While Nick Saban wants to see improvement, top-ranked Alabama was pretty impressive in the opening of its national-title defense -- without a proven quarterback and with Heisman Trophy-winning tailback Derrick Henry in the NFL. That Crimson Tide defense, down four players taken in the first two rounds of the NFL draft last spring, is still physical and dominating, too. On the season's first Saturday, when two top-five teams lost, freshman quarterback Jalen Hurts threw two touchdown passes to ArDarius Stewart and ran for two more scores in a 52-6 victory over No. 20 Southern California on Saturday night. Read more http://www.espn.com/ncf/recap?gameId=400868969