' In particular, Shaq Lawson and Reggie Ragland should step right into the starting lineup from Day One. But overall, does that mean the Bills have improved? ESPN's John Clayton does not see it that way. In fact, Clayton ranks the Bills fifth on a list of teams that have regressed this offseason, pointing to the departures of Mario Williams, Nigel Bradham, Leodis McKelvin and Percy Harvin from the defense as the main reason.'