2021 AFC Divisional playoff game (Buffalo–Kansas City) - Wikipedia
How the Chiefs and Bills Set a Record for Playoff Thrills - The New York Times
Buffalo Bills vs Kansas City Chiefs - January 23, 2022
Chiefs Knock off Bills in Overtime to Advance to the AFC Championship - The New York Times
The Dolphins and the 49ers are off to record-threatening offensive starts
Buffalo Bills make playoff history with 7 touchdown drives in blowout win vs. New England Patriots - ESPN
Buffalo Bills vs Kansas City Chiefs - January 23, 2022
Nyheim Hines thrills for Bills; Lovie Smith goes out a winner: NFL notes and analysis
NFL scores and more, divisional-round playoffs: 32 things we learned
How Bills vs. Bengals led to the AFC Championship neutral site possibility