Crennel wasn't too happy after this weekends loss the Baltimore Ravens and he's been saying that no starter is safe on the offensive side of the ball.
That includes the QB.
Personally, I wouldn't be surprised if Frye got some playing time... however, I fully expect Dilfer to be the starter unless the wheels really fall off. Though, if the offense is sucking it up with Dilfer back there, I don't exactly see why the Browns should throw Frye to the wolves right away.
Again, unless the season looks completely lost, expect Dilfer to remain the starter.