Here's a report from ESPN, citing a "heated" back and forth between Howie Roseman and one of his assistants with Sean McDermott and ... up directly behind the snapper and receives the snap ...

Sean McDermott doesn’t seem to be a fan of the ... player from pushing a teammate lined up directly behind the snapper. NFL owners are scheduled to vote on the proposal during their stay in ...

Buffalo Bills head coach Sean McDermott was also apart of the conversation ... pushing a teammate who was lined up directly behind the snapper and receives the snap, immediately at the snap." ...