For the seventh year in a row, Patrick Mahomes and the Kansas City Chiefs are back in the AFC Championship Game. After knocking out the Houston Texans in the Divisional Round, the defending Super Bowl champs are only one win away from their third straight AFC title and fifth in six years.

But a secret weapon has emerged at the right time for Buffalo.  The extra offensive lineman.  Through two games in the playoffs, the Bills have utilized six (or more) offensive linemen on 28.5% of their 80 rush attempts.