103 | 87 | 13 | 84 | 80 | 10 | 2 | 3 | 1.58 | 9.75 | 0.70 | 4.50 | 4.29 | 5.52 | 0.95 | ||||
| Tot: | AL (3 yrs) | AL | 7 | 13 | 4.66 | 44 | 25 | 1 | 0 | 7 | 19 | 2 | 168.0 | 182 | 103 | 87 | 13 | 84 | 80 | 10 | 2 | 3 | 1.58 | 9.75 | 0.70 | 4.50 | 4.29 | 5.52 | 0.95 | ||||
| Tot: | Minors (4 yrs) | Minors | 24 | 29 | 4.30 | 116 | 63 | 16 | 3 | 0 | 53 | 6 | 506.0 | 583 | 303 | 242 | 61 | 202 | 255 | 8 | 5 | 11 | 1.55 | 10.37 | 1.08 | 3.59 | 4.54 | 5.39 | 1.26 | ||||
| Tot: | AAA (4 yrs) | AAA | 24 | 29 | 4.30 | 116 | 63 | 16 | 3 | 0 | 53 | 6 | 506.0 | 583 | 303 | 242 | 61 | 202 | 255 | 8 | 5 | 11 | 1.55 | 10.37 | 1.08 | 3.59 | 4.54 | 5.39 | 1.26 | ||||
| Avg: | MLB - 162 Inning avg | MLB | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 162 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | ||||
| Avg: | Minors - 162 Inning avg | Minors | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 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 | - | 25 | P | 38 | 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: | Minors (1 yrs) | Minors | 38 | 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: | AAA (1 yrs) | AAA | 38 | 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 | |||||||||
| Avg: | Minors - 162 game avg | Minors | 162 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 |
| Strikeouts | Walks | Hittable | SO/BB | vs Power | Durability | Team Success |
| 32 | 46 | 34 | 35 | 34 | 61 | .503 |