If you just looked at the regular season, Allen and the Bills have dominated Mahomes and the Chiefs, going 4-1. This years matchup in Buffalo on November 17th was a battle but, again, it was Allen and Bills pulling out a 30-21 victory -- on the legs of Allen's electric fourth quarter TD run to seal it and hand the Chiefs their first loss.

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.

Buffalo Bills quarterback Josh Allen has spoken about his Kansas City Chiefs counterpart Patrick Mahomes ahead of their meeting in the AFC Championship game on Sunday

The near annual playoff matchups between Patrick Mahomes and Josh Allen are hardly unprecedented. The one-sided nature of the postseason rivalry between the two star quarterbacks is more unusual.

Is Patrick Mahomes vs. Josh Allen already one of the great QB battles of NFL history? Josh Allen might need to win on Sunday to help cement its status.

Josh Allen's Bills will face Patrick Mahomes' Chiefs in the playoffs for the fourth time in five years. Here's a look back at the previous matchups (spoiler alert: Kansas City won them all).

Patrick Mahomes will get a chance to make history as the first NFL quarterback to ever win three Super Bowls in a row. Josh Allen will get the chance to beat the Kansas City Chiefs in the playoffs for the first time in four tries and bring his Buffalo Bills back to the Super Bowl for the first time since 1994.

NFL playoffs will see Patrick Mahomes' Kansas City Chiefs battle it out against Josh Allen's Buffalo Bills for a place in Super Bowl LIX, but Andy Reid knows that a player that proved crucial last year might be unavailable this time.

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.

SportsLine's Larry Hartstein revealed his Kansas City vs. Buffalo expert picks for Sunday's AFC Championship Game during the 2025 NFL Playoffs

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.