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| First Name | Last Name | Given Name | Birth Year | Birth Month | Birth Day | Birth City | Birth Country | Height | Weight | Age | Bats | Throws |
| Kent | Mercker | Kent Franklin | 1968 | 2 | 1 | Dublin | USA | 73 | 175 | -1969 | L | L |
| Year | Team | AB | HR | RBI | BA |
|---|---|---|---|---|---|
| 1989 | Atlanta Braves | 1 | 0 | 0 | 0.0000 |
| 1990 | Atlanta Braves | 3 | 0 | 0 | 0.0000 |
| 1991 | Atlanta Braves | 10 | 0 | 2 | 0.1000 |
| 1992 | Atlanta Braves | 5 | 0 | 0 | 0.0000 |
| 1993 | Atlanta Braves | 13 | 0 | 0 | 0.0000 |
| 1994 | Atlanta Braves | 37 | 0 | 2 | 0.0541 |
| 1995 | Atlanta Braves | 48 | 0 | 5 | 0.1042 |
| 1996 | Baltimore Orioles | 0 | 0 | 0 | 0.0000 |
| 1996 | Cleveland Indians | 0 | 0 | 0 | 0.0000 |
| 1997 | Cincinnati Reds | 45 | 0 | 1 | 0.1556 |
| 1998 | St. Louis Cardinals | 54 | 1 | 6 | 0.1481 |
| 1999 | Boston Red Sox | 0 | 0 | 0 | 0.0000 |
| 1999 | St. Louis Cardinals | 28 | 0 | 2 | 0.1786 |
| 2000 | Anaheim Angels | 0 | 0 | 0 | 0.0000 |
| 2002 | Colorado Rockies | 1 | 0 | 0 | 0.0000 |
| 2003 | Atlanta Braves | 1 | 0 | 0 | 0.0000 |
| 2003 | Cincinnati Reds | 0 | 0 | 0 | 0.0000 |
| 2004 | Chicago Cubs | 2 | 0 | 0 | 0.0000 |
| 2005 | Cincinnati Reds | 0 | 0 | 0 | 0.0000 |
| 2006 | Cincinnati Reds | 0 | 0 | 0 | 0.0000 |
| 2008 | Cincinnati Reds | 0 | 0 | 0 | 0.0000 |
| Year | Team | W | L | G | SHO |
|---|---|---|---|---|---|
| 1989 | Atlanta Braves | 0 | 0 | 2 | 0 |
| 1990 | Atlanta Braves | 4 | 7 | 36 | 0 |
| 1991 | Atlanta Braves | 5 | 3 | 50 | 0 |
| 1992 | Atlanta Braves | 3 | 2 | 53 | 0 |
| 1993 | Atlanta Braves | 3 | 1 | 43 | 0 |
| 1994 | Atlanta Braves | 9 | 4 | 20 | 1 |
| 1995 | Atlanta Braves | 7 | 8 | 29 | 0 |
| 1996 | Baltimore Orioles | 3 | 6 | 14 | 0 |
| 1996 | Baltimore Orioles | 1 | 0 | 10 | 0 |
| 1996 | Cleveland Indians | 3 | 6 | 14 | 0 |
| 1996 | Cleveland Indians | 1 | 0 | 10 | 0 |
| 1997 | Cincinnati Reds | 8 | 11 | 28 | 0 |
| 1998 | St. Louis Cardinals | 11 | 11 | 30 | 0 |
| 1999 | Boston Red Sox | 6 | 5 | 25 | 0 |
| 1999 | Boston Red Sox | 2 | 0 | 5 | 0 |
| 1999 | St. Louis Cardinals | 6 | 5 | 25 | 0 |
| 1999 | St. Louis Cardinals | 2 | 0 | 5 | 0 |
| 2000 | Anaheim Angels | 1 | 3 | 21 | 0 |
| 2002 | Colorado Rockies | 3 | 1 | 58 | 0 |
| 2003 | Atlanta Braves | 0 | 2 | 49 | 0 |
| 2003 | Atlanta Braves | 0 | 0 | 18 | 0 |
| 2003 | Cincinnati Reds | 0 | 2 | 49 | 0 |
| 2003 | Cincinnati Reds | 0 | 0 | 18 | 0 |
| 2004 | Chicago Cubs | 3 | 1 | 71 | 0 |
| 2005 | Cincinnati Reds | 3 | 1 | 78 | 0 |
| 2006 | Cincinnati Reds | 1 | 1 | 37 | 0 |
| 2008 | Cincinnati Reds | 1 | 0 | 15 | 0 |
| Year | Team | POS | E | DP | A |
|---|---|---|---|---|---|
| 1989 | Atlanta Braves | P | 0 | 0 | 0 |
| 1990 | Atlanta Braves | P | 1 | 0 | 1 |
| 1991 | Atlanta Braves | P | 1 | 1 | 7 |
| 1992 | Atlanta Braves | P | 0 | 0 | 2 |
| 1993 | Atlanta Braves | P | 1 | 0 | 4 |
| 1994 | Atlanta Braves | P | 0 | 1 | 15 |
| 1995 | Atlanta Braves | P | 1 | 2 | 23 |
| 1996 | Baltimore Orioles | P | 1 | 0 | 4 |
| 1996 | Cleveland Indians | P | 0 | 0 | 0 |
| 1997 | Cincinnati Reds | P | 0 | 0 | 22 |
| 1998 | St. Louis Cardinals | P | 2 | 0 | 26 |
| 1999 | Boston Red Sox | P | 1 | 0 | 8 |
| 1999 | St. Louis Cardinals | P | 4 | 1 | 16 |
| 2000 | Anaheim Angels | P | 1 | 1 | 5 |
| 2002 | Colorado Rockies | P | 1 | 0 | 2 |
| 2003 | Atlanta Braves | P | 0 | 0 | 0 |
| 2003 | Cincinnati Reds | P | 1 | 0 | 6 |
| 2004 | Chicago Cubs | P | 0 | 0 | 4 |
| 2005 | Cincinnati Reds | P | 2 | 0 | 11 |
| 2006 | Cincinnati Reds | P | 0 | 1 | 2 |
| 2008 | Cincinnati Reds | P | 0 | 1 | 0 |