Sure Fortin will start the game, but does anyone think he will finish it?
He will either get pulled for sucking (again), get hurt (again), or the score will be such a blow out that the coaching staff puts in McClain for some reps.
Gotta suck to be him, only way he finishes this game is if it's close all the way, which it won't be. Dude's psyche is gonna be messed up.
At this point I'd just ride McClain all the way through the season under the banner of him "being the future that has to go through freshman growing pains etc."