P · 8 seasons · 1975 – 1986 · B/T: R/R
| Season ↑ | Tm | G | Z | Szn | All-Time |
|---|---|---|---|---|---|
| 1975 | DET | 14 | -2.32 | #470 | #89,490 |
| 1977 | DET | 38 | -2.33 | #487 | #90,439 |
| 1978 | DET | 2 | -2.28 | #483 | #85,287 |
| 1979 | DET | 6 | -2.29 | #466 | #87,086 |
| 1980 | MIN | 21 | -2.29 | #501 | #86,677 |
| 1981 | MIN | 23 | -2.26 | #504 | #83,102 |
| 1982★ | OAK | 17 | -2.23 | #491 | #80,396 |
| 1986 | OAK | 1 | -2.31 | #503 | #89,035 |
★ Best season by Z
| Season ↑ | Tm | G | Z | Szn | All-Time |
|---|---|---|---|---|---|
| 1975 | DET | 14 | -2.39 | #236 | #37,449 |
| 1977★ | DET | 38 | 0.09 | #144 | #18,025 |
| 1978 | DET | 2 | -2.83 | #299 | #43,443 |
| 1979 | DET | 6 | -2.95 | #324 | #44,619 |
| 1980 | MIN | 21 | -1.87 | #229 | #29,946 |
| 1981 | MIN | 23 | -0.75 | #170 | #21,956 |
| 1982 | OAK | 16 | -3.18 | #324 | #46,418 |
| 1986 | OAK | 1 | -2.49 | #305 | #38,842 |
★ Best season by Z