P · 5 seasons · 1973 – 1977 · B/T: R/R
| Season ↑ | Tm | G | Z | Szn | All-Time |
|---|---|---|---|---|---|
| 1973 | NYY | 4 | -2.31 | #459 | #88,839 |
| 1974★ | NYY | 16 | -2.25 | #476 | #81,778 |
| 1975 | NYY | 13 | -2.32 | #470 | #89,491 |
| 1976 | BAL | 27 | -2.33 | #467 | #90,231 |
| 1977 | SEA | 25 | -2.33 | #487 | #90,441 |
★ Best season by Z
| Season ↑ | Tm | G | Z | Szn | All-Time |
|---|---|---|---|---|---|
| 1973 | NYY | 4 | -2.27 | #215 | #35,530 |
| 1974 | NYY | 16 | -2.74 | #279 | #42,359 |
| 1975★ | NYY | 13 | -2.11 | #218 | #33,202 |
| 1976 | BAL | 27 | -2.35 | #211 | #36,811 |
| 1977 | SEA | 25 | -3.41 | #334 | #47,848 |
★ Best season by Z