| 1997 | GCL Royals | GCL | Rk | 18 | 10 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .833 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 1 | 4 | 1 |
| 1998 | GCL Royals | GCL | Rk | 19 | 12 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .923 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 3 | 9 | 1 |
| | Lansing | Midw | A | 19 | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .714 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 1 | 4 | 2 |
| 1999 | Charleston (Wv) | SAL | A | 20 | 27 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .963 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 2 | 24 | 1 |
| 2000 | Wilmington | Caro | A+ | 21 | 27 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .970 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 5 | 27 | 1 |
| 2001 | Wichita | Tex | AA | 22 | 25 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .973 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 7 | 29 | 1 |
| 2002 | Wichita | Tex | AA | 23 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | 0 | 0 | 0 |
| | KC Royals | AL | MLB | 23 | 34 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .900 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 4 | 14 | 2 |
| 2003 | KC Royals | AL | MLB | 24 | 36 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .958 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 4 | 19 | 1 |
| 2004 | Omaha | PCL | AAA | 25 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.000 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 0 | 1 | 0 |
| | KC Royals | AL | MLB | 25 | 38 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .882 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 3 | 12 | 2 |
| 2005 | Omaha | PCL | AAA | 26 | 9 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.000 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 0 | 1 | 0 |
| | KC Royals | AL | MLB | 26 | 49 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .875 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 1 | 6 | 1 |
| 2006 | Colorado | NL | MLB | 27 | 27 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.000 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 1 | 7 | 0 |
| | KC Royals | AL | MLB | 27 | 27 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .857 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 0 | 6 | 1 |
| 2007 | Colorado | NL | MLB | 28 | 75 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.000 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 2 | 12 | 0 |
| 2008 | Cincinnati | NL | MLB | 29 | 74 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .967 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 7 | 22 | 1 |
| 2009 | SF Giants | NL | MLB | 30 | 74 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .941 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 4 | 12 | 1 |
| 2010 | San Jose | Calif | A+ | 31 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.000 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 0 | 1 | 0 |
| | SF Giants | NL | MLB | 31 | 53 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .857 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 3 | 15 | 3 |
| 2011 | SF Giants | NL | MLB | 32 | 67 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.000 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 7 | 11 | 0 |
| 2012 | SF Giants | NL | MLB | 33 | 67 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .947 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 5 | 13 | 1 |
Minor League Totals | 125 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .944 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 19 | 100 | 7 |