P · 5 seasons · 1971 – 1978 · B/T: B/R
| Season ↑ | Tm | G | Z | Szn | All-Time |
|---|---|---|---|---|---|
| 1971 | CWS | 5 | -2.35 | #598 | #92,088 |
| 1974★ | CWS | 2 | -2.25 | #476 | #81,775 |
| 1975 | TEX | 12 | -2.32 | #470 | #89,490 |
| 1976 | TEX | 5 | -2.33 | #467 | #90,229 |
| 1978 | MIN | 13 | -2.28 | #483 | #85,287 |
★ Best season by Z
| Season ↑ | Tm | G | Z | Szn | All-Time |
|---|---|---|---|---|---|
| 1971 | CWS | 5 | -3.05 | #301 | #45,480 |
| 1974 | CWS | 2 | -3.02 | #305 | #45,224 |
| 1975★ | TEX | 12 | -0.83 | #162 | #22,377 |
| 1976 | TEX | 5 | -3.74 | #304 | #49,164 |
| 1978 | MIN | 13 | -2.65 | #282 | #41,171 |
★ Best season by Z