P · 6 seasons · 1969 – 1975 · B/T: R/R
| Season ↑ | Tm | G | Z | Szn | All-Time |
|---|---|---|---|---|---|
| 1969★ | MON | 1 | -2.17 | #497 | #74,430 |
| 1971 | STL | 7 | -2.35 | #598 | #92,088 |
| 1972 | BAL | 3 | -2.28 | #567 | #86,068 |
| 1973 | BAL | 42 | -2.31 | #459 | #88,838 |
| 1974 | BAL | 54 | -2.25 | #476 | #81,775 |
| 1975 | DET | 33 | -2.32 | #470 | #89,490 |
★ Best season by Z
| Season ↑ | Tm | G | Z | Szn | All-Time |
|---|---|---|---|---|---|
| 1969 | MON | 1 | -2.76 | #300 | #42,627 |
| 1971 | STL | 7 | -3.24 | #313 | #46,883 |
| 1972 | BAL | 3 | -2.34 | #239 | #36,566 |
| 1973★ | BAL | 42 | 4.83 | #42 | #5,706 |
| 1974 | BAL | 54 | 2.31 | #72 | #10,706 |
| 1975 | DET | 33 | -1.97 | #211 | #31,183 |
★ Best season by Z