P · 6 seasons · 1981 – 1991 · B/T: L/L
| Season ↑ | Tm | G | Z | Szn | All-Time |
|---|---|---|---|---|---|
| 1981 | CWS | 41 | -2.26 | #504 | #83,103 |
| 1982 | CWS | 60 | -2.23 | #491 | #80,397 |
| 1983 | CWS | 23 | -2.26 | #494 | #83,792 |
| 1989 | BAL | 51 | -2.25 | #520 | #82,566 |
| 1990 | BAL | 37 | -2.19 | #504 | #75,986 |
| 1991★ | BAL | 19 | -2.14 | #497 | #70,857 |
★ Best season by Z
| Season ↑ | Tm | G | Z | Szn | All-Time |
|---|---|---|---|---|---|
| 1981 | CWS | 41 | -1.21 | #193 | #24,665 |
| 1982★ | CWS | 60 | 0.69 | #128 | #15,676 |
| 1983 | CWS | 23 | -2.05 | #246 | #32,291 |
| 1989 | BAL | 51 | -0.46 | #176 | #20,521 |
| 1990 | BAL | 37 | -2.14 | #315 | #33,553 |
| 1991 | BAL | 19 | -2.79 | #395 | #43,002 |
★ Best season by Z