The Kansas City Chiefs' 32-29 win Sunday over the Buffalo Bills was the most-watched AFC Championship game in history with 57.4 million viewers on CBS, according to multiple reports.

Watch highlights from the AFC Championship Game between the Buffalo Bills and the Kansas City Chiefs during the 2024 NFL season.

It's the Chiefs vs. Bills in the AFC championship game. Follow for live score updates and stats with a spot in Super Bowl LIX on the line.

The actual sports part and storylines are incredible: Patrick Mahomes and Andy Reid are in their seventh consecutive AFC Championship Game; the Bills have a lifetime of heartbreak, including Buffalo leading Kansas City with 13 seconds left in a 2021 Divisional Round game before losing.

Our expert gives his 3 best bets to make now if you think the Eagles prevent a Chiefs three-peat on Super Bowl Sunday.

This new record for the most-watched AFC Championship game was nearly 58 million, which is an increase of 2 million compared to last year's AFC title game, which previously held the viewership record. It also slightly surpassed last year's NFC Championship, which aired later in the day — typically a time slot that performs better overall.

Jalen Hurts, Saquon Barkley and the Philadelphia Eagles will host Jayden Daniels and the Washington Commanders in the NFC championship game.

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The Buffalo Bills (13-4) and the Kansas City Chiefs (15-2) will play for the Lamar Hunt Trophy at the AFC Championship game this Sunday - and the winner will then face the NFC Championship winner at the Super Bowl LIX in February.

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