NFL Playoff Schedule 2013: Biggest Key to Each Divisional Round Game

Whether your favorite team is still in the NFL playoffs or not, there will be plenty of excitement in the divisional round matchups. The teams remaining are truly the best in the sport and are certain to provide entertaining battles as each squad looks to reach the conference finals. However, close games mean that the scores will be decided by small differences. Each side will be looking to get an edge, but there will likely be one factor that can change everything. Here is the biggest key to ea...