The AFC East proved to be one of the best and most competitive divisions in the conference last season. That distinction is not likely to change given how the teams have already managed to reload and fortify less than a week into free agency. What could change, however, is the pecking order from top to bottom. The Bills, while still the favorite, aren’t a lock to win their fourth straight division title as all of the teams below have their sights on making a move and unseating the champs.