P · 9 seasons · 1973 – 1981 · B/T: R/R
| Season ↑ | Tm | G | Z | Szn | All-Time |
|---|---|---|---|---|---|
| 1973 | BAL | 18 | -2.31 | #459 | #88,838 |
| 1974★ | BAL | 20 | -2.25 | #476 | #81,775 |
| 1975 | CWS | 26 | -2.32 | #470 | #89,490 |
| 1976 | CWS | 19 | -2.33 | #467 | #90,229 |
| 1977 | TOR | 33 | -2.33 | #487 | #90,439 |
| 1978 | TOR | 31 | -2.28 | #483 | #85,287 |
| 1979 | TOR | 34 | -2.29 | #466 | #87,086 |
| 1980 | TOR | 30 | -2.32 | #723 | #89,823 |
| 1981 | CAL | 26 | -2.26 | #504 | #83,102 |
★ Best season by Z
| Season ↑ | Tm | G | Z | Szn | All-Time |
|---|---|---|---|---|---|
| 1973 | BAL | 18 | -1.58 | #178 | #27,201 |
| 1974 | BAL | 20 | -2.85 | #293 | #43,592 |
| 1975 | CWS | 26 | -3.87 | #331 | #49,498 |
| 1976 | CWS | 19 | -7.14 | #325 | #51,167 |
| 1977★ | TOR | 33 | 0.21 | #134 | #17,500 |
| 1978 | TOR | 31 | -1.52 | #195 | #26,740 |
| 1979 | TOR | 34 | -4.59 | #380 | #50,555 |
| 1980 | TOR | 30 | -2.88 | #302 | #43,921 |
| 1981 | CAL | 26 | -1.48 | #208 | #26,468 |
★ Best season by Z