The Kansas City Chiefs probably weren't going to win 12 games in a row to finish the 2025 NFL season, but this was a shocking loss to the Buffalo Bills.

Buffalo's defense, led by new pass-rusher Nick Bosa, showed the blueprint Sunday to defeating Patrick Mahomes. Will it carry over into the postseason?

Bills' tight end Dalton Kincaid is putting his drop in last season's AFC Championship Game behind him with a productive season.

The Buffalo Bills defeated the Kansas City Chiefs 28-21 on Sunday afternoon at Highmark Stadium. With the loss, Kansas City enters the bye week at 5-4. Here are some immediate observations from the Chiefs’ Week 9 NFL loss:

Travis Kelce turned back the clock for a vintage performance, making six catches for 99 yards and a touchdown. Patrick Mahomes doubled his interceptions this season with two in the first half, but made up for it with three touchdown passes in the second half.

For weeks, Sean McDermott has emphasized the Buffalo Bills’ need for their pass rush and coverage to work together in order to impact opposing quarterbacks. Far

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

Washington Commanders vs Kansas City Chiefs NFL Week 8 TV channel, how to watch on television, how to stream Monday Night Football game Oct. 27, 2025.

Kansas City will still face an uphill battle to overcome Buffalo's lead. Bills quarterback Josh Allen is putting on a dominant performance, and Chiefs defensive coordinator Steve Spagnuolo must find a way to put the clamps on the reigning MVP if Kansas City intends to win its sixth game of the season.