| 1990 | Wausau | Midw | A | 20 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 39 | 0 | -- | -- | -- | -- | -- | -- | -- | -- | -- | .978 | 89 | 2 | 2 |
| 1991 | Frederick | Caro | A+ | 21 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 127 | 0 | -- | -- | -- | -- | -- | -- | -- | -- | -- | .984 | 293 | 7 | 5 |
| 1992 | Hagerstown | East | AA | 22 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 101 | 0 | -- | -- | -- | -- | -- | -- | -- | -- | -- | .993 | 264 | 13 | 2 |
| | Rochester | IL | AAA | 22 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 45 | 0 | -- | -- | -- | -- | -- | -- | -- | -- | -- | .971 | 100 | 1 | 3 |
| 1993 | Rochester | IL | AAA | 23 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 27 | 0 | -- | -- | -- | -- | -- | -- | -- | -- | -- | .962 | 73 | 3 | 3 |
| | Baltimore | AL | MLB | 23 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 30 | 17 | -- | -- | -- | -- | -- | -- | -- | -- | -- | .984 | 61 | 2 | 1 |
| 1994 | Rochester | IL | AAA | 24 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 109 | 0 | -- | -- | -- | -- | -- | -- | -- | -- | -- | .988 | 339 | 4 | 4 |
| | Baltimore | AL | MLB | 24 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | 0 | 0 | 0 |
| 1995 | Rochester | IL | AAA | 25 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 46 | 0 | -- | -- | -- | -- | -- | -- | -- | -- | -- | .983 | 115 | 2 | 2 |
| | Baltimore | AL | MLB | 25 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 24 | 0 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 1.000 | 40 | 0 | 0 |
| | NY Mets | NL | MLB | 25 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 39 | 0 | -- | -- | -- | -- | -- | -- | -- | -- | -- | .972 | 67 | 2 | 2 |
| 1996 | Texas | AL | MLB | 26 | 0 | 0 | 0 | 0 | 0 | 0 | 14 | 25 | 44 | 0 | 0 | -- | -- | -- | -- | -- | -- | 1.000 | 1.000 | 1.000 | -- | 93 | 3 | 0 |
| 1997 | Texas | AL | MLB | 27 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 117 | 0 | 0 | 3 | -- | -- | -- | -- | -- | -- | -- | .990 | -- | -- | 282 | 7 | 3 |
| 1998 | Boston | AL | MLB | 28 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 67 | 0 | 0 | 15 | -- | -- | -- | -- | -- | -- | -- | 1.000 | -- | -- | 133 | 4 | 0 |
| 1999 | Boston | AL | MLB | 29 | 0 | 0 | 0 | 0 | 0 | 0 | 5 | 82 | 0 | 0 | 5 | -- | -- | -- | -- | -- | -- | 1.000 | .984 | -- | -- | 189 | 6 | 3 |
| 2000 | Chi Cubs | NL | MLB | 30 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 140 | 7 | 0 | 0 | -- | -- | -- | -- | -- | -- | 1.000 | .987 | .960 | -- | 336 | 4 | 5 |
| 2001 | Rochester | IL | AAA | 31 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 32 | 0 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 1.000 | 86 | 0 | 0 |
| | Louisville | IL | AAA | 31 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 13 | 0 | -- | -- | -- | -- | -- | -- | -- | -- | -- | .958 | 22 | 1 | 1 |
| | Chi Cubs | NL | MLB | 31 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 33 | 1 | 0 | 0 | -- | -- | -- | -- | -- | -- | -- | 1.000 | 1.000 | -- | 53 | 0 | 0 |
| 2002 | Winston-Salem | Caro | A+ | 32 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 7 | 0 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 1.000 | 16 | 2 | 0 |
| | Pawtucket | IL | AAA | 32 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 10 | 0 | -- | -- | -- | -- | -- | -- | -- | -- | -- | .967 | 28 | 1 | 1 |
| | Charlotte | IL | AAA | 32 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 38 | 0 | -- | -- | -- | -- | -- | -- | -- | -- | -- | .972 | 66 | 3 | 2 |
| 2003 | Edmonton | PCL | AAA | 33 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 9 | 0 | -- | -- | -- | -- | -- | -- | -- | -- | -- | .889 | 8 | 0 | 1 |
Minor League Totals | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 603 | 0 | -- | -- | -- | -- | -- | -- | -- | -- | -- | .983 | 1499 | 39 | 26 |