This is a likely scenario, but not week one, unless of course he goes full Charger game and melts again. I think if they go to Allen, that's it, you can't go back to Peterman unless for injury relief only.
I just read the punter the Bills got was purposely not showcased by New England in preseason in an effort to hide him on the PS, zero preseason punts, so there's that
Don't be the guy that simply reads the box score to determine how good or bad a player plays. You have watched them both and they both suck. McCarron sucks a bit less
I am not saying they are not trying to win each week. I'm pretty sure the staff is smart enough to realize this team is not going to win a championship this year and Allen is the long-term solution. Better him get the kinks out ASAP, rather than do this next year instead.