Mack Brown Highlights Standout Performers From UNC Football Training Camp Posted Aug 11, 2022 On Monday, UNC football coach Mack Brown was asked about a few players that surprised him during Saturday's scrimmage. Brown cited multiple players who have jumped out to him. "The two freshmen backs (George Pettaway and Omarion Hampton). They were explosive on Saturday. And I was surprised that they look that good that early." (Inside Carolina)