2021 AFC Divisional playoff game (Buffalo–Kansas City) - Wikipedia
How Kansas City and the Rams Advanced in the NFL Playoffs - The New York Times
Bills keeping calm after victory over Chiefs: It's not like we won the Super Bowl - AS USA
Buffalo Bills vs Kansas City Chiefs: Huge rematch in AFC playoffs
Buffalo Bills vs Kansas City Chiefs: Huge rematch in AFC playoffs
NFL game predictions, Bills vs. Chiefs
Bills 38-20 Chiefs (Oct 10, 2021) Game Recap - ESPN
Allen, Bills beat Chiefs 38-20 in AFC title game rematch
KC Chiefs lost 38-20 to Buffalo Bills in 10/10/21 NFL game
Bills' skill players much healthier for playoff rematch vs. Chiefs (What we're watching)