The Most Popular NFL Teams by County, State
The Carolinas' Divided NFL Loyalties WFAE 90.7 - Charlotte's NPR News Source
The League: The Rise and Decline of the NFL: Harris, David: 9780553051674: : Books
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NFL Team Loyalty in the United States [1280x820] : r/nfl
Map of America's Favorite College Football Teams using data from over 8 million Twitter followers (October 2022) : r/CFB