| Career Record | |||||||
| YEAR | TEAM | G | W | L | PCT | PLAYOFF W | PLAYOFF L |
| 2004 | Houston Astros | 88 | 44 | 44 | .500 | -- | -- |
| 2003 | Houston Astros | 162 | 87 | 75 | .537 | -- | -- |
| 2002 | Houston Astros | 162 | 84 | 78 | .519 | -- | -- |
| 2001 | Boston Red Sox | 118 | 65 | 53 | .551 | -- | -- |
| 2000 | Boston Red Sox | 162 | 85 | 77 | .525 | -- | -- |
| 1999 | Boston Red Sox | 162 | 94 | 68 | .580 | 4 | 6 |
| 1998 | Boston Red Sox | 162 | 92 | 70 | .568 | 1 | 3 |
| 1997 | Boston Red Sox | 162 | 78 | 84 | .481 | -- | -- |
| 1989 | Toronto Blue Jays | 36 | 12 | 24 | .333 | 1 | 4 |
| 1988 | Toronto Blue Jays | 162 | 87 | 75 | .537 | -- | -- |
| 1987 | Toronto Blue Jays | 162 | 96 | 66 | .593 | -- | -- |
| 1986 | Toronto Blue Jays | 162 | 86 | 76 | .531 | -- | -- |
| Totals | |||||||
| CAREER | 12 years | 1700 | 910 | 790 | .535 | 6 | 13 |
