What we learned in the ACC: Week 6 Posted Oct 5, 2014 The two-quarterback system isn’t working for North Carolina. Mitch Trubisky was 1-of-4 for 11 yards and threw a disastrous pick-six during his limited time on the field in a 34-17 loss to Virginia Tech, and once again Tar Heels fans are wondering why Larry Fedora insists on the merry-go-round at QB. (ESPN.com)