Should Kansas City Chiefs, Buffalo Bills or Detroit Lions be ranked No. 1 now? For first time this season, there's debate.

The Kansas City Chiefs won't go undefeated this year as they suffered their first loss on Sunday against the Buffalo Bills.

The Kansas City Chiefs are no longer undefeated after losing to the Buffalo Bills, 30-21, at Highmark Stadium on Sunday. The ...

Josh Allen and the Buffalo Bills took a big step toward their Super Bowl goal with a 30-21 victory over the Kansas City ...

Kansas City Chiefs fell to defeat for the first time in 15 games to the Buffalo Bills - and tight end Travis Kelce's ...

In the AFC, the Buffalo Bills knocked off the NFL's last undefeated team on Sunday afternoon. The Bills grabbed a 30-21 win ...

Josh Allen and the Bills have won four consecutive regular-season games against the Chiefs, but they know that's not what ...

Josh Allen ran for a 26-yard touchdown on fourth down with 2:17 left, sealing the Buffalo Bills’ 30-21 win over the Kansas ...

The Bengals have been waiting for a turnaround that might never come, as Cincinnati could be in too deep of a hole to mount a playoff push.

What a Sunday it was in the NFL! The Kansas City Chiefs lost for the first time this season on the road against Josh Allen and the Buffalo Bills -- and the win ...

Josh Allen's 26-yard touchdown run on fourth-and-2 with just over two minutes left sealed the Bills' 30-21 win in Orchard ...

The Kansas City Chiefs and the Buffalo Bills hit the field for one of many exciting matchups on the NFL’s Sunday slate in ...