Harrison was selected by the Houston Texans in the fifth round, with the 144th overall pick, of the 2007 NFL draft.[1] He officially signed with the team on July 23, 2007.[2] He was placed on injured reserve on September 1, and did not play in any games in 2007. Harrison appeared in 15 games, starting six, during the 2008 season, recording 24 solo tackles, nine assisted tackles, and one pass breakup. He was waived by the Texans on September 5, 2009.[2]
California Redwoods
Harrison was signed by the California Redwoods of the United Football League on October 19, 2009.[3] He played in four games, starting two, for the Redwoods in 2009, totaling 18 tackles.[4]