Redshirt freshman quarterback Sam Darnold explains how he's been a fan of USC since childhood, thanks in part to his grandfather's play that propelled the Trojans to the Final Four in men's basketball during the 1950's. See the full feature debut during the "Pac-12 Football Pregame Show" on Saturday, Nov. 12 at 12 p.m. PT/1 p.m. MT on Pac-12 Network.