The NFL is a quarterback's league. If you need any proof of that, just look at the four teams that remain in contention for Super Bowl LI and the Lombardi Trophy.

Here's our look at what to watch for on championship Sunday.

Green Bay (10-6) at Atlanta (11-5)

Remember when the Packers were 4-6 and there was a major void between the quarterback and the head coach.

We didn't think so – believe it or not that was this season. But eight straight victories will solve a lot of problems.

This game will come down to the battle between Matt Ryan and Aaron Rodgers.

Neither defense is very good and both offenses are explosive, so if this isn't the highest scoring NFC Championship game in history we might be surprised.

The Packers do have an issue, though: their receiving core is depleted by injuries.

Those injuries give the Falcons an edge.

But it will still come down to one major issue. Can Ryan avoid the big mistake that has plagued him during these types of games? If he does, the Falcons should win. If not, well let's not talk about that.

The game kicks off at 2:05 Sunday afternoon on FOX.

Pittsburgh (11-5) at New England (14-2)

Ben Roethlisberger and Tom Brady are the stories in the AFC Championship Game on Sunday.

Only one time in the last 14 years has the quarterback that led the AFC team to the Super Bowl not been named Brady, Manning or Roethlisberger.

This should also be a great game, but it's hard to bet against Brady, especially at home. Like we mentioned last week the Patriots haven't lost a home playoff game since 2012.

Kickoff is set for 5:40 Sunday evening on CBS.