Chiefs' Patrick Mahomes says rivalry with Josh Allen has 'long way to go' before reaching Manning-Brady level
Reigning champion Chiefs dump Bills 38-24 in AFC title game
Chiefs proposed NFL playoffs OT rules changes before beating Bills
13 seconds: Communication an issue in Bills' blown lead in playoff game vs. Chiefs
Chiefs/Bills: The Game That Broke Football
Chiefs tried to change overtime rules after their playoff loss to the Patriots. Now those rules saved them. - Pats Pulpit
Kansas City Chiefs 42, Buffalo Bills 36: Final score, recap, highlights
Chiefs Advance In A Thriller
Working Overtime: How to Fix the NFL's Persistent Problem
In an incredible overtime win, the Kansas City Chiefs stun the Buffalo Bills and advance to AFC title game
Explained: NFL's new overtime rule for the playoffs - Los Angeles Times