P · 4 seasons · 1975 – 1978 · B/T: L/L
| Season ↑ | Tm | G | Z | Szn | All-Time |
|---|---|---|---|---|---|
| 1975 | TEX | 56 | -2.32 | #470 | #89,490 |
| 1976 | TEX | 30 | -2.33 | #467 | #90,229 |
| 1977 | OAK | 15 | -2.33 | #487 | #90,439 |
| 1978★ | TEX | 32 | -2.28 | #483 | #85,287 |
★ Best season by Z
| Season ↑ | Tm | G | Z | Szn | All-Time |
|---|---|---|---|---|---|
| 1975 | TEX | 56 | -0.89 | #164 | #22,735 |
| 1976★ | TEX | 30 | 1.82 | #94 | #12,098 |
| 1977 | OAK | 15 | -4.27 | #358 | #50,166 |
| 1978 | TEX | 32 | -2.37 | #245 | #37,156 |
★ Best season by Z