| 1992 | Eugene | Nwst | A- | 22 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.000 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 2 | 8 | 0 |
| | Baseball City | FSL | A+ | 22 | 7 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.000 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 1 | 4 | 0 |
| 1993 | Wilmington | Caro | A+ | 23 | 17 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .943 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 11 | 22 | 2 |
| | Memphis/Carolina | Sou | AA | 23 | 10 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .909 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 3 | 7 | 1 |
| 1994 | Carolina | Sou | AA | 24 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.000 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 0 | 5 | 0 |
| | Buffalo | Amer | AAA | 24 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.000 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 0 | 2 | 0 |
| | Pittsburgh | NL | MLB | 24 | 17 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .900 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 10 | 8 | 2 |
| 1995 | Calgary | PCL | AAA | 25 | 14 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .867 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 7 | 6 | 2 |
| | Pittsburgh | NL | MLB | 25 | 21 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .947 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 2 | 16 | 1 |
| 1996 | Pittsburgh | NL | MLB | 26 | 51 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.000 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 17 | 25 | 0 |
| 1997 | Pittsburgh | NL | MLB | 27 | 33 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .976 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 16 | 25 | 1 |
| 1998 | Pittsburgh | NL | MLB | 28 | 29 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.000 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 12 | 17 | 0 |
| 1999 | Chi Cubs | NL | MLB | 29 | 31 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .946 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 18 | 17 | 2 |
| 2000 | Chi Cubs | NL | MLB | 30 | 35 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .984 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 30 | 31 | 1 |
| 2001 | Chi Cubs | NL | MLB | 31 | 34 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.000 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 16 | 35 | 0 |
| 2002 | Chi Cubs | NL | MLB | 32 | 21 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.000 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 5 | 19 | 0 |
| 2003 | GCL Yankees | GCL | Rk | 33 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.000 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 2 | 1 | 0 |
| | Tampa | FSL | A+ | 33 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | 0 | 0 | 0 |
| 2004 | Tampa | FSL | A+ | 34 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.000 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 1 | 1 | 0 |
| | NY Yankees | AL | MLB | 34 | 27 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .879 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 10 | 19 | 4 |
| 2005 | Philadelphia | NL | MLB | 35 | 35 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .909 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 12 | 28 | 4 |
| 2006 | Philadelphia | NL | MLB | 36 | 27 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .919 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 15 | 19 | 3 |
| 2007 | Philadelphia | NL | MLB | 37 | 14 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .833 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 5 | 5 | 2 |
| 2008 | Chi Cubs | NL | MLB | 38 | 26 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.000 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 1 | 6 | 0 |
Minor League Totals | 63 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .943 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 27 | 56 | 5 |