Editor's note: The season is over and the Alabama Crimson Tide are national champions yet again. But what happens next? TideNation examines the most pressing storylines of the offseason as the Tide gear up for another title defense.
TUSCALOOSA, Ala. -- It's the "What if?" no Alabama fan wants to consider: What if AJ McCarron went down with a serious injury? What if he was gone for two or three games? What if the injury were so egregious he had to be sidelined for an entire season? Who would be the starting quarterback then?