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

Alabama wide receiver Devonta Smith runs into the end zone for a touchdown after catching a pass past Georgia defensive back Malkom Parrish during overtime of the NCAA college football playoff championship game in Atlanta on Monday, Jan. 8, 2018. Alabama won, 26-23. (Curtis Compton/Atlanta Journal-Constitution via AP)

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, a Hawaii native and Honolulu St. Louis alum, proved that his time is now.