2021 AFC Divisional playoff game (Buffalo–Kansas City) - Wikipedia
Buffalo Bills 36-42 Kansas City Chiefs: Patrick Mahomes throws walk-off TD in overtime to clinch win after epic battle with Josh Allen, NFL News
Kansas City advances to 4th consecutive AFC title game with thrilling OT win over Bills
Chiefs rally past Buffalo 42-36 in OT in wild playoff game
Bears 1st-and-10: Bills missed on Patrick Mahomes, too — with a far better outcome - Chicago Sun-Times
Chiefs 42, Bills 36 in OT, Game recap, highlights & photos
Buffalo Bills 36, Kansas City Chiefs 42: rapid reaction and notes - Buffalo Rumblings
Kansas City beats Buffalo 42-36 in OT in wild playoff game
How do the Buffalo Bills move on from heartbreaking loss to Chiefs?
Bills fight valiantly in another playoff loss in Kansas City
Chiefs rally past Bills in OT of wild playoff game
Is the NFL's overtime rule fair? Chiefs-Bills game reignites debate
Chiefs rally past Buffalo 42-36 in OT in wild playoff game, Sports
Chiefs rally past Buffalo 42-36 in OT in wild playoff game