North Carolina Tar Heels 2022 Spring Football Storylines Posted Mar 7, 2022 Let's look at what's on Mack Brown and the Tar Heels' spring football checklist. 1. Gene Chizik back on defense: Chizik was a well-regarded analyst with ESPN in recent years and now has a chance to put some of his ideas back into practice. First, he has to foster the player-led leadership this defense lacked last season and put the right pieces in place. (Sports Illustrated)