Observations: Defensive breakdowns ruin Josh Allen's heroics, lead to one of most painful losses in Bills history
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Chiefs beat Bills in OT to advance to fourth straight AFC championship game - The Washington Post
Chiefs Knock off Bills in Overtime to Advance to the AFC Championship - The New York Times
Patrick Mahomes leads Chiefs past the Bills, back into Super Bowl - The Washington Post
Chiefs beat Bills in AFC Divisional Round overtime thriller to advance to fourth straight AFC Championship
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Bills vs. Chiefs score and reactions: NFL playoffs AFC Divisional result as Kansas City outlasts Buffalo and Josh Allen in OT - The Athletic
2021 NFL playoffs: What we learned from Chiefs' win over Bills in Divisional Round