NCAA Touchback or Not?

[InsideTheStripe]

That argument makes about as much sense as the offense arguing it should have been a TD.

The ruling was correct. Although the attacking team was responsible for momentarily putting the ball on the goal line, the ball didn't become dead OOB behind that goal line.

The rule reference is 8-6-1 (a):

It is a touchback when (t)he ball becomes dead out of bounds behind a goal line, except from an incomplete forward pass, or becomes dead in the possession of a player on, above or behind his own goal line and the attacking team is responsible for the ball being there (Rules 7-2-4-a and b) (A.R. 7-2-4-I, A.R. 8-6-1-I and II, and A.R. 10-2-2-XVI).