| 1994 | Azl Padres | Ariz | Rk | 19 | 13 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.000 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 5 | 6 | 0 |
| | Spokane | Nwst | A- | 19 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .500 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 2 | 0 | 2 |
| 1995 | Idaho Falls | Pio | Rk | 20 | 14 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .960 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 10 | 14 | 1 |
| | Rancho Cucamonga | Calif | A+ | 20 | 12 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .923 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 3 | 9 | 1 |
| 1996 | Clinton | Midw | A | 21 | 16 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .913 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 9 | 12 | 2 |
| | Rancho Cucamonga | Calif | A+ | 21 | 11 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .800 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 1 | 7 | 2 |
| 1997 | Rancho Cucamonga | Calif | A+ | 22 | 14 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .913 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 9 | 12 | 2 |
| | Mobile | Sou | AA | 22 | 13 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.000 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 6 | 10 | 0 |
| 1998 | Las Vegas | PCL | AAA | 23 | 27 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .800 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 12 | 20 | 8 |
| | San Diego | NL | MLB | 23 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | 0 | 0 | 0 |
| 1999 | San Diego | NL | MLB | 24 | 31 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .923 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 12 | 12 | 2 |
| 2000 | San Diego | NL | MLB | 25 | 34 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .930 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 27 | 26 | 4 |
| 2001 | Florida | NL | MLB | 26 | 31 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .971 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 14 | 20 | 1 |
| 2002 | Chi Cubs | NL | MLB | 27 | 32 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .939 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 8 | 23 | 2 |
| 2003 | Chi Cubs | NL | MLB | 28 | 32 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .915 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 20 | 23 | 4 |
| 2004 | Chi Cubs | NL | MLB | 29 | 30 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .925 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 16 | 21 | 3 |
| 2005 | Boston | AL | MLB | 30 | 32 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .977 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 22 | 20 | 1 |
| 2006 | Boston | AL | MLB | 31 | 12 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.000 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 6 | 4 | 0 |
Minor League Totals | 122 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .891 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 57 | 90 | 18 |