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See our coverage and analysis from Kansas City Chiefs' loss to the Bills

Stories by Kansas City Star journalists, with AI summarization

Check out our coverage of the Kansas City Chiefs' loss to the Buffalo Bills, including analysis on the KC offensive line, quarterback Patrick Mahomes and where the Chiefs are in the NFL playoff picture.

The report card from this matchup dives into some of KC's shortcomings, as the Chiefs struggled to contain one position more than any other. It's all left KC in a precarious spot, columnist Vahe Gregorian writes, just past the midway point of the season.

Christian Benford, left, of the Buffalo Bills puts Kansas City Chiefs quarterback Patrick Mahomes on his back during an NFL Week 9 game at Highmark Stadium in Orchard Park, New York, on Sunday, Nov. 2, 2025. By Jason Miller

NO. 1: HOW THE BILLS BEAT UP PATRICK MAHOMES — AND THE PART THE CHIEFS MUST CHANGE

The Chiefs had a sliver of a chance after halftime here in Orchard Park, N.Y., possessing the football and the game within seven points. | Published November 3, 2025 | Read Full Story by Sam McDowell

Buffalo Bills defensive end Greg Rousseau gets a handful of Kansas City Chiefs QB Patrick Mahomes’ jersey during an NFL Week 9 game at Highmark Stadium in Orchard Park, New York, on Sunday, Nov. 2, 2025. By Jason Miller

NO. 2: FIVE THINGS THAT STOOD OUT ABOUT THE CHIEFS’ LOSS TO THE BILLS IN BUFFALO

Give the regular-season round to the Bills. | Published November 3, 2025 | Read Full Story by Sam McDowell

Buffalo Bills running back James Cook holds up the ball as he reaches toward the end zone during an NFL Week 9 game against the Kansas City Chiefs at Highmark Stadium in Orchard Park, New York, on Sunday, Nov. 2, 2025. By Bryan M. Bennett

NO. 3: ‘GOT TO DO IT NOW’: WHY CHIEFS’ ROAD LOSS TO BILLS LEAVES THEM IN PRECARIOUS SPOT

Considering the Bills and Chiefs have had playoff encores of their regular-season meetings four of the last five seasons, no doubt the prospect seems inevitable again to many. | Published November 3, 2025 | Read Full Story by Vahe Gregorian

Kansas City Chiefs quarterback Patrick Mahomes (No. 15) is tackled by Bills defensive lineman Joey Bosa (No. 97) during an NFL Week 9 game at Highmark Stadium in Orchard Park, New York, on Sunday, Nov. 2, 2025. By Jason Miller

NO. 4: BILLS BEAT THE CHIEFS. KC JUST HAD TOO MANY PROBLEMS ON SUNDAY IN BUFFALO

The Buffalo Bills defeated the Kansas City Chiefs 28-21 on Sunday afternoon at Highmark Stadium. | Published November 3, 2025 | Read Full Story by Pete Sweeney

Buffalo Bills tight end Dalton Kincaid scores a touchdown against the Kansas City Chiefs during an NFL Week 9 game at Highmark Stadium in Orchard Park, New York, on Sunday, Nov. 2, 2025. By Bryan M. Bennett

NO. 5: BILLS’ TIGHT ENDS MADE THE DIFFERENCE VS. CHIEFS. WHAT KC DEFENDERS SAID ABOUT IT

In the locker room after Sunday afternoon’s 28-21 loss to the Buffalo Bills, several Kansas City Chiefs acknowledged the same reality — that the host Bills brought more energy and played the more physical game. | Published November 3, 2025 | Read Full Story by Pete Sweeney

Buffalo Bills running back James Cook III gains yardage with a leap against the Kansas City Chiefs during a Week 9 NFL game at Highmark Stadium in Orchard Park, New York, on Sunday, Nov. 2, 2025. By Bryan M. Bennett

NO. 6: CHIEFS REPORT CARD: BELOW-AVERAGE GRADES FOLLOW BELOW-AVERAGE AFTERNOON IN BUFFALO

The Chiefs played from behind for most of Sunday afternoon’s game and couldn’t quite catch up in a 28-21 NFL Week 9 loss to the Buffalo Bills at Highmark Stadium. | Published November 3, 2025 | Read Full Story by Blair Kerkhoff

Kansas City Chiefs quarterback Patrick Mahomes throws a pass against the Buffalo Bills during an NFL Week 9 game at Highmark Stadium in Orchard Park, New York, on Sunday, Nov. 2, 2025. By Bryan M. Bennett

NO. 7: A FOURTH-AND-17 CONVERSION? MAHOMES MAGIC RETURNED, BUT CHIEFS COULDN’T FINISH

On the first play of the fourth quarter, Bills defensive end Joey Bosa overpowered Chiefs left tackle Jaylon Moore and dropped quarterback Patrick Mahomes for a nine-yard sack. | Published November 3, 2025 | Read Full Story by Blair Kerkhoff

Josh Allen of the Buffalo Bills threw a pass to James Cook during the fourth quarter of Sunday’s game against the Kansas City Chiefs at Highmark Stadium on Nov. 2, 2025 in Orchard Park, New York. By Jason Miller

NO. 8: HERE IS WHAT BILLS PLAYERS, COACHES SAID ABOUT THE CHIEFS AFTER SUNDAY’S GAME

The Bills signed defensive end Joey Bosa during the offseason, bringing in someone very familiar with the Chiefs. | Published November 3, 2025 | Read Full Story by Pete Grathoff

The summary above was drafted with the help of AI tools and edited by journalists in our News division. All stories listed were reported, written and edited by McClatchy journalists.