P · 10 seasons · 1977 – 1986 · B/T: R/R
| Season ↑ | Tm | G | Z | Szn | All-Time |
|---|---|---|---|---|---|
| 1977 | DET | 28 | -2.33 | #487 | #90,439 |
| 1978 | DET | 28 | -2.28 | #483 | #85,287 |
| 1979 | DET | 16 | -2.29 | #466 | #87,086 |
| 1980 | DET | 42 | -2.29 | #501 | #86,677 |
| 1981 | DET | 28 | -2.26 | #504 | #83,102 |
| 1982★ | DET | 8 | -2.23 | #491 | #80,396 |
| 1983 | DET | 29 | -2.26 | #494 | #83,790 |
| 1984 | DET | 29 | -2.28 | #520 | #85,716 |
| 1985 | TEX | 34 | -2.24 | #482 | #81,336 |
| 1986 | TEX | 6 | -2.31 | #503 | #89,035 |
★ Best season by Z
| Season ↑ | Tm | G | Z | Szn | All-Time |
|---|---|---|---|---|---|
| 1977★ | DET | 28 | 5.76 | #32 | #4,408 |
| 1978 | DET | 28 | 2.94 | #70 | #9,181 |
| 1979 | DET | 16 | -0.48 | #169 | #20,599 |
| 1980 | DET | 42 | -0.07 | #153 | #18,724 |
| 1981 | DET | 28 | 1.79 | #91 | #12,175 |
| 1982 | DET | 8 | -0.34 | #164 | #19,966 |
| 1983 | DET | 29 | 1.75 | #97 | #12,291 |
| 1984 | DET | 29 | 0.23 | #151 | #17,439 |
| 1985 | TEX | 34 | -0.30 | #169 | #19,795 |
| 1986 | TEX | 6 | -3.01 | #363 | #45,145 |
★ Best season by Z