Extra Points: Trench Mob Posted Aug 6, 2015 The structure and culture instilled by UNC defensive line coach Tray Scott is all part of a massive rebuilding effort of a position group that sent 20 draft picks into the NFL over the last two decades, 10 of them first-rounders. The Tar Heels have been so good at times they’ve had a starting lineup that included four future pros at once with Greg Ellis, Vonnie Holliday, Russell Davis and Michael Pringley in 1997. (GoHeels.com)