With Mahomes struggling, the Chiefs saw their three-game winning streak snapped by the Bills. Kansas City fell to 5-4 after the loss and have fallen out of the playoff picture in the AFC now that the NFL season has moved past the midway point.

The Chiefs (5-4) have lost five straight regular-season meetings against Buffalo. But they're 4-0 when facing the Bills in the playoffs since the 2020 postseason, including a win in last season's AFC championship game.

Josh Allen excelled with 88.5% completion, while Patrick Mahomes had a career-low 44.1% completion rate.

The Bills and Chiefs faced off in an epic AFC showdown in Week 9. USA Today Sports provided the latest updates and more from the matchup.

In a statement win over the Baltimore Ravens, the Kansas City Chiefs' offense looked as good as it's ever looked, and they were playing cohesively for the entire duration of the game. Chiefs doubters may hesitate to say they're back to their usual form ...

The latest iteration of AFC armageddon takes place Sunday afternoon at Highmark Stadium when the 5-2 Bills host the 5-3 Chiefs in a game that, as always, figures to have huge ramifications down the line when it comes to deciding division races and conference playoff seeding.

Star quarterback Patrick Mahomes was listed on the Kansas City Chiefs' initial injury report for Week 6 ahead of their tilt against the Detroit Lions at Arrowhead Stadium on 'Sunday Night Football.' Mahomes has been dealing with a groin injury, but it didn ...

While keeping a positive game script, the Bills out-physicaled the Chiefs and won the line of scrimmage. Running back James Cook went over 100 yards, and establishing that helped Bills quarterback Josh Allen gash the Chiefs defense on another of its weak points this season: play action.