The history of American sports mergers suggests we should have seen this coming, This is the Loop
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How the Saints Allowed the AFL-NFL Merger to Happen - Dawgs By Nature
A Brief History of the National–American Football League (1949-50) – – The Blog
AFL history: 45 years later, league still remembers rivalry with NFL - Sports Illustrated
On this day in 1969, a brand-new NFL took shape