2021 AFC Divisional playoff game (Buffalo–Kansas City) - Wikipedia
Bills took a lead with 13 seconds left and still lost to Chiefs and the amazing Patrick Mahomes
Chiefs vs. Bills classic: NFL overtime rule under attack after Kansas City walks off on first-possession TD
Chiefs rally past Bills in overtime to complete thrilling weekend for NFL playoffs
Patrick Mahomes, Kansas City Chiefs prevail against Buffalo Bills, win dramatic AFC divisional-round game in overtime - ESPN
Patrick Mahomes leads Kansas City on epic comeback to knock off Buffalo Bills in OT, 42-36
The Grim Reaper and the Perfect Game: Patrick Mahomes vs the Bills
Patrick Mahomes goes 'Grim Reaper' as Kansas City Chiefs defeat the Buffalo Bills in epic back-and-forth overtime battle, National Sports
Chiefs-Bills Divisional playoff: 9 winners, 6 losers in Kansas City win - Arrowhead Pride