The NFL Playoffs are all about star power, particularly when you're dealing with legends like Tom Brady and Peyton Manning. And yet, with four teams remaining, there are key wildcards to each team, game-breakers or game-makers. Maybe it's a guy who doesn't always show up, but when he does, he makes all the difference.
With the AFC and NFC Championship games set for Sunday, here are the wildcards to watch for.
NFL Championship Sunday X-Factors
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