I don't know. If I knew, would certainly report something. If they're close, logic certainly points to giving Floyd the nod and not sacrificing a year of eligibility for Eveld unnecessarily.
If you start Eveld and he falters early, hard to make a switch since the guy just gave up a year of eligibility to get on the field; if you start Floyd and he falters early, you can say he had a shot and put Eveld in. I don't think Marc is more than a here-and-there look in Wildcat, just a change of pace to give the threat of a running QB. Just my opinion ...