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Chiefs vs. Bills NFL scores, live updates: Kansas City heads to Buffalo as top 2 AFC teams face off

The Patrick Mahomes-Josh Allen rivalry will write a new chapter on Sunday afternoon

Roger Staubach vs. Terry Bradshaw. Steve Young vs. Troy Aikman. Tom Brady vs. Peyton Manning.

Those quarterback matchups defined decades in the NFL, and for the eighth time in the past five seasons, Patrick Mahomes and Josh Allen will face off with the entire NFL world watching. The stakes couldn't be higher, either — at least for a regular-season game.

The Chiefs enter the matchup as the league's only remaining unbeaten team at 9-0, having found just about every possible way to win a game this season, while the 8-2 Bills have a giant lead in the AFC East and have ripped off five straight wins, scoring 30-plus points in the past four games.

Kansas City holds a 4-3 lead over Buffalo in the seven Mahomes-Allen matchups. The Bills have actually beaten the Chiefs each of the past three years in the regular season, but in January of 2021, 2022 and 2024, Kansas City knocked Buffalo out of the playoffs, including in Orchard Park on their way to a second straight Super Bowl title last season.

The Chiefs-Bills matchup gets its own marquee spot this Sunday — a 4:25 p.m. ET national start time on CBS. Fox will show either Falcons-Broncos or Seahawks-49ers, which are both set for 4:05 p.m. ET kickoffs to round out the afternoon slate.

(Byes: Buccaneers, Cardinals, Giants, Panthers)

Live23 updates
  • Chamarri Conner picks off Josh Allen on 4th down

    Its not just the 4th down stop, but Buffalo was in field goal range and chose to go for it, and after the return, the Chiefs are set up in plus territory with a chance to put some more points on the board.

     

  • Bills relentless pass rush forces another Kansas City punt

    Von Miller makes his presence felt with the 3rd down sack to electrify the Buffalo crowd.

  • A great day in Denver keeps getting better for the Broncos

    Marvin Mims takes the 3rd down swing pass into the end zone and puts the Broncos up two scores in the waning seconds of the second quarter.

  • Make that two for James Cook

    Hope you've hot Jimbo on your Yahoo Sports Fantasy Football roster this week, as the Bills retake the lead.

  • Denver is MOVING vs. Atlanta

  • Xavier Worthy gets Kansas City on the board

    This has been the Xavier Worthy game for K.C. on offense, so far. Worthy has four catches for 61 yards and this touchdown which, after the PAT, puts the Chiefs up 7-6 on the first play of the second quarter.

  • Chiefs pick up third down on takle-eligible pass

    I don't think backup lineman Mike Caliendo is available to add as a W/R/T in Yahoo Sports Fantasy Football leagues, but this was a big one to keep the Chiefs' drive alive.

  • Brock Purdy is working on his Lamar Jackson impression today

    Purdy already has a touchdown run and is leaving Seattle defenders in. the dust in this first half

  • Xavier Worthy snags a big one for 31 yards, to get the Chiefs into Bills territory for the first time

  • Denver increases lead vs. Atlanta with Javonte Williams TD

    And he was carried to the end zone by a caravan of Broncos as Denver now leads 14-3.

  • Seattle gets the takeaway!

  • Terrel Bernard forces Chiefs to punt

    Kansas City has run just four plays, and here's the 4th one — a sack by Bernard to force the punt and get the ball back to the Bills, who are off to a blistering start on both sides of the ball.

  • James Cook cashes in for Buffalo and the Bills take the early lead

    The Mahomes interception turns into 6 for the Bills as Cook closes the deal from three yards out. Buffalo has been in this spot before, having beaten Kansas City in the regular season in each of the past three years.

  • Amari Cooper picks up 30 with the one-handed stab

    The big gain got Buffalo deep into K.C. territory and in position to capitalize on the early Mahomes turnover

  • Brock Purdy flashing his wheels on this 10-yard touchdown run

  • Mahomes picked on the second play of the game

    Partick Mahomes tried to make some magic happen on this play, but Taylor Rapp came up with the pick to put Buffalo in business at the beginning of the first quarter.

  • Jaxon Smith-Njigba with the big play on Seattle's opening drive

    Seattle was able to go up 3-0 on this first drive in San Francisco

  • Denver marches for a score on their first drive

    Bo Nix was 4-for-5 on the drive with the 12-yard TD toss to Nate Adkins to close the 9-play, 70-yard drive.

  • A College Basketball General Manager is in the house in Buffalo

    Of all of the college hoops GMs in the country, this guy is (probably) the most famous. 💣🏀

  • Patrick Mahomes and Josh Allen both rallying their troops before kickoff in Buffalo

  • 49ers-Seahawks Inactives

  • Falcons-Broncos Inactives

  • Bills-Chiefs Inactives