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

SportsLine's model has simulated both games 10,000 times and locked in its NFC, AFC Championship Game score predictions

For the seventh year in a row, Patrick Mahomes and the Kansas City Chiefs are back in the AFC Championship Game. After knocking out the Houston Texans in the Divisional Round, the defending Super Bowl champs are only one win away from their third straight AFC title and fifth in six years.