Here is the official rule statement from NCAA Rulebook on the fumble:
Rule 12 Section 3-D Live ball ruled dead in possession of a ball carrier when the clear recovery of a loose ball occurs in the immediate continuing action after the loose ball.
1. If the ball is ruled dead and the replay official does not have indisputable video evidence as to which team recovers, the dead-ball ruling stands. 2. If the replay official rules that the ball was not dead, it belongs to the recovering team at the spot of the recovery and any advance is nullified.
So for all LSU fans complaining here it is. I have seen some that do actually understand the rules, and to y'all