| year | team | league | level | age | pos | g | gs | inn | po | a | e | dp | tc | tsc | sb | cs | sb% | fpct | rfg | rfi | rf9i | tm share | pl share | tm rank |
| 1992 | Burlington Indians | App | Rk | 19 | P | 14 | 0 | 0.0 | 11 | 20 | 2 | 1 | 33 | 31 | 0 | 0 | .939 | 2.2 | 0.00 | 0.00 | 21.2 | 100.0 | 7 | |
| 1993 | Cleveland Indians | AL | MLB | 20 | P | 8 | 7 | 37.0 | 2 | 3 | 0 | 2 | 5 | 5 | 2 | 2 | 0.5 | 1.000 | 0.6 | 0.14 | 1.26 | 4.9 | 100.0 | 22 |
| 1993 | Canton/Akron Indians | East | AA | 20 | P | 3 | 0 | 0.0 | 1 | 3 | 0 | 1 | 4 | 4 | 0 | 0 | 1.000 | 1.3 | 0.00 | 0.00 | 2.2 | 100.0 | 23 | |
| 1993 | Kinston Indians | Caro | A+ | 20 | P | 18 | 0 | 0.0 | 12 | 19 | 2 | 2 | 33 | 31 | 0 | 0 | .939 | 1.7 | 0.00 | 0.00 | 13.0 | 100.0 | 11 | |
| 1994 | Cleveland Indians | AL | MLB | 21 | P | 1 | 1 | 1.2 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | .000 | 0.0 | 0.00 | 0.00 | 0.9 | 100.0 | 20 |
| 1994 | Charlotte Knights | IL | AAA | 21 | P | 26 | 0 | 0.0 | 17 | 30 | 4 | 2 | 51 | 47 | 0 | 0 | .922 | 1.8 | 0.00 | 0.00 | 18.3 | 100.0 | 5 | |
| 1995 | Cleveland Indians | AL | MLB | 22 | P | 57 | 0 | 85.0 | 7 | 11 | 2 | 1 | 20 | 18 | 2 | 3 | 0.4 | .900 | 0.3 | 0.21 | 1.89 | 39.6 | 100.0 | 2 |
| 1996 | Cleveland Indians | AL | MLB | 23 | P | 51 | 4 | 80.2 | 6 | 8 | 0 | 0 | 14 | 14 | 3 | 2 | 0.6 | 1.000 | 0.3 | 0.17 | 1.53 | 31.7 | 100.0 | 4 |
| 1996 | Buffalo Bisons | Amer | AAA | 23 | P | 2 | 0 | 0.0 | 2 | 3 | 0 | 0 | 5 | 5 | 0 | 0 | 1.000 | 2.5 | 0.00 | 0.00 | 1.4 | 100.0 | 21 | |
| 1997 | San Francisco Giants | NL | MLB | 24 | P | 89 | 0 | 88.1 | 5 | 13 | 2 | 2 | 20 | 18 | 5 | 0 | 1 | .900 | 0.2 | 0.20 | 1.80 | 54.9 | 100.0 | 1 |
| 1998 | San Francisco Giants | NL | MLB | 25 | P | 60 | 0 | 85.1 | 4 | 10 | 1 | 1 | 15 | 14 | 7 | 2 | 0.7778 | .933 | 0.2 | 0.16 | 1.44 | 36.8 | 100.0 | 4 |
| 1998 | Fresno Grizzlies | PCL | AAA | 25 | P | 1 | 0 | 0.0 | 0 | 1 | 0 | 0 | 1 | 1 | 0 | 0 | 1.000 | 1.0 | 0.00 | 0.00 | 0.6 | 100.0 | 21 | |
| 1999 | San Francisco Giants | NL | MLB | 26 | P | 47 | 0 | 54.2 | 7 | 6 | 1 | 1 | 14 | 13 | 5 | 3 | 0.625 | .929 | 0.3 | 0.24 | 2.16 | 29.0 | 100.0 | 6 |
| 1999 | Fresno Grizzlies | PCL | AAA | 26 | P | 4 | 0 | 0.0 | 0 | 1 | 0 | 0 | 1 | 1 | 0 | 0 | 1.000 | 0.3 | 0.00 | 0.00 | 2.8 | 100.0 | 17 | |
| 1999 | San Jose Giants | Calif | A+ | 26 | P | 1 | 0 | 0.0 | 2 | 0 | 0 | 1 | 2 | 2 | 0 | 0 | 1.000 | 2.0 | 0.00 | 0.00 | 0.7 | 100.0 | 23 | |
| 2000 | Colorado Rockies | NL | MLB | 27 | P | 51 | 12 | 120.0 | 14 | 23 | 1 | 1 | 38 | 37 | 9 | 4 | 0.6923 | .974 | 0.7 | 0.31 | 2.79 | 31.5 | 100.0 | 5 |
| 2001 | Chicago Cubs | NL | MLB | 28 | P | 34 | 28 | 161.1 | 14 | 31 | 3 | 6 | 48 | 45 | 10 | 6 | 0.625 | .938 | 1.3 | 0.28 | 2.52 | 21.0 | 100.0 | 7 |
| 2002 | Florida Marlins | NL | MLB | 29 | P | 29 | 27 | 153.2 | 15 | 30 | 4 | 2 | 49 | 45 | 11 | 5 | 0.6875 | .918 | 1.6 | 0.29 | 2.61 | 17.9 | 100.0 | 9 |
| 2003 | Pittsburgh Pirates | NL | MLB | 30 | P | 64 | 0 | 83.2 | 6 | 20 | 0 | 3 | 26 | 26 | 0 | 0 | 1.000 | 0.4 | 0.31 | 2.79 | 39.5 | 100.0 | 2 | |
| 2004 | St. Louis Cardinals | NL | MLB | 31 | P | 77 | 0 | 64.1 | 7 | 9 | 0 | 0 | 16 | 16 | 0 | 0 | 1.000 | 0.2 | 0.25 | 2.25 | 47.5 | 100.0 | 2 | |
| 2005 | St. Louis Cardinals | NL | MLB | 32 | P | 74 | 0 | 65.2 | 3 | 7 | 0 | 0 | 10 | 10 | 0 | 0 | 1.000 | 0.1 | 0.15 | 1.35 | 45.7 | 100.0 | 2 | |
| 2006 | Boston Red Sox | AL | MLB | 33 | P | 58 | 6 | 98.2 | 7 | 16 | 2 | 2 | 25 | 23 | 0 | 0 | .920 | 0.4 | 0.23 | 2.07 | 35.8 | 100.0 | 3 | |
| 2007 | Boston Red Sox | AL | MLB | 34 | P | 34 | 23 | 135.2 | 11 | 9 | 1 | 2 | 21 | 20 | 0 | 0 | .952 | 0.6 | 0.15 | 1.35 | 20.9 | 100.0 | 7 | |
| 2008 | Atlanta Braves | NL | MLB | 35 | P | 36 | 0 | 34.0 | 3 | 3 | 0 | 0 | 6 | 6 | 0 | 0 | 1.000 | 0.2 | 0.18 | 1.62 | 22.2 | 100.0 | 8 | |
| 2008 | Boston Red Sox | AL | MLB | 35 | P | 9 | 0 | 12.0 | 1 | 2 | 0 | 1 | 3 | 3 | 0 | 0 | 1.000 | 0.3 | 0.25 | 2.25 | 5.6 | 100.0 | 15 | |
| 2008 | Milwaukee Brewers | NL | MLB | 35 | P | 7 | 0 | 7.0 | 1 | 2 | 1 | 0 | 4 | 3 | 0 | 0 | .750 | 0.4 | 0.43 | 3.87 | 4.3 | 100.0 | 18 | |
| 2009 | Washington Nationals | NL | MLB | 36 | P | 42 | 0 | 35.0 | 2 | 2 | 0 | 0 | 4 | 4 | 0 | 0 | 1.000 | 0.1 | 0.11 | 0.99 | 25.9 | 100.0 | 5 | |
| Tot: | MLB (17 yrs) | MLB | P | 828 | 108 | 1,399.0 | 115 | 205 | 18 | 24 | 338 | 320 | 55 | 27 | 0.6707 | .947 | 0.4 | 0.23 | 2.06 | |||||
| Tot: | AAA (4 yrs) | AAA | P | 33 | 0 | 0.0 | 19 | 35 | 4 | 2 | 58 | 54 | 0 | 0 | .931 | 1.6 | ||||||||
| Tot: | AA (1 yrs) | AA | P | 3 | 0 | 0.0 | 1 | 3 | 0 | 1 | 4 | 4 | 0 | 0 | 1.000 | 1.3 | ||||||||
| Tot: | A+ (2 yrs) | A+ | P | 19 | 0 | 0.0 | 14 | 19 | 2 | 3 | 35 | 33 | 0 | 0 | .943 | 1.7 | ||||||||
| Tot: | Rk (1 yrs) | Rk | P | 14 | 0 | 0.0 | 11 | 20 | 2 | 1 | 33 | 31 | 0 | 0 | .939 | 2.2 |
| year | category | pos P | pos C | pos 1B | pos 2B | pos 3B | pos SS | pos LF | pos CF | pos RF | pos OF | pos DH |
| 1992 | Minor | 14 | - | - | - | - | - | - | - | - | - | - |
| 1993 | Minor | 21 | - | - | - | - | - | - | - | - | - | - |
| 1993 | MLB | 8 | - | - | - | - | - | - | - | - | - | - |
| 1994 | Minor | 26 | - | - | - | - | - | - | - | - | - | - |
| 1994 | MLB | 1 | - | - | - | - | - | - | - | - | - | - |
| 1995 | MLB | 57 | - | - | - | - | - | - | - | - | - | - |
| 1996 | Minor | 2 | - | - | - | - | - | - | - | - | - | - |
| 1996 | MLB | 51 | - | - | - | - | - | - | - | - | - | - |
| 1997 | MLB | 89 | - | - | - | - | - | - | - | - | - | - |
| 1998 | Minor | 1 | - | - | - | - | - | - | - | - | - | - |
| 1998 | MLB | 60 | - | - | - | - | - | - | - | - | - | - |
| 1999 | Minor | 5 | - | - | - | - | - | - | - | - | - | - |
| 1999 | MLB | 47 | - | - | - | - | - | - | - | - | - | - |
| 2000 | MLB | 51 | - | - | - | - | - | - | - | - | - | - |
| 2001 | MLB | 34 | - | - | - | - | - | - | - | - | - | - |
| 2002 | MLB | 29 | - | - | - | - | - | - | - | - | - | - |
| 2003 | MLB | 64 | - | - | - | - | - | - | - | - | - | - |
| 2004 | MLB | 77 | - | - | - | - | - | - | - | - | - | - |
| 2005 | MLB | 74 | - | - | - | - | - | - | - | - | - | - |
| 2006 | MLB | 58 | - | - | - | - | - | - | - | - | - | - |
| 2007 | MLB | 34 | - | - | - | - | - | - | - | - | - | - |
| 2008 | MLB | 52 | - | - | - | - | - | - | - | - | - | - |
| 2009 | MLB | 42 | - | - | - | - | - | - | - | - | - | - |