Kansas City Chiefs win OT thriller as Patrick Mahomes, Josh Allen usher in new era for quarterbacks - The Washington Post
Chiefs rally past Buffalo 42-36 in OT in wild playoff game
Chiefs top Bengals 23-20 on last-second kick for AFC title
How Kansas City and the Rams Advanced in the NFL Playoffs - The New York Times
2021 AFC Divisional playoff game (Buffalo–Kansas City) - Wikipedia
NFL Overtime Rules Leave Fans Demanding Change After Chiefs-Bills –
NFL overtime rule 'kind of stinks,' but Chiefs, Bills shrug it off
Is the NFL's overtime rule fair? Chiefs-Bills game reignites debate
Reigning champion Chiefs dump Bills 38-24 in AFC title game
NFL playoffs: Chiefs edge Bengals for third AFC title in four years
The Bengals Upset the Chiefs in Overtime to Reach the Super Bowl - WSJ