The Kansas City Chiefs have won three of the last six Super Bowls, played in seven straight AFC championship games and won the AFC West nine consecutive seasons.

Patrick Mahomes and Andy Reid are two titles shy of the record 11 straight AFC East crowns Tom Brady and Bill Belichick hoarded when they were together in New England.

Yet, the Chiefs' grip on the division has never seemed more tenuous, and not just because they were humbled 40-22 by the Philadelphia Eagles in the Super Bowl that denied Kansas City an unprecedented third consecutive tickertape parade.

The Denver Broncos fortified an already elite defense spearheaded by the league's reigning Defensive Player of the Year in cornerback Patrick Surtain II and added several key targets for second-year QB Bo Nix , who came wi

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