P · 9 seasons · 1986 – 1998 · B/T: L/L
| Season ↑ | Tm | G | Z | Szn | All-Time |
|---|---|---|---|---|---|
| 1986 | CLE | 62 | -2.31 | #503 | #89,035 |
| 1987 | CLE | 39 | -2.28 | #490 | #85,050 |
| 1988 | CLE | 37 | -2.22 | #479 | #78,807 |
| 1989 | CLE | 34 | -2.25 | #520 | #82,565 |
| 1990 | CAL | 27 | -2.19 | #504 | #75,986 |
| 1991 | CAL | 42 | -2.14 | #497 | #70,859 |
| 1992 | CAL | 32 | -2.19 | #525 | #76,350 |
| 1997 | TEX | 24 | -2.16 | #573 | #73,573 |
| 1998★ | TEX | 46 | -2.13 | #590 | #69,589 |
★ Best season by Z
| Season ↑ | Tm | G | Z | Szn | All-Time |
|---|---|---|---|---|---|
| 1986★ | CLE | 62 | -0.02 | #167 | #18,531 |
| 1987 | CLE | 39 | -0.58 | #189 | #21,091 |
| 1988 | CLE | 37 | -1.67 | #232 | #27,979 |
| 1989 | CLE | 34 | -0.78 | #190 | #22,121 |
| 1990 | CAL | 27 | -3.60 | #459 | #48,722 |
| 1991 | CAL | 42 | -1.07 | #222 | #23,797 |
| 1992 | CAL | 32 | -4.68 | #435 | #50,647 |
| 1997 | TEX | 24 | -1.36 | #268 | #25,660 |
| 1998 | TEX | 46 | -3.06 | #508 | #45,514 |
★ Best season by Z