Overview
- Sunday’s loss drops Kansas City to 5-4, leaving the team outside the current AFC playoff field after nine games.
 - Patrick Mahomes completed 15 of 34 passes, marking his first career game below 50% completions and snapping a 141-game run verified by OptaSTATS.
 - Buffalo disrupted Kansas City with 15 quarterback hurries and three sacks as Josh Allen completed 88% of his throws with three total touchdowns.
 - The Chiefs managed 305 yards with only three third-down conversions and 22 first downs, settling for two early field goals in a season-worst offensive outing.
 - Mahomes and leaders emphasized urgency and self-scouting during the bye week before facing division-leading Denver, then hosting Indianapolis.