Mahomes, Chiefs beat Bills 42-36 in instant classic, KLBK, KAMC
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Bills suffer one of most gut-wrenching losses in history in OT to Chiefs
Kansas City Chiefs 42, Buffalo Bills 36: Final score, recap, highlights
Buffalo Bills 24, Kansas City Chiefs 20: Final score, recap, highlights
Final score: Chiefs handle Bills 38-24, win second straight AFC title - Arrowhead Pride
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2021 AFC Divisional playoff game (Buffalo–Kansas City) - Wikipedia
2021 AFC Divisional playoff game (Buffalo–Kansas City) - Wikipedia