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.

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

A Super Bowl rematch between the Kansas City Chiefs and the Philadelphia Eagles is around the corner after this weekend’s conference title games - one of which set an audience record while the other underperformed fairly significantly.

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.

The Kansas City Chiefs are going to the Super Bowl for a third consecutive year after beating the Buffalo Bills in a hard- fought AFC championship game.

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

It was another close call, but this was more subjective. The Chiefs had fourth-and-16 trailing 25-23 late in the game, and on their last chance Patrick Mahomes threw deep. Bengals rookie safety Daijahn Anthony was called for pass interference. Kansas City kicked a field goal to win the game after that.

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.

Buffalo Bills vs Kansas City Chiefs odds for NFL playoff AFC championship game, including point spread, moneyline, over/under for betting 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.