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.

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.

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.

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.

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.

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.

Fittingly, the Kansas City Chiefs' pursuit of a three-peat will include yet another playoff showdown with their playoff rival. On Sunday, the Chiefs will face the Bills for the right to once again represent the AFC in the Super Bowl.

The highly anticipated matchup between the AFC heavyweights is expected to be one of the biggest games of the NFL postseason pitting Mahomes, who's in search of the coveted three-peat, against his quarterback rival in Allen, who's still looking for his first Lombardi Trophy.

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

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).

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.