P · 6 seasons · 1982 – 1990 · B/T: R/R
| Season ↑ | Tm | G | Z | Szn | All-Time |
|---|---|---|---|---|---|
| 1982 | HOU | 4 | -2.23 | #491 | #80,396 |
| 1984 | HOU | 2 | -2.28 | #520 | #85,716 |
| 1985 | HOU | 8 | -2.24 | #481 | #81,077 |
| 1987 | PIT | 1 | -2.28 | #490 | #85,050 |
| 1988★ | TOR | 3 | -2.22 | #479 | #78,807 |
| 1990 | PIT | 9 | -2.22 | #805 | #79,419 |
★ Best season by Z
| Season ↑ | Tm | G | Z | Szn | All-Time |
|---|---|---|---|---|---|
| 1982 | HOU | 4 | -2.23 | #249 | #34,905 |
| 1984 | HOU | 2 | -2.19 | #256 | #34,414 |
| 1985 | HOU | 8 | -2.20 | #265 | #34,554 |
| 1987 | PIT | 1 | -2.55 | #304 | #39,809 |
| 1988 | TOR | 3 | -2.30 | #296 | #35,995 |
| 1990★ | PIT | 9 | -1.79 | #283 | #29,083 |
★ Best season by Z