I doubt Coach Saban "announces" who the starting quarterback is, especially at this time.
I don't recall Saban announcing a starting QB prior to game day when there was competition for the job. We all knew McElroy was going to be the starter and AJ but the others all were game day or game week decisions. And I do not think Saban trots a true freshman onto the field in Dallas as the starter. He may have to resort to him but IMO he won't start the first game in a title defense year.
Dr. B