| 1991 | GCL Braves | GCL | Rk | 18 | 11 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .800 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 1 | 7 | 2 |
| 1992 | Pulaski | App | Rk | 19 | 11 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .917 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 3 | 8 | 1 |
| | Macon | SAL | A | 19 | 7 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .600 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 1 | 2 | 2 |
| 1993 | Durham | Caro | A+ | 20 | 22 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.000 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 8 | 16 | 0 |
| 1994 | Greenville | Sou | AA | 21 | 24 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .818 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 2 | 7 | 2 |
| 1995 | Richmond | IL | AAA | 22 | 19 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .950 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 4 | 15 | 1 |
| | Atlanta | NL | MLB | 22 | 9 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.000 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 3 | 3 | 0 |
| 1996 | Greenville | Sou | AA | 23 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.000 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 0 | 1 | 0 |
| | Richmond | IL | AAA | 23 | 7 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.000 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 2 | 2 | 0 |
| | Pittsburgh | NL | MLB | 23 | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.000 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 3 | 4 | 0 |
| | Atlanta | NL | MLB | 23 | 13 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .875 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 2 | 5 | 1 |
| 1997 | Pittsburgh | NL | MLB | 24 | 32 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.000 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 13 | 19 | 0 |
| 1998 | Pittsburgh | NL | MLB | 25 | 33 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .920 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 7 | 16 | 2 |
| 1999 | Pittsburgh | NL | MLB | 26 | 33 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .929 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 10 | 16 | 2 |
| 2000 | GCL Pirates | GCL | Rk | 27 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | 0 | 0 | 0 |
| | Pittsburgh | NL | MLB | 27 | 11 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.000 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 2 | 7 | 0 |
| 2001 | Altoona | East | AA | 28 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.000 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 0 | 2 | 0 |
| | Nashville | PCL | AAA | 28 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.000 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 1 | 0 | 0 |
| | SF Giants | NL | MLB | 28 | 11 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.000 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 3 | 2 | 0 |
| | Pittsburgh | NL | MLB | 28 | 14 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.000 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 3 | 6 | 0 |
| 2002 | Salem-Kaizer | Nwst | A- | 29 | 9 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.000 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 0 | 4 | 0 |
| | Fresno | PCL | AAA | 29 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.000 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 1 | 2 | 0 |
| | SF Giants | NL | MLB | 29 | 29 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.000 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 5 | 15 | 0 |
| 2003 | SF Giants | NL | MLB | 30 | 29 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .933 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 13 | 15 | 2 |
| 2004 | San Jose | Calif | A+ | 31 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | 0 | 0 | 0 |
| | SF Giants | NL | MLB | 31 | 32 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .900 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 5 | 22 | 3 |
| 2005 | SF Giants | NL | MLB | 32 | 29 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .952 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 11 | 9 | 1 |
| 2006 | SF Giants | NL | MLB | 33 | 31 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.000 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 10 | 18 | 0 |
| 2007 | LA Dodgers | NL | MLB | 34 | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.000 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 1 | 2 | 0 |
| 2009 | Inland Empire | Calif | A+ | 36 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | 0 | 0 | 0 |
| | Albuquerque | PCL | AAA | 36 | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .889 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 4 | 4 | 1 |
| | LA Dodgers | NL | MLB | 36 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.000 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 0 | 2 | 0 |
Minor League Totals | 127 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .915 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 27 | 70 | 9 |