It's been two years of Chiefs dominance ever since — and Kansas City has the chance to pull off the first three-peat of the Super Bowl era. It also featured several controversies involving officials with replays, missed calls and rule interpretations that lead to that assumption that the Chiefs always get their way.

The head of the union representing NFL officials called allegations that officiating crews are biased in favor of the Kansas City Chiefs or any other team “insulting and preposterous.”