What was Brian Kelly THINKING on Saturday?!!?

Holy CHRIST!! The Irish are down on the ONE yard line getting ready to score and Dayne Crist fumbles the snap!! WOW! My question is why in GOD'S name did Kelly even put Crist in the game for a few plays? The guy is the all time worst QB ND has ever had and he takes that chance? Now, Brian Kelly is a great coach but was that not the dumbest move he's made at ND so far? I really hope some other Irish fans feels the same way.