Since the NFL first introduced the wild-card round of the playoffs in each conference in 1978 with the addition of a second wildcard team, the extra round of the playoffs has led to increased upsets during the postseason.

Green Bay became the first No. 7 seed to win a postseason game last season, and they'll look to do it again in Philly on Sunday

Here is the full list of power rankings for every team in the playoffs and Wild Card weekend. The Houston Texans secured their second playoff berth early on, but the team has had problems with upper-echelon talent in the AFC. They were handily beaten by both the Baltimore Ravens and Kansas City Chiefs.