The Kansas City Chiefs are no longer unbeaten, but they didn't seem much bothered by that, least of all quarterback Patrick Mahomes. "The undefeated thing was cool," Mahomes said after the Chiefs took their first loss of the season 30-21 against the Buffalo Bills on Sunday.

Follow along with score and in-game updates as the Bills host the Chiefs on Sunday afternoon at Highmark Stadium.

Josh Allen certainly made his case to be the MVP of the league, orchestrating the play that pushed the Buffalo Bills past the Kansas City Chiefs from the ranks of the unbeaten. Allen's 26-yard touchdown run late in the fourth quarter sealed Buffalo's 30-21 victory over Kansas City.