P · 10 seasons · 1975 – 1985 · B/T: R/L
| Season ↑ | Tm | G | Z | Szn | All-Time |
|---|---|---|---|---|---|
| 1975 | DET | 3 | -2.32 | #470 | #89,490 |
| 1976 | DET | 5 | -2.33 | #467 | #90,229 |
| 1977 | DET | 8 | -2.33 | #487 | #90,439 |
| 1978 | DET | 10 | -2.28 | #483 | #85,287 |
| 1979 | NYM | 46 | -2.43 | #761 | #96,370 |
| 1980 | NYM | 38 | -2.48 | #822 | #98,955 |
| 1981 | CLE | 4 | -2.26 | #504 | #83,102 |
| 1982★ | CLE | 47 | -2.23 | #491 | #80,396 |
| 1983 | CLE | 11 | -2.26 | #494 | #83,790 |
| 1985 | MON | 3 | -2.24 | #482 | #81,336 |
★ Best season by Z
| Season ↑ | Tm | G | Z | Szn | All-Time |
|---|---|---|---|---|---|
| 1975 | DET | 3 | -2.44 | #240 | #38,131 |
| 1976 | DET | 5 | -3.29 | #284 | #47,180 |
| 1977 | DET | 8 | -2.80 | #288 | #43,160 |
| 1978 | DET | 10 | -2.07 | #217 | #32,507 |
| 1979 | NYM | 46 | -0.47 | #168 | #20,582 |
| 1980 | NYM | 38 | -1.40 | #210 | #25,931 |
| 1981 | CLE | 4 | -2.22 | #247 | #34,782 |
| 1982★ | CLE | 47 | -0.37 | #166 | #20,124 |
| 1983 | CLE | 11 | -3.26 | #344 | #46,974 |
| 1985 | MON | 3 | -3.05 | #346 | #45,494 |
★ Best season by Z