| 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 | Oklahoma City 89ers | Amer | AAA | 21 | P | 25 | 0 | 0.0 | 2 | 21 | 4 | 1 | 27 | 23 | 0 | 0 | .852 | 0.9 | 0.00 | 0.00 | 18.5 | 100.0 | 6 | |
| 1977 | Chicago Cubs | NL | MLB | 22 | P | 67 | 1 | 110.0 | 8 | 27 | 0 | 2 | 35 | 35 | 10 | 5 | 0.6667 | 1.000 | 0.5 | 0.32 | 2.88 | 41.4 | 100.0 | 2 |
| 1978 | Chicago Cubs | NL | MLB | 23 | P | 54 | 0 | 59.2 | 2 | 12 | 0 | 0 | 14 | 14 | 7 | 4 | 0.6364 | 1.000 | 0.3 | 0.24 | 2.16 | 33.3 | 98.2 | 3 |
| 1979 | Chicago Cubs | NL | MLB | 24 | P | 51 | 2 | 79.0 | 4 | 11 | 1 | 0 | 16 | 15 | 5 | 3 | 0.625 | .938 | 0.3 | 0.19 | 1.71 | 31.5 | 98.1 | 3 |
| 1980 | Chicago Cubs | NL | MLB | 25 | P | 53 | 7 | 108.1 | 12 | 20 | 0 | 2 | 32 | 32 | 7 | 9 | 0.4375 | 1.000 | 0.6 | 0.30 | 2.70 | 32.7 | 100.0 | 4 |
| 1981 | Chicago Cubs | NL | MLB | 26 | P | 12 | 0 | 13.2 | 0 | 3 | 0 | 0 | 3 | 3 | 1 | 1 | 0.5 | 1.000 | 0.3 | 0.23 | 2.07 | 11.7 | 100.0 | 12 |
| 1981 | Iowa Oaks | Amer | AAA | 26 | P | 18 | 0 | 0.0 | 3 | 17 | 0 | 1 | 20 | 20 | 0 | 0 | 1.000 | 1.1 | 0.00 | 0.00 | 13.3 | 100.0 | 10 | |
| 1982 | Chicago Cubs | NL | MLB | 27 | P | 75 | 0 | 75.0 | 5 | 22 | 1 | 1 | 28 | 27 | 4 | 5 | 0.4444 | .964 | 0.4 | 0.36 | 3.24 | 46.3 | 100.0 | 1 |
| 1983 | Philadelphia Phillies | NL | MLB | 28 | P | 63 | 0 | 95.2 | 1 | 13 | 0 | 2 | 14 | 14 | 3 | 5 | 0.375 | 1.000 | 0.2 | 0.15 | 1.35 | 38.9 | 100.0 | 2 |
| 1983 | Chicago Cubs | NL | MLB | 28 | P | 11 | 1 | 19.2 | 1 | 4 | 0 | 1 | 5 | 5 | 1 | 0 | 1 | 1.000 | 0.5 | 0.26 | 2.34 | 6.8 | 100.0 | 11 |
| 1984 | Detroit Tigers | AL | MLB | 29 | P | 80 | 0 | 140.1 | 5 | 14 | 0 | 1 | 19 | 19 | 4 | 2 | 0.6667 | 1.000 | 0.2 | 0.14 | 1.26 | 49.4 | 100.0 | 1 |
| 1985 | Detroit Tigers | AL | MLB | 30 | P | 74 | 0 | 106.2 | 7 | 7 | 1 | 0 | 15 | 14 | 5 | 2 | 0.7143 | .933 | 0.2 | 0.13 | 1.17 | 46.0 | 100.0 | 1 |
| 1986 | Detroit Tigers | AL | MLB | 31 | P | 64 | 0 | 88.2 | 6 | 13 | 0 | 0 | 19 | 19 | 7 | 3 | 0.7 | 1.000 | 0.3 | 0.22 | 1.98 | 39.5 | 100.0 | 1 |
| 1987 | Detroit Tigers | AL | MLB | 32 | P | 45 | 0 | 49.0 | 2 | 4 | 1 | 1 | 7 | 6 | 2 | 1 | 0.6667 | .857 | 0.1 | 0.12 | 1.08 | 27.8 | 100.0 | 4 |
| 1988 | Detroit Tigers | AL | MLB | 33 | P | 63 | 0 | 67.2 | 3 | 15 | 0 | 1 | 18 | 18 | 2 | 0 | 1 | 1.000 | 0.3 | 0.27 | 2.43 | 38.9 | 100.0 | 2 |
| 1989 | Detroit Tigers | AL | MLB | 34 | P | 32 | 0 | 31.1 | 2 | 4 | 0 | 1 | 6 | 6 | 1 | 3 | 0.25 | 1.000 | 0.2 | 0.19 | 1.71 | 19.8 | 100.0 | 6 |
| 1991 | Syracuse Chiefs | IL | AAA | 36 | P | 8 | 0 | 0.0 | 0 | 3 | 0 | 1 | 3 | 3 | 0 | 0 | 1.000 | 0.4 | 0.00 | 0.00 | 5.6 | 100.0 | 15 | |
| 1995 | Columbus Clippers | IL | AAA | 40 | P | 22 | 0 | 0.0 | 2 | 4 | 0 | 1 | 6 | 6 | 0 | 0 | 1.000 | 0.3 | 0.00 | 0.00 | 15.8 | 100.0 | 9 | |
| Tot: | MLB (13 yrs) | MLB | P | 744 | 11 | 1,040.7 | 58 | 169 | 4 | 12 | 231 | 227 | 59 | 43 | 0.5784 | .983 | 0.3 | 0.22 | 1.96 | |||||
| Tot: | AAA (4 yrs) | AAA | P | 73 | 0 | 0.0 | 7 | 45 | 4 | 4 | 56 | 52 | 0 | 0 | .929 | 0.7 |
| 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 | 25 | - | - | - | - | - | - | - | - | - | - |
| 1977 | MLB | 67 | - | - | - | - | - | - | - | - | - | - |
| 1978 | MLB | 54 | - | - | - | - | - | - | - | - | - | - |
| 1979 | MLB | 51 | - | - | - | - | - | - | - | - | - | - |
| 1980 | MLB | 53 | - | - | - | - | - | - | - | - | - | - |
| 1981 | Minor | 18 | - | - | - | - | - | - | - | - | - | - |
| 1981 | MLB | 12 | - | - | - | - | - | - | - | - | - | - |
| 1982 | MLB | 75 | - | - | - | - | - | - | - | - | - | - |
| 1983 | MLB | 74 | - | - | - | - | - | - | - | - | - | - |
| 1984 | MLB | 80 | - | - | - | - | - | - | - | - | - | - |
| 1985 | MLB | 74 | - | - | - | - | - | - | - | - | - | - |
| 1986 | MLB | 64 | - | - | - | - | - | - | - | - | - | - |
| 1987 | MLB | 45 | - | - | - | - | - | - | - | - | - | - |
| 1988 | MLB | 63 | - | - | - | - | - | - | - | - | - | - |
| 1989 | MLB | 32 | - | - | - | - | - | - | - | - | - | - |
| 1991 | Minor | 8 | - | - | - | - | - | - | - | - | - | - |
| 1995 | Minor | 22 | - | - | - | - | - | - | - | - | - | - |