Pac-12 Networks' Rick Neuheisel takes a look at the key to Arizona's success the past two times against Oregon: their 2x2 formations. Learn how the offensive scheme has disrupted the Ducks and see other features during the "Pac-12 Football Championship Pregame Show" Friday, Dec. 5 at 5 p.m. PT/6 p.m. MT on Pac-12 Networks.