Two years ago, the football analytics site Football Outsiders published a list of the NFL’s all-time top dynasties. Three Kansas City Chiefs teams — headlined by the 1966-1971 team that ranked 14th — were among the top 40.
A year later, the site published a list of the top anti-dynasties — that is, the teams with the worst extended periods of failure. Somewhat surprisingly, the 1974-1979 Chiefs team was the only one on the list — and it was ranked 53rd.
This year, FO’s Brian Knowles has been releasing a list that he has called “the Dynasties of Heartbreak.