... division in all of professional sports. For 50 years, the San Diego Chargers, Denver Broncos, Oakland Raiders and Kansas City Chiefs have played each other twice a season, every season. The original cities may have changed, but not the rivalry. There is no other division with a history quite like this one—which in truth is the AFL West, cleverly disguised.

Rarely, if ever, has one team had a clear advantage over its peers for an extended period. Every game in the AFC West is part of an ongoing battle for supremacy. With countless teams folding and moving in all sports over the natural course of time, a 50-year divisional lock down is rare. For a few seasons Seattle was included, but it never felt ...

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