P · 6 seasons · 1976 – 1985 · B/T: R/R
| Season ↑ | Tm | G | Z | Szn | All-Time |
|---|---|---|---|---|---|
| 1976 | SD | 7 | -2.50 | #735 | #99,640 |
| 1977 | SD | 30 | -2.40 | #749 | #94,836 |
| 1978 | SD | 4 | -2.28 | #483 | #85,287 |
| 1981 | NYY | 5 | -2.26 | #504 | #83,102 |
| 1984 | PHI | 7 | -2.34 | #766 | #91,402 |
| 1985★ | CWS | 23 | -2.24 | #482 | #81,336 |
★ Best season by Z
| Season ↑ | Tm | G | Z | Szn | All-Time |
|---|---|---|---|---|---|
| 1976 | SD | 7 | -3.84 | #307 | #49,427 |
| 1977 | SD | 30 | -4.49 | #363 | #50,458 |
| 1978 | SD | 4 | -2.66 | #284 | #41,342 |
| 1981 | NYY | 5 | -2.86 | #295 | #43,702 |
| 1984 | PHI | 7 | -3.14 | #332 | #46,132 |
| 1985★ | CWS | 23 | -0.57 | #179 | #21,039 |
★ Best season by Z