P · 9 seasons · 1963 – 1971 · B/T: R/L
| Season ↑ | Tm | G | Z | Szn | All-Time |
|---|---|---|---|---|---|
| 1963 | HOU | 1 | -2.31 | #413 | #88,159 |
| 1964 | HOU | 7 | -2.31 | #519 | #88,680 |
| 1965 | HOU | 26 | -2.33 | #540 | #91,012 |
| 1966 | HOU | 2 | -2.21 | #449 | #78,703 |
| 1967 | HOU | 6 | -2.26 | #509 | #84,113 |
| 1968★ | HOU | 40 | -1.95 | #309 | #49,841 |
| 1969 | HOU | 8 | -2.23 | #588 | #79,774 |
| 1970 | SD | 35 | -2.96 | #828 | #108,181 |
| 1971 | SD | 19 | -2.23 | #468 | #80,250 |
★ Best season by Z
| Season ↑ | Tm | G | Z | Szn | All-Time |
|---|---|---|---|---|---|
| 1963 | HOU | 1 | -2.66 | #232 | #41,417 |
| 1964 | HOU | 7 | -2.68 | #242 | #41,664 |
| 1965 | HOU | 26 | -3.31 | #276 | #47,264 |
| 1966 | HOU | 2 | -2.48 | #223 | #38,782 |
| 1967 | HOU | 6 | -1.55 | #165 | #26,959 |
| 1968 | HOU | 40 | -1.70 | #163 | #28,249 |
| 1969 | HOU | 8 | -2.73 | #295 | #42,297 |
| 1970★ | SD | 35 | 2.02 | #85 | #11,500 |
| 1971 | SD | 19 | -4.58 | #342 | #50,544 |
★ Best season by Z