P · 5 seasons · 1970 – 1977 · B/T: L/L
| Season ↑ | Tm | G | Z | Szn | All-Time |
|---|---|---|---|---|---|
| 1970★ | PHI | 2 | -2.24 | #491 | #80,889 |
| 1971 | SD | 18 | -2.30 | #518 | #87,677 |
| 1974 | SD | 30 | -2.28 | #680 | #86,010 |
| 1976 | DET | 26 | -2.33 | #467 | #90,229 |
| 1977 | SEA | 45 | -2.33 | #487 | #90,439 |
★ Best season by Z
| Season ↑ | Tm | G | Z | Szn | All-Time |
|---|---|---|---|---|---|
| 1970 | PHI | 2 | -2.71 | #279 | #41,970 |
| 1971 | SD | 18 | -3.94 | #335 | #49,640 |
| 1974 | SD | 30 | -2.55 | #257 | #39,756 |
| 1976 | DET | 26 | -1.47 | #172 | #26,407 |
| 1977★ | SEA | 45 | -1.31 | #191 | #25,266 |
★ Best season by Z