The rivalry between the Kansas City Chiefs and Buffalo Bills dates back more than half a century, but it's been taken to new heights over the last few years, as two of the very best players in the league have developed a knack for running into each other when the stakes are highest.

When the Bills face the NFL’s reigning champion in Sunday’s AFC Championship, they will be bringing a new offensive wrinkle known as the jumbo package.

CBS Sports analyst Pete Prisco has made his Super Bowl prediction. Not only does he not have the Chiefs being in the Super Bowl and the Bills pulling off the AFC championship win, he has the Washington Commanders pulling off the upset over the Philadelphia Eagles as well.

The Chiefs have proven to be a big obstacle for the Bills on their attempts to reach the Super Bowl in recent years. Buffalo linebacker Von Miller even compared Chiefs quarterback Patrick Mahomes to another sports legend when it comes to his inevitable dominance: Kobe Bryant.

The Kansas City Chiefs are on the verge of making NFL history. Guided by the experienced Andy Reid and driven by the dynamic trio of Patrick Mahomes, Travis Kelce, and Chris Jones,

Kansas City Chiefs quarterback Patrick Mahomes has given his thoughts on the rivalry with the Buffalo Bills. The next installment of the rivalry between the Kansas City Chiefs and the Buffalo Bills will be written when the two meet in the AFC Championship. ... and Patrick Mahomes plans to be healthy enough to as usual serve as a difference-maker.

Will Josh Allen finally get over the Patrick Mahomes hump? Can Jayden Daniels carry the Commanders past Jalen Hurts' Eagles? Ben Arthur and Henry McKenna debate the conference title games.

Josh Allen and Patrick Mahomes have squared off eight times, with a ninth matchup set for this Sunday in the AFC title game.

Before they meet again, here's a look back at the eight epic matchups between Josh Allen and the Bills and Patrick Mahomes and the Chiefs.

Thursday, “The 13-Second Game” entered Chiefs Kingdom’s lexicon after the Kansas City Chiefs' stunning comeback against the Buffalo Bills in the 2021 AFC Divisional Round.

The Bills had critical takeaways against the Ravens, but there were problems on defense. Is Buffalo ready for Kansas City in the AFC Championship game?