| 1983 | Columbia | SAL | A | 20 | 0 | 0 | 64 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | -- | -- | .988 | -- | -- | -- | -- | -- | -- | -- | 520 | 37 | 7 |
| 1984 | Lynchburg | Caro | A+ | 21 | 0 | 0 | 112 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | -- | -- | .984 | -- | -- | -- | -- | -- | -- | -- | 896 | 64 | 16 |
| 1985 | Jackson | Tex | AA | 22 | 0 | 0 | 2 | 0 | 127 | 0 | 0 | 0 | 0 | 0 | 0 | -- | -- | 1.000 | -- | .921 | -- | -- | -- | -- | -- | 106 | 276 | 31 |
| 1986 | Tidewater | IL | AAA | 23 | 0 | 0 | 1 | 0 | 130 | 0 | 0 | 0 | 0 | 0 | 0 | -- | -- | 1.000 | -- | .934 | -- | -- | -- | -- | -- | 78 | 284 | 25 |
| | NY Mets | NL | MLB | 23 | 0 | 0 | 9 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | -- | -- | 1.000 | -- | -- | -- | -- | -- | -- | -- | 48 | 5 | 0 |
| 1987 | NY Mets | NL | MLB | 24 | 0 | 0 | 13 | 0 | 50 | 0 | 0 | 0 | 0 | 0 | 0 | -- | -- | .975 | -- | .981 | -- | -- | -- | -- | -- | 88 | 92 | 4 |
| 1988 | NY Mets | NL | MLB | 25 | 0 | 0 | 71 | 0 | 48 | 0 | 0 | 0 | 0 | 0 | 0 | -- | -- | .988 | -- | .952 | -- | -- | -- | -- | -- | 459 | 99 | 10 |
| 1989 | NY Mets | NL | MLB | 26 | 0 | 0 | 87 | 0 | 28 | 0 | 0 | 0 | 0 | 0 | 0 | -- | -- | .991 | -- | .977 | -- | -- | -- | -- | -- | 587 | 89 | 7 |
| 1990 | NY Mets | NL | MLB | 27 | 0 | 0 | 113 | 0 | 19 | 0 | 0 | 0 | 0 | 0 | 0 | -- | -- | .998 | -- | .972 | -- | -- | -- | -- | -- | 837 | 99 | 3 |
| 1991 | NY Mets | NL | MLB | 28 | 0 | 0 | 122 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | -- | -- | .996 | -- | -- | -- | -- | -- | -- | -- | 1035 | 90 | 5 |
| 1992 | NY Mets | NL | MLB | 29 | 0 | 0 | 2 | 0 | 93 | 0 | 0 | 0 | 0 | 0 | 0 | -- | -- | 1.000 | -- | .941 | -- | -- | -- | -- | -- | 54 | 136 | 11 |
| 1993 | Seattle | AL | MLB | 30 | 0 | 0 | 41 | 0 | 27 | 0 | 0 | 0 | 0 | 0 | 2 | -- | -- | .991 | -- | .972 | -- | -- | -- | -- | -- | 325 | 72 | 5 |
| | Florida | NL | MLB | 30 | 0 | 0 | 2 | 0 | 63 | 0 | 0 | 0 | 0 | 0 | 0 | -- | -- | 1.000 | -- | .961 | -- | -- | -- | -- | -- | 55 | 122 | 7 |
| 1994 | Florida | NL | MLB | 31 | 0 | 0 | 16 | 0 | 48 | 0 | 0 | 0 | 0 | 0 | 0 | -- | -- | 1.000 | -- | .958 | -- | -- | -- | -- | -- | 127 | 78 | 4 |
| 1995 | Houston | NL | MLB | 32 | 0 | 0 | 11 | 0 | 100 | 0 | 0 | 0 | 0 | 0 | 0 | -- | -- | 1.000 | -- | .922 | -- | -- | -- | -- | -- | 121 | 163 | 18 |
| 1996 | Daytona | FSL | A+ | 33 | 0 | 0 | 0 | 0 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | -- | -- | -- | -- | .857 | -- | -- | -- | -- | -- | 0 | 6 | 1 |
| | Iowa | Amer | AAA | 33 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | -- | -- | -- | -- | 1.000 | -- | -- | -- | -- | -- | 3 | 3 | 0 |
| | Chi Cubs | NL | MLB | 33 | 0 | 0 | 10 | 0 | 51 | 0 | 0 | 0 | 0 | 0 | 0 | -- | -- | 1.000 | -- | .963 | -- | -- | -- | -- | -- | 75 | 67 | 3 |
| 1997 | Oakland | AL | MLB | 34 | 0 | 0 | 30 | 0 | 49 | 0 | 0 | 0 | 0 | 0 | 25 | -- | -- | 1.000 | -- | .940 | -- | -- | -- | -- | -- | 148 | 65 | 5 |
| 1998 | Oakland | AL | MLB | 35 | 0 | 0 | 7 | 0 | 30 | 0 | 0 | 0 | 0 | 0 | 0 | -- | -- | 1.000 | -- | .918 | -- | -- | -- | -- | -- | 48 | 55 | 6 |
| 1999 | San Diego | NL | MLB | 36 | 0 | 0 | 42 | 0 | 52 | 0 | 0 | 0 | 0 | 0 | 0 | -- | -- | .985 | -- | .969 | -- | -- | -- | -- | -- | 209 | 85 | 6 |
| 2000 | San Diego | NL | MLB | 37 | 0 | 0 | 8 | 0 | 29 | 2 | 0 | 0 | 0 | 0 | 2 | -- | -- | 1.000 | -- | .952 | 1.000 | -- | -- | -- | -- | 58 | 41 | 2 |
| 2001 | San Diego | NL | MLB | 38 | 0 | 0 | 9 | 1 | 22 | 1 | 0 | 0 | 0 | 0 | 2 | -- | -- | .963 | -- | .950 | -- | -- | -- | -- | -- | 39 | 25 | 3 |
Minor League Totals | 0 | 0 | 179 | 0 | 264 | 0 | 0 | 0 | 0 | 0 | 0 | -- | -- | .985 | -- | .928 | -- | -- | -- | -- | -- | 1603 | 670 | 80 |