|Born: October 17, 1981|
|September 7, 2006, for the Washington Nationals|
|Last MLB appearance|
|September 18, 2006, for the Washington Nationals|
|Earned run average||10.38|
Campbell was drafted by the Montreal Expos in the 34th round of the 2004 amateur draft. He began the 2004 season playing for their rookie league affiliate, the GCL Expos. During the season, he was promoted to the Class A Vermont Expos and then to the Class A-Advanced Brevard County Manatees.
The Expos were relocated to Washington D.C. for the 2005 season, becoming the Washington Nationals. During the first year as a part of the new Nationals association, he played for the Class A Savannah Sand Gnats before being promoted to the A-Advanced Potomac Nationals. He started 2006 with the Potomac Nationals and was then promoted to the Double-A Harrisburg Senators and then the Triple-A New Orleans Zephyrs. He received a September call-up to the major league Nationals, making is big league debut on September 7, 2006. In 2007, he returned to Double-A Harrisburg.