P · 6 seasons · 1970 – 1976 · B/T: L/L
| Season ↑ | Tm | G | Z | Szn | All-Time |
|---|---|---|---|---|---|
| 1970★ | PHI | 4 | -2.24 | #491 | #80,889 |
| 1971 | PHI | 36 | -2.32 | #555 | #89,874 |
| 1972 | PHI | 48 | -2.30 | #589 | #87,618 |
| 1973 | ML4 | 2 | -2.31 | #459 | #88,838 |
| 1975 | STL | 10 | -2.38 | #687 | #93,697 |
| 1976 | SD | 19 | -2.47 | #718 | #98,566 |
★ Best season by Z
| Season ↑ | Tm | G | Z | Szn | All-Time |
|---|---|---|---|---|---|
| 1970 | PHI | 4 | -2.56 | #266 | #39,959 |
| 1971 | PHI | 35 | -3.35 | #318 | #47,533 |
| 1972 | PHI | 33 | -2.77 | #281 | #42,720 |
| 1973 | ML4 | 2 | -2.93 | #285 | #44,469 |
| 1975★ | STL | 10 | -2.07 | #217 | #32,622 |
| 1976 | SD | 19 | -4.21 | #314 | #50,082 |
★ Best season by Z