The 6-2, 195-pound Chesapeake, Va. native was suspended for two games in September for a violation of team rules.
Harrelson, who was moved to cornerback during preseason camp, appeared in seven games and recorded three tackles and one pass break-up. He also returned seven punts for a 7.8-yard average.
Harrelson was an all-state wide receiver and cornerback at Oscar Smith High School and recorded three catches during his first two seasons at UNC -- the biggest being a pivotal 28-yard reception in the final minute of regulation against Tennessee in the 2010 Music City Bowl. He also returned 11 kickoffs his sophomore season (averaging 23.0 yards per return).