Updated most popular NFL team by county map : r/MapPorn
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An Awesome Map Of Where Fans Of Each NFL Team Live
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How Widespread Is Your College Football Fan Base?
Which NFL Team(s) Make Sense for the L.A. Fan Base?
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Twitter map shows the most popular NFL teams in each county of the
NFL Teams by County : r/MapPorn
NFL fan map: Where are your team's followers?
Twitter's NFL fan map shows you where teams' fans are located
NFL fan map: Where are your team's followers?
Where Do NFL Fans Live? Mapping Football Fandom Across the U.S.