| 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 | Milwaukee Brewers | AL | MLB | MIL | 23 | 21 | 9 | 7 | 3.30 | 30 | 6 | 2 | 0 | 24 | 6 | 5 | 76.1 | 71 | 33 | 28 | 6 | 47 | 49 | 5 | 1 | 2 | 1.55 | 8.37 | 0.71 | 5.54 | 5.78 | 3.89 | 1.04 |
| 1974 | Milwaukee Brewers | AL | MLB | MIL | 23 | 22 | 7 | 4 | 3.63 | 43 | 6 | 0 | 0 | 37 | 22 | 4 | 111.2 | 97 | 49 | 45 | 7 | 51 | 58 | 4 | 0 | 5 | 1.33 | 7.82 | 0.56 | 4.11 | 4.67 | 3.95 | 1.14 |
| 1975 | Milwaukee Brewers | AL | MLB | MIL | 23 | 23 | 7 | 0 | 3.49 | 43 | 1 | 0 | 0 | 42 | 24 | 7 | 87.2 | 77 | 37 | 34 | 9 | 44 | 65 | 5 | 0 | 5 | 1.38 | 7.90 | 0.92 | 4.52 | 6.67 | 3.80 | 1.48 |
| 1976 | Milwaukee Brewers | AL | MLB | MIL | 23 | 24 | 5 | 13 | 3.64 | 45 | 12 | 3 | 0 | 33 | 26 | 8 | 136.0 | 124 | 68 | 55 | 10 | 65 | 77 | 3 | 1 | 3 | 1.39 | 8.21 | 0.66 | 4.30 | 5.10 | 4.50 | 1.18 |
| 1977 | Milwaukee Brewers | AL | MLB | MIL | 23 | 25 | 5 | 6 | 4.35 | 42 | 5 | 1 | 1 | 37 | 22 | 4 | 142.2 | 126 | 70 | 69 | 15 | 56 | 104 | 1 | 0 | 3 | 1.28 | 7.95 | 0.95 | 3.53 | 6.56 | 4.42 | 1.86 |
| 1978 | Milwaukee Brewers | AL | MLB | MIL | 23 | 26 | 5 | 5 | 3.93 | 32 | 8 | 0 | 0 | 24 | 13 | 2 | 105.1 | 107 | 49 | 46 | 9 | 26 | 51 | 2 | 0 | 2 | 1.26 | 9.14 | 0.77 | 2.22 | 4.36 | 4.19 | 1.96 |
| 1979 | Kansas City Royals | AL | MLB | KCA | 21 | 27 | 4 | 1 | 4.84 | 29 | 1 | 1 | 0 | 28 | 13 | 2 | 74.1 | 79 | 42 | 40 | 9 | 34 | 26 | 4 | 0 | 3 | 1.52 | 9.57 | 1.09 | 4.12 | 3.15 | 5.09 | 0.76 |
| Tot: | MLB (7 yrs) | MLB | 42 | 36 | 3.89 | 264 | 39 | 7 | 1 | 126 | 225 | 32 | 734.0 | 681 | 348 | 317 | 65 | 323 | 430 | 24 | 2 | 23 | 1.37 | 8.35 | 0.80 | 3.96 | 5.27 | 4.27 | 1.33 | ||||
| Tot: | AL (7 yrs) | AL | 42 | 36 | 3.89 | 264 | 39 | 7 | 1 | 126 | 225 | 32 | 734.0 | 681 | 348 | 317 | 65 | 323 | 430 | 24 | 2 | 23 | 1.37 | 8.35 | 0.80 | 3.96 | 5.27 | 4.27 | 1.33 | ||||
| Avg: | MLB - 162 Inning avg | MLB | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 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 |
| 1973 | Milwaukee Brewers | AL | MLB | MIL | 23 | 21 | P | 30 | 1 | 1 | 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: | MLB (1 yrs) | MLB | 30 | 1 | 1 | 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: | AL (1 yrs) | AL | 30 | 1 | 1 | 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: | MLB - 162 game avg | MLB | 162 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 | 🔒 |
| Strikeouts | Walks | Hittable | SO/BB | vs Power | Durability | Team Success |
| 58 | 36 | 65 | 44 | 65 | 74 | .467 |