Is America's most popular sport also its most dangerous? – Titan Times
How Football Became America's Favorite Sport
The 10 Most Popular Sports in the USA — The Sporting Blog
Op-Ed: Is there something about Americans that makes us football addicts? - Los Angeles Times
Chart: Football in the Sheets, Basketball in the Streets
Soccer has overtaken ice hockey to become the fourth most popular sport in the US
Is American football America's most popular sport? - Quora
40 maps and charts that explain sports in America - Vox
America's Pastime: 20 Reasons Why Baseball Will Always Hail over Football, News, Scores, Highlights, Stats, and Rumors
Why Americans Love Football