| 1981 | GCL Royals | GCL | Rk | 18 | 14 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .857 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 1 | 11 | 2 |
| 1982 | Charleston (Sc) | SAL | A | 19 | 16 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .885 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 6 | 17 | 3 |
| | Fort Myers | FSL | A+ | 19 | 10 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .941 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 3 | 13 | 1 |
| 1984 | Memphis | Sou | AA | 21 | 29 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .786 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 7 | 15 | 6 |
| 1985 | Omaha | Amer | AAA | 22 | 28 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .742 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 12 | 11 | 8 |
| 1986 | Omaha | Amer | AAA | 23 | 39 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.000 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 3 | 2 | 0 |
| | KC Royals | AL | MLB | 23 | 11 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.000 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 4 | 0 | 0 |
| 1987 | Tidewater | IL | AAA | 24 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.000 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 2 | 1 | 0 |
| | NY Mets | NL | MLB | 24 | 21 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .957 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 12 | 10 | 1 |
| 1988 | NY Mets | NL | MLB | 25 | 35 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .976 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 17 | 23 | 1 |
| 1989 | NY Mets | NL | MLB | 26 | 34 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .972 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 21 | 14 | 1 |
| 1990 | NY Mets | NL | MLB | 27 | 31 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .925 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 17 | 20 | 3 |
| 1991 | NY Mets | NL | MLB | 28 | 34 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .917 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 18 | 26 | 4 |
| 1992 | NY Mets | NL | MLB | 29 | 27 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .947 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 16 | 20 | 2 |
| | Toronto | AL | MLB | 29 | 8 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.000 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 2 | 2 | 0 |
| 1993 | KC Royals | AL | MLB | 30 | 34 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .980 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 24 | 24 | 1 |
| 1994 | KC Royals | AL | MLB | 31 | 23 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .927 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 20 | 18 | 3 |
| 1995 | NY Yankees | AL | MLB | 32 | 13 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .941 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 7 | 9 | 1 |
| | Toronto | AL | MLB | 32 | 17 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .920 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 5 | 18 | 2 |
| 1996 | Norwich | East | AA | 33 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .000 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 0 | 0 | 2 |
| | NY Yankees | AL | MLB | 33 | 11 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .917 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 6 | 5 | 1 |
| 1997 | NY Yankees | AL | MLB | 34 | 29 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .917 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 9 | 13 | 2 |
| 1998 | NY Yankees | AL | MLB | 35 | 31 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .974 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 12 | 25 | 1 |
| 1999 | NY Yankees | AL | MLB | 36 | 31 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .950 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 7 | 12 | 1 |
| 2000 | NY Yankees | AL | MLB | 37 | 30 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .935 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 9 | 20 | 2 |
| 2001 | Sarasota | FSL | A+ | 38 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | 0 | 0 | 0 |
| | Boston | AL | MLB | 38 | 25 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .923 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 14 | 10 | 2 |
| 2003 | St. Lucie | FSL | A+ | 40 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.000 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 0 | 1 | 0 |
| | NY Mets | NL | MLB | 40 | 5 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1.000 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 0 | 3 | 0 |
Minor League Totals | 145 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .827 | -- | -- | -- | -- | -- | -- | -- | -- | -- | 34 | 71 | 22 |