The AFC and NFC conference championships are here! Sunday's slate starts with surging rookie quarterback Jayden Daniels and the Washington Commanders taking on the Philadelphia Eagles. Then the Kansas City Chiefs will host MVP contender Josh Allen and the Buffalo Bills.Our NFL Nation reporters bring us the biggest keys to both games, and analytics writer Seth Walder makes a bold prediction for each matchup. NFL analyst Matt Bowen identifies a key matchup X factor to watch, and staff writer Kevin Seifert tells us what to know about the officiating. The ESPN Research team also provides a big stat to know and a betting nugget for each contest, while our Football Power Index (FPI) goes inside the numbers with a game projection. Finally, three analysts -- Kalyn Kahler, Eric Moody and Walder -- give us final score picks for every game.Everything you want to know is here in one spot to help you get ready for a loaded weekend of NFL playoff football. Let's get into the full conference slate.