Defensive Changes Have Arrived For UNC Football Posted Feb 27, 2022 New UNC defensive coordinator Gene Chizik want to get back to the basics. UNC will now employ a four-man front with a true rush end. The Tar Heels also are incorporating a new "Jack" outside linebacker position, which won’t bear much resemblance to the hybrid role that sometimes appeared to hamstring the defense over the past three seasons. (Tar Heel Illustrated)