| Date | Team | Opp | Result | Dec | GS | IP | AB | BF | H | R | ER | HR | BB | IBB | SO | HBP | SH | SF | WP | BK | ERA | WHIP | K/9 | BB/9 | FIP | ERA+ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1975 | ||||||||||||||||||||||||||
| Season Total 1-6 | 6 | 55.0 | 53 | 27 | 19 | 0 | 20 | 34 | 3.11 | 1.33 | 5.56 | 3.27 | — | 93 |
| Year | Level | Team | Org | G | GS | IP | H | R | ER | BB | SO | HR | W | L | SV | ERA | WHIP | K/9 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1979 | MLB | Chicago | Chicago | 11 | 0 | 14.1 | 11 | 12 | 10 | 9 | 5 | 1 | 0 | 1 | 0 | 6.28 | 1.40 | 3.14 |
| 1980 | MLB | Chicago | Chicago | 15 | 0 | 35.0 | 26 | 13 | 12 | 16 | 28 | 2 | 1 | 1 | 0 | 3.09 | 1.20 | 7.20 |
| 1981 | MLB | Chicago | Chicago | 4 | 0 | 4.0 | 5 | 2 | 2 | 3 | 2 | 1 | 1 | 0 | 0 | 4.50 | 2.00 | 4.50 |
| 1979–1981 | MLB | Career (3 yrs) | 30 | 0 | 53.1 | 42 | 27 | 24 | 28 | 35 | 4 | 2 | 2 | 0 | 4.05 | 1.31 | 5.91 |