Super Bowl's 57 lessons: How Chiefs became champions once again
Dolphins-Bills: Top takeaways from Miami's blowout loss in Buffalo
Chiefs proposed NFL playoffs OT rules changes before beating Bills
Predicting the Chiefs' final record for the 2021 NFL season - Arrowhead Pride
How the Kansas City Chiefs and Buffalo Bills scored 25 points in 2 minutes - ESPN
What we learned this NFL offseason about all 32 teams - Sports Illustrated
Bills vs. Chiefs final score, results: KC wins OT thriller, reaches fourth consecutive AFC championship
How Bills' 13-second collapse was only tip of defensive problems in playoff loss to Chiefs
What we've learned about the Kansas City Chiefs in 2021
Patrick Mahomes leads Chiefs past the Bills, back into Super Bowl - The Washington Post
What We Learned in the Divisional Round of the N.F.L. Playoffs - The New York Times