P · 10 seasons · 1986 – 2002 · B/T: L/L
| Season ↑ | Tm | G | Z | Szn | All-Time |
|---|---|---|---|---|---|
| 1986 | SD | 5 | -2.38 | #772 | #93,725 |
| 1990 | SF | 18 | -2.19 | #504 | #75,986 |
| 1994 | OAK | 16 | -2.25 | #508 | #82,258 |
| 1995 | TEX | 44 | -2.13 | #547 | #69,819 |
| 1996★ | TEX | 52 | -2.12 | #560 | #66,648 |
| 1997 | TEX | 59 | -2.16 | #573 | #73,572 |
| 1999 | SD | 19 | -2.15 | #602 | #71,788 |
| 2000 | PHI | 31 | -2.15 | #628 | #71,437 |
| 2001 | PHI | 18 | -2.13 | #621 | #68,526 |
| 2002 | MON | 4 | -2.15 | #594 | #72,150 |
★ Best season by Z
| Season ↑ | Tm | G | Z | Szn | All-Time |
|---|---|---|---|---|---|
| 1986 | SD | 5 | -3.06 | #370 | #45,548 |
| 1990 | SF | 18 | -2.27 | #340 | #35,601 |
| 1994 | OAK | 16 | -2.11 | #311 | #33,233 |
| 1995★ | TEX | 44 | 1.17 | #150 | #14,043 |
| 1996 | TEX | 52 | -0.22 | #210 | #19,381 |
| 1997 | TEX | 59 | -1.28 | #265 | #25,082 |
| 1999 | SD | 19 | -2.90 | #514 | #44,157 |
| 2000 | PHI | 31 | -1.57 | #328 | #27,168 |
| 2001 | PHI | 18 | -1.45 | #314 | #26,260 |
| 2002 | MON | 4 | -2.44 | #469 | #38,105 |
★ Best season by Z