P · 7 seasons · 1969 – 1975 · B/T: R/R
| Season ↑ | Tm | G | Z | Szn | All-Time |
|---|---|---|---|---|---|
| 1969 | CAL | 4 | -2.12 | #456 | #66,600 |
| 1970 | CAL | 8 | -2.34 | #637 | #91,521 |
| 1971★ | CAL | 54 | -1.95 | #381 | #49,852 |
| 1972 | CAL | 42 | -2.47 | #707 | #98,282 |
| 1973 | TEX | 28 | -2.31 | #459 | #88,838 |
| 1974 | TEX | 20 | -2.25 | #476 | #81,775 |
| 1975 | CWS | 3 | -2.32 | #470 | #89,490 |
★ Best season by Z
| Season ↑ | Tm | G | Z | Szn | All-Time |
|---|---|---|---|---|---|
| 1969 | CAL | 4 | -2.56 | #270 | #39,893 |
| 1970 | CAL | 8 | -1.85 | #208 | #29,720 |
| 1971★ | CAL | 54 | 3.95 | #52 | #7,189 |
| 1972 | CAL | 42 | -1.28 | #170 | #25,099 |
| 1973 | TEX | 28 | -6.33 | #329 | #51,132 |
| 1974 | TEX | 20 | -4.14 | #339 | #49,975 |
| 1975 | CWS | 3 | -3.22 | #308 | #46,768 |
★ Best season by Z