For the second time in five years, the Buffalo Bills will take on the Kansas City Chiefs in the AFC Championship game. These two teams have separated themselves as the best in the conference. Patrick Mahomes and Co.

The actual sports part and storylines are incredible: Patrick Mahomes and Andy Reid are in their seventh consecutive AFC Championship Game; the Bills have a lifetime of heartbreak, including Buffalo leading Kansas City with 13 seconds left in a 2021 Divisional Round game before losing.

The Bills vs. Chiefs Championship game is this Sunday night on CBS and Paramount+, here's what you need to know.