| 1990 | Charleston (Sc) | SAL | A | 22 | 20 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .900 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 7 | 11 | 2 |
| 1991 | Waterloo | Midw | A | 23 | 14 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.000 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 5 | 11 | 0 |
| | High Desert | Calif | A+ | 23 | 11 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .875 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 2 | 5 | 1 |
| 1992 | Wichita | Tex | AA | 24 | 19 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .944 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 5 | 12 | 1 |
| | Las Vegas | PCL | AAA | 24 | 10 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.000 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 7 | 10 | 0 |
| 1993 | Las Vegas | PCL | AAA | 25 | 15 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .786 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 3 | 8 | 3 |
| | San Diego | NL | MLB | 25 | 21 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .944 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 6 | 11 | 1 |
| 1994 | San Diego | NL | MLB | 26 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.000 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 4 | 2 | 0 |
| 1995 | Rancho Cucamonga | Calif | A+ | 27 | 9 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .857 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 2 | 4 | 1 |
| | Las Vegas | PCL | AAA | 27 | 10 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.000 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 0 | 4 | 0 |
| | San Diego | NL | MLB | 27 | 9 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.000 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 0 | 2 | 0 |
| 1996 | San Diego | NL | MLB | 28 | 50 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .895 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 8 | 9 | 2 |
| 1997 | San Diego | NL | MLB | 29 | 60 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .867 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 8 | 18 | 4 |
| 1998 | Cleveland | AL | MLB | 30 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.000 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 1 | 3 | 0 |
| | Detroit | AL | MLB | 30 | 15 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.000 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 7 | 7 | 0 |
| | Oakland | AL | MLB | 30 | 25 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.000 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 0 | 5 | 0 |
| 1999 | Modesto | Calif | A+ | 31 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | 0 | 0 | 0 |
| | Oakland | AL | MLB | 31 | 53 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.000 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 1 | 3 | 0 |
| 2000 | Iowa | PCL | AAA | 32 | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.000 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 2 | 0 | 0 |
| | Baltimore | AL | MLB | 32 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.000 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 1 | 0 | 0 |
| | Chi Cubs | NL | MLB | 32 | 54 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.000 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 0 | 6 | 0 |
| 2001 | Azl Giants | Ariz | Rk | 33 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | 0 | 0 | 0 |
| | SF Giants | NL | MLB | 33 | 73 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .875 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 4 | 10 | 2 |
| 2002 | SF Giants | NL | MLB | 34 | 80 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.000 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 2 | 10 | 0 |
| 2003 | SF Giants | NL | MLB | 35 | 76 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .933 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 6 | 8 | 1 |
| 2004 | Philadelphia | NL | MLB | 36 | 77 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .962 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 10 | 15 | 1 |
| 2005 | Lakewood | SAL | A | 37 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.000 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 0 | 2 | 0 |
| | Reading | East | AA | 37 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | 0 | 0 | 0 |
| | Philadelphia | NL | MLB | 37 | 19 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.000 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 1 | 1 | 0 |
| | Arizona | NL | MLB | 37 | 32 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.000 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 1 | 3 | 0 |
| 2006 | SF Giants | NL | MLB | 38 | 23 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .800 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 3 | 1 | 1 |
Minor League Totals | 121 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .926 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 33 | 67 | 8 |