P · 6 seasons · 1981 – 1992 · B/T: B/R
| Season ↑ | Tm | G | Z | Szn | All-Time |
|---|---|---|---|---|---|
| 1981 | SD | 5 | -2.39 | #785 | #94,217 |
| 1983 | SD | 3 | -2.26 | #494 | #83,792 |
| 1984 | PHI | 6 | -2.28 | #520 | #85,717 |
| 1985 | CWS | 4 | -2.24 | #482 | #81,339 |
| 1986 | SEA | 10 | -2.31 | #503 | #89,036 |
| 1992★ | TEX | 3 | -2.19 | #525 | #76,349 |
★ Best season by Z
| Season ↑ | Tm | G | Z | Szn | All-Time |
|---|---|---|---|---|---|
| 1981 | SD | 5 | -2.18 | #245 | #34,219 |
| 1983 | SD | 3 | -2.49 | #276 | #38,839 |
| 1984 | PHI | 6 | -2.23 | #259 | #34,976 |
| 1985 | CWS | 4 | -2.99 | #344 | #44,971 |
| 1986★ | SEA | 10 | -2.15 | #254 | #33,723 |
| 1992 | TEX | 3 | -2.54 | #327 | #39,675 |
★ Best season by Z