Virginia Tech grad John Papuchis steers North Carolina defense Posted Oct 17, 2017 When the North Carolina football team visits Virginia Tech on Saturday, John Papuchis won't merely be returning to his alma mater. He will also be returning to the town where he got his start in coaching. Papuchis is in his first season as the defensive coordinator for the Tar Heels. It is a title he once held with the Blacksburg junior varsity football team. (Roanoke Times)