I don't know enough about QBing to be sure but is it possible that McElroy has different ball fakes than Sanchez? I know QBs are taught to "sell" their fakes and to do it certain ways on different plays but maybe the Jets give the QBs some leeway in their style.
If anything I would think that the playbook would be simplified, or in Sparano-speak "vanilla", for McElroy.
Football is an emotional game. I just think we got a spark from McElroy today. We have seen this happen before with Vinny and Penny.