Chiefs tried to change overtime rules after their playoff loss to the Patriots. Now those rules saved them. - Pats Pulpit
Bills-Chiefs Game Is Most-Watched NFL Playoff in 5 Years
Bills-Chiefs neutral site AFC Championship Game in play; Bengals avoid coin toss with win over Ravens
NFL playoffs bracket: Preview, schedule, Super Bowl odds, more - ESPN
Chiefs vs Bills: Patrick Mahomes goes 'Grim Reaper' as Kansas City defeats Buffalo in epic back-and-forth overtime battle
CBS Draws 50M Viewers For Epic NFL, CFB Slate
2021 AFC Divisional playoff game (Buffalo–Kansas City) - Wikipedia
Josh Allen and Patrick Mahomes Are Hitting Their Stride—for an Epic Playoff Duel - WSJ
NFL Week 5 Recap: What We Learned About Every Team, Game by Game - Sports Illustrated
Kansas City Chiefs 42, Buffalo Bills 36: Final score, recap, highlights