| year | team | league | level | age | pos | g | gs | inn | po | a | e | dp | tc | tsc | sb | cs | sb% | fpct | rfg | rfi | rf9i | tm share | pl share | tm rank |
| 1976 | Milwaukee Brewers | AL | MLB | 20 | P | 5 | 2 | 16.0 | 2 | 5 | 1 | 1 | 8 | 7 | 3 | 0 | 1 | .875 | 1.4 | 0.44 | 3.96 | 3.1 | 100.0 | 13 |
| 1976 | Spokane Indians | PCL | AAA | 20 | P | 30 | 0 | 0.0 | 2 | 22 | 1 | 2 | 25 | 24 | 0 | 0 | .960 | 0.8 | 0.00 | 0.00 | 21.0 | 100.0 | 7 | |
| 1977 | Milwaukee Brewers | AL | MLB | 21 | P | 32 | 32 | 197.2 | 20 | 13 | 2 | 3 | 35 | 33 | 22 | 14 | 0.6111 | .943 | 1.0 | 0.17 | 1.53 | 19.8 | 100.0 | 5 |
| 1977 | Milwaukee Brewers | AL | MLB | 21 | DH | 1 | 0 | 0.0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .000 | 0.0 | 0.00 | 0.00 | 0.6 | 3.1 | 15 | |
| 1978 | Milwaukee Brewers | AL | MLB | 22 | P | 7 | 6 | 30.2 | 4 | 2 | 1 | 0 | 7 | 6 | 0 | 2 | 0 | .857 | 0.9 | 0.20 | 1.80 | 4.3 | 100.0 | 10 |
| 1979 | Milwaukee Brewers | AL | MLB | 23 | P | 29 | 28 | 184.2 | 14 | 21 | 1 | 3 | 36 | 35 | 19 | 14 | 0.5758 | .972 | 1.2 | 0.19 | 1.71 | 18.0 | 100.0 | 9 |
| 1980 | Milwaukee Brewers | AL | MLB | 24 | P | 33 | 33 | 252.1 | 19 | 31 | 3 | 6 | 53 | 50 | 17 | 11 | 0.6071 | .943 | 1.5 | 0.20 | 1.80 | 20.4 | 100.0 | 7 |
| 1981 | Milwaukee Brewers | AL | MLB | 25 | P | 24 | 22 | 137.1 | 16 | 15 | 1 | 1 | 32 | 31 | 15 | 5 | 0.75 | .969 | 1.3 | 0.23 | 2.07 | 22.0 | 100.0 | 5 |
| 1982 | Milwaukee Brewers | AL | MLB | 26 | P | 32 | 27 | 193.1 | 14 | 18 | 0 | 1 | 32 | 32 | 16 | 10 | 0.6154 | 1.000 | 1.0 | 0.17 | 1.53 | 19.8 | 100.0 | 6 |
| 1983 | Milwaukee Brewers | AL | MLB | 27 | P | 25 | 25 | 179.0 | 12 | 22 | 0 | 1 | 34 | 34 | 21 | 4 | 0.84 | 1.000 | 1.4 | 0.19 | 1.71 | 15.4 | 100.0 | 8 |
| 1983 | Milwaukee Brewers | AL | MLB | 27 | DH | 1 | 0 | 0.0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .000 | 0.0 | 0.00 | 0.00 | 0.6 | 4.0 | 14 | |
| 1984 | Milwaukee Brewers | AL | MLB | 28 | P | 31 | 30 | 189.1 | 19 | 36 | 0 | 2 | 55 | 55 | 9 | 11 | 0.45 | 1.000 | 1.8 | 0.29 | 2.61 | 19.3 | 100.0 | 8 |
| 1985 | Milwaukee Brewers | AL | MLB | 29 | P | 27 | 26 | 161.2 | 17 | 15 | 4 | 1 | 36 | 32 | 3 | 5 | 0.375 | .889 | 1.2 | 0.20 | 1.80 | 16.8 | 100.0 | 9 |
| 1986 | Oakland Athletics | AL | MLB | 30 | P | 12 | 12 | 72.1 | 4 | 8 | 0 | 2 | 12 | 12 | 5 | 2 | 0.7143 | 1.000 | 1.0 | 0.17 | 1.53 | 7.4 | 100.0 | 15 |
| 1987 | Oakland Athletics | AL | MLB | 31 | P | 9 | 9 | 40.2 | 2 | 5 | 0 | 0 | 7 | 7 | 2 | 3 | 0.4 | 1.000 | 0.8 | 0.17 | 1.53 | 5.6 | 100.0 | 14 |
| Tot: | MLB (12 yrs) | MLB | P | 266 | 252 | 1,651.5 | 143 | 191 | 13 | 21 | 347 | 334 | 132 | 81 | 0.6197 | .963 | 1.3 | 0.20 | 1.82 | |||||
| Tot: | MLB (2 yrs) | MLB | DH | 2 | 0 | 0.0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0.0 | |||||||||
| Tot: | AAA (1 yrs) | AAA | P | 30 | 0 | 0.0 | 2 | 22 | 1 | 2 | 25 | 24 | 0 | 0 | .960 | 0.8 |
| year | category | pos P | pos C | pos 1B | pos 2B | pos 3B | pos SS | pos LF | pos CF | pos RF | pos OF | pos DH |
| 1976 | Minor | 30 | - | - | - | - | - | - | - | - | - | - |
| 1976 | MLB | 5 | - | - | - | - | - | - | - | - | - | - |
| 1977 | MLB | 32 | - | - | - | - | - | - | - | - | - | 1 |
| 1978 | MLB | 7 | - | - | - | - | - | - | - | - | - | - |
| 1979 | MLB | 29 | - | - | - | - | - | - | - | - | - | - |
| 1980 | MLB | 33 | - | - | - | - | - | - | - | - | - | - |
| 1981 | MLB | 24 | - | - | - | - | - | - | - | - | - | - |
| 1982 | MLB | 32 | - | - | - | - | - | - | - | - | - | - |
| 1983 | MLB | 25 | - | - | - | - | - | - | - | - | - | 1 |
| 1984 | MLB | 31 | - | - | - | - | - | - | - | - | - | - |
| 1985 | MLB | 27 | - | - | - | - | - | - | - | - | - | - |
| 1986 | MLB | 12 | - | - | - | - | - | - | - | - | - | - |
| 1987 | MLB | 9 | - | - | - | - | - | - | - | - | - | - |