1B · 16 seasons · 1992 – 2008 · B/T: L/L
| Season ↑ | Tm | G | Z | Szn | All-Time |
|---|---|---|---|---|---|
| 1992 | NYY | 7 | -2.28 | #837 | #85,634 |
| 1993 | CAL | 129 | 3.25 | #183 | #18,265 |
| 1994 | CAL | 61 | -0.44 | #306 | #33,004 |
| 1995★ | CAL | 143 | 9.96 | #58 | #4,973 |
| 1996 | CAL | 155 | 3.37 | #187 | #17,911 |
| 1997 | SF | 157 | 9.28 | #60 | #5,841 |
| 1998 | SF | 138 | 3.46 | #179 | #17,657 |
| 1999 | SF | 161 | 6.70 | #120 | #9,991 |
| 2000 | SF | 155 | 6.60 | #115 | #10,176 |
| 2001 | SF | 101 | 0.66 | #300 | #27,171 |
| 2002 | SF | 143 | 1.22 | #268 | #24,893 |
| 2003 | SF | 103 | 2.76 | #218 | #19,651 |
| 2004 | SF | 107 | 6.89 | #109 | #9,635 |
| 2005 | SF | 117 | 1.97 | #247 | #22,204 |
| 2006 | BOS | 38 | -2.17 | #1,029 | #74,552 |
| 2008 | SF | 1 | -2.06 | #590 | #59,535 |
★ Best season by Z