'This offseason, the Bills filled up the roster with fresh faces. New talent on the field will contribute to the team’s efforts to come out on top this year. While the defense is focusing on turning a complete 180, the offense wants to piggyback off of the same success they achieved last year as the No. 1 rushing team in the league. Having the rookies on their side will give the Bills the push they need to hopefully get over the playoff hump this season. But who will play the biggest roles in that effort?'