KC’s defense had some good moments but also struggled, for the most part, slowing Buffalo’s pass offense behind Allen. Chiefs cornerback Chamarri Conner had the top highlight, intercepting Allen on fourth-and-3 in the second quarter and returning it 29 yards to set up a Gray 2-yard touchdown.

The Kansas City Chiefs traveled to face the Buffalo Bills in Week 11, and there was plenty to take away from the Sunday afternoon contest in Orchard Park.

The Kansas Chiefs lost to the Bufflo Bills 30-21 on Sunday night, dropping the Chiefs from the ranks of the unbeaten. The Chiefs are now 9-1 and the Bills improved to 9-2 on the year. For the Bills, Josh Allen was 27 of 40 passing for 262 yards and one touchdown.