P · 6 seasons · 1963 – 1971 · B/T: R/R
| Season ↑ | Tm | G | Z | Szn | All-Time |
|---|---|---|---|---|---|
| 1963 | MIN | 11 | -2.33 | #461 | #90,800 |
| 1967 | DET | 17 | -2.33 | #558 | #90,679 |
| 1968 | DET | 34 | -2.38 | #518 | #93,925 |
| 1969★ | DET | 32 | -2.24 | #617 | #81,335 |
| 1970 | CLE | 55 | -2.48 | #714 | #98,722 |
| 1971 | CAL | 2 | -2.30 | #518 | #87,677 |
★ Best season by Z
| Season ↑ | Tm | G | Z | Szn | All-Time |
|---|---|---|---|---|---|
| 1963 | MIN | 11 | -2.86 | #251 | #43,779 |
| 1967★ | DET | 17 | 0.33 | #116 | #17,042 |
| 1968 | DET | 34 | -0.14 | #119 | #19,031 |
| 1969 | DET | 32 | -1.31 | #177 | #25,273 |
| 1970 | CLE | 55 | -0.91 | #171 | #22,855 |
| 1971 | CAL | 2 | -2.94 | #294 | #44,539 |
★ Best season by Z