| 1994 | Everett | Nwst | A- | 21 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .750 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 0 | 3 | 1 |
| 1995 | San Jose | Calif | A+ | 22 | 28 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .972 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 10 | 25 | 1 |
| 1996 | Shreveport | Tex | AA | 23 | 27 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .976 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 11 | 29 | 1 |
| 1997 | Nashville | Amer | AAA | 24 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.000 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 0 | 1 | 0 |
| | Phoenix | PCL | AAA | 24 | 12 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .917 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 2 | 9 | 1 |
| | Chi White Sox | AL | MLB | 24 | 16 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.000 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 1 | 4 | 0 |
| | SF Giants | NL | MLB | 24 | 11 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .857 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 5 | 7 | 2 |
| 1998 | Chi White Sox | AL | MLB | 25 | 54 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .818 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 1 | 8 | 2 |
| 1999 | Chi White Sox | AL | MLB | 26 | 67 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .947 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 5 | 13 | 1 |
| 2000 | Chi White Sox | AL | MLB | 27 | 72 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.000 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 7 | 3 | 0 |
| 2001 | Chi White Sox | AL | MLB | 28 | 72 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.000 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 7 | 11 | 0 |
| 2002 | Chi White Sox | AL | MLB | 29 | 65 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.000 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 6 | 6 | 0 |
| 2003 | Oakland | AL | MLB | 30 | 72 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.000 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 3 | 12 | 0 |
| 2004 | Boston | AL | MLB | 31 | 72 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.000 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 5 | 11 | 0 |
| 2005 | Lowell | NYPL | A- | 32 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.000 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 0 | 1 | 0 |
| | Boston | AL | MLB | 32 | 43 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.000 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 0 | 3 | 0 |
| 2006 | Boston | AL | MLB | 33 | 44 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .857 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 1 | 5 | 1 |
| 2008 | Oakland | AL | MLB | 35 | 31 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.000 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 3 | 0 | 0 |
Minor League Totals | 75 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .958 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 23 | 68 | 4 |