P · 9 seasons · 1973 – 1981 · B/T: R/R
| Season ↑ | Tm | G | Z | Szn | All-Time |
|---|---|---|---|---|---|
| 1973 | BAL | 4 | -2.31 | #459 | #88,839 |
| 1974★ | BAL | 20 | -2.25 | #476 | #81,778 |
| 1975 | BAL | 29 | -2.32 | #470 | #89,491 |
| 1976 | BAL | 38 | -2.33 | #467 | #90,231 |
| 1977 | CLE | 38 | -2.33 | #487 | #90,441 |
| 1978 | CLE | 6 | -2.28 | #483 | #85,289 |
| 1979 | CLE | 18 | -2.29 | #466 | #87,086 |
| 1980 | CLE | 25 | -2.29 | #501 | #86,677 |
| 1981 | CLE | 12 | -2.26 | #504 | #83,103 |
★ Best season by Z
| Season ↑ | Tm | G | Z | Szn | All-Time |
|---|---|---|---|---|---|
| 1973 | BAL | 4 | -2.35 | #224 | #36,838 |
| 1974 | BAL | 20 | 1.40 | #88 | #13,311 |
| 1975 | BAL | 29 | -0.02 | #134 | #18,539 |
| 1976★ | BAL | 38 | 6.19 | #28 | #3,922 |
| 1977 | CLE | 38 | 3.98 | #55 | #7,140 |
| 1978 | CLE | 6 | -4.03 | #362 | #49,817 |
| 1979 | CLE | 18 | -3.30 | #352 | #47,222 |
| 1980 | CLE | 25 | -1.79 | #224 | #29,123 |
| 1981 | CLE | 12 | -5.09 | #356 | #50,886 |
★ Best season by Z