DH · 9 seasons · 1973 – 1981 · B/T: B/R
| Season ↑ | Tm | G | Z | Szn | All-Time |
|---|---|---|---|---|---|
| 1973 | CHC | 12 | -1.88 | #354 | #48,022 |
| 1974 | CHC | 45 | -1.06 | #297 | #37,474 |
| 1975 | OAK | 63 | 0.30 | #240 | #28,910 |
| 1976 | OAK | 61 | -0.29 | #257 | #32,112 |
| 1977★ | OAK | 90 | 1.60 | #198 | #23,489 |
| 1978 | PIT | 7 | -1.72 | #371 | #45,058 |
| 1979 | PIT | 44 | 0.26 | #250 | #29,091 |
| 1980 | PIT | 37 | -0.80 | #310 | #35,429 |
| 1981 | PIT | 15 | -1.26 | #339 | #39,338 |
★ Best season by Z