Pittsburgh and Baltimore split their regular-season meetings, but it was clear who the real kings of the AFC North were on Saturday.
Los Angeles has a season-long strategy to practice responding to unpredictability, which Brian Flores' Vikings defense will certainly present.
Which teams will advance? Who will be the X factors? How do you watch each game? Here is everything you need to know.
Baltimore's success on the ground is something it can lean on as the Ravens try to win a Super Bowl for the first time since the 2012 season.