Tar Heels know offensive line must play big Posted Aug 19, 2011 North Carolina's offensive line will have to protect a young quarterback and open holes for an experienced running back if the Tar Heels are to reach eight wins for a fourth straight year. The Tar Heels have plenty to build around with tackle James Hurst, guard Jonathan Cooper and center Cam Holland. Hurst started all but one game last year and earned freshman All-America honors from several outlets. (Myrtle Beach Sun News)