The Steelers have always been known to be a smashmouth offensive, strong defensive team.  The smashmouth portion of the persona, however, was slightly changed when Offensive Coordinator Bruce Ariens entered the Steelers' picture last season.  His style of offense caused quarterback Ben Roethlisberger to finish with the highest passer rating of his career.  Given what we already know about the Steelers, which division of the Steelers will perform the best this season, the offense, defense, or the special teams?