The Bills impressed in the wild-card and divisional rounds, but in their defeat of the Baltimore Ravens, which earned them entrance into this week’s AFC Championship Game, they made mistakes that could be costly if repeated against the Chiefs.

We break down the biggest strengths and question marks in the Bills-Chiefs matchup, plus the X-factors that could make all the difference.

Chiefs quarterback praised Buffalo Bills quarterback Josh Allen for always bringing "great football" as the team gears up to face the rival for the AFC championship at Arrowhead Stadium.

Josh Allen shares a lighthearted take on a risky play against the Ravens while locking in for the AFC Championship against the Chiefs.