F · 10 seasons · 1970-71 – 1981-82
| Season ↑ | Tm | GP | Z | Szn | All-Time |
|---|---|---|---|---|---|
| 1970-71 | CLE | 67 | 1.80 | #55 | #7,171 |
| 1971-72 | CLE | 82 | 3.27 | #35 | #5,018 |
| 1972-73 | CLE | 82 | 0.78 | #69 | #8,941 |
| 1973-74 | POR | 69 | 3.63 | #49 | #4,596 |
| 1974-75★ | POR | 80 | 4.96 | #34 | #3,180 |
| 1976-77 | HOU | 79 | -0.80 | #131 | #11,922 |
| 1978-79 | SEA | 82 | -1.26 | #144 | #12,859 |
| 1979-80 | SEA | 81 | 1.68 | #83 | #7,357 |
| 1980-81 | SEA | 80 | -1.31 | #154 | #12,965 |
| 1981-82 | SEA | 14 | -4.06 | #245 | #20,681 |
★ Best season by Z (season totals)