He played free safety in 2 games as a true freshman, until suffering sprained ligaments in his lower back and being redshirted.

As a junior, he started 9 games, collecting 95 tackles (led the team), 8 passes defensed and one interception returned for a touchdown, while playing under head coach Urban Meyer.

Campbell was signed as an undrafted free agent by the Dallas Cowboys after the 2002 NFL draft.

He was as a reserve linebacker and a special teams player, registering three tackles in four games, before being waived on September 30.

He played nine games and recorded 13 tackles before suffering a torn ACL in his left knee and being placed on the injured reserve list.

He played in 15 games for the Redskins in 2005, recording 15 tackles and also earned the team's Ed Block Courage Award.