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.

The Buffalo Bills have been one of the NFL's dominant teams for the last five years. They've won 10 or more games in each of the last six seasons, and 11 or more for five straight. They've won at least 13 games three times in that span.

Here are five storylines to watch for during the lead up to Bills at Chiefs: