P · 8 seasons · 1973 – 1980 · B/T: R/R
| Season ↑ | Tm | G | Z | Szn | All-Time |
|---|---|---|---|---|---|
| 1973 | DET | 1 | -2.31 | #459 | #88,838 |
| 1974★ | DET | 22 | -2.25 | #476 | #81,775 |
| 1975 | DET | 26 | -2.32 | #470 | #89,490 |
| 1976 | DET | 20 | -2.33 | #467 | #90,229 |
| 1977 | TOR | 34 | -2.33 | #487 | #90,439 |
| 1978 | TOR | 29 | -2.28 | #483 | #85,287 |
| 1979 | TOR | 22 | -2.29 | #466 | #87,086 |
| 1980 | CAL | 31 | -2.29 | #501 | #86,677 |
★ Best season by Z
| Season ↑ | Tm | G | Z | Szn | All-Time |
|---|---|---|---|---|---|
| 1973 | DET | 1 | -2.72 | #267 | #42,146 |
| 1974 | DET | 22 | -2.23 | #231 | #34,944 |
| 1975 | DET | 26 | -2.48 | #244 | #38,730 |
| 1976 | DET | 20 | -2.90 | #252 | #44,130 |
| 1977 | TOR | 34 | 0.36 | #131 | #16,917 |
| 1978 | TOR | 29 | -6.39 | #369 | #51,137 |
| 1979★ | TOR | 22 | 1.48 | #111 | #13,078 |
| 1980 | CAL | 31 | -3.79 | #356 | #49,297 |
★ Best season by Z