Walk-off: Alabama beats Georgia in OT for national title

ATLANTA -- To add another championship to the greatest dynasty college football has ever seen, Alabama turned to its quarterback of the future, and Tua Tagovailoa proved that his time is now. The freshman quarterback, who had played mostly mop-up duty this season, came off the bench to spark a comeback and threw a 41-yard touchdown to DeVonta Smith that gave No. 4 Alabama a 26-23 overtime victory against No. 3 Georgia on Monday night for the College Football Playoff national championship. Tagovailoa entered the game at halftime, replacing a struggling Jalen Hurts , and threw three touchdown passes to give the Crimson Tide its fifth national championship since 2009 under coach Nick Saban. "He just stepped in and did his thing," Hurts said. "He's built for stuff like this.