Have the Bills ever beaten the Chiefs in the playoffs? All-time record for this AFC rivalry
If Josh Allen wants to finally lead the Buffalo Bills to the Super Bowl, he's going to have to go through an old nemesis in the AFC Championship Game: Patrick Mahomes and the Kansas City Chiefs.
Why hasn't it happened?: CBS Sports' Tracy Wolfson gives insight into Chiefs' 3-peat bid
If Kansas City beats Buffalo and goes on to win Super Bowl LIX, the Chiefs will be the first team in NFL history to win three ...