Bros and foes: Bills' Allen, Chiefs' Mahomes rivals, friends
Bills lose heartbreaker to Chiefs in OT, 42-36
Clues to the Bills' '13 seconds' meltdown and Josh Allen's remarkable brilliance: All-22 film review - The Athletic
Buffalo Bills 38-20 Kansas City Chiefs: Bills overcome lengthy rain delay to earn revenge win, NFL News
2020 NFL Season: Best of Bills-Chiefs AFC Conference Championship Game
Chiefs fans commemorate playoff win over Bills by donating tens of thousands to Josh Allen's charity
AFC title game will be at neutral site if Bills vs. Chiefs
Sullivan: As Bills fans dream of 16-1, AFC East looks tougher than anticipated
Bills vs. Chiefs score and reactions: NFL playoffs AFC Divisional result as Kansas City outlasts Buffalo and Josh Allen in OT - The Athletic
The NFL's new playoff overtime rules, explained
NFL Divisional Round game picks: Rams and Bills knock out last year's Super Bowl teams