Rex Ryan will struggle to sell Greg Roman as Bills' scapegoat

playAdam Schefter explains why the Bills decided to fire offensive coordinator Greg Roman. (1:53)ORCHARD PARK, N.Y. -- Remember how Rex Ryan told his players he would be the "first m-----f----- that goes" if the Buffalo Bills didn't start to win this season?

So much for that.

Let's not mince words: Ryan was not true to his word. The Bills' head coach -- perhaps on his own, perhaps with pressure from management -- found a scapegoat for the Bills' 0-2 start by firing offensive coordinator Greg Roman on Friday.

Rex Ryan was not true to his word in saying he'd be the first to go should things go south for the Bills. But Greg Roman's firing leaves no doubt now that this is Ryan's team.Replacing…