1972 Miami Dolphins: The inside story of the only perfect season in NFL history
National Football League Draft - Wikipedia
NFL News - The New York Times
NFL's International Push Seeds Its Global Ambitions –
College football is the farm system for the NFL. Why are taxpayers funding it? - Los Angeles Times
NFL's International Push Seeds Its Global Ambitions –
The NFL's mission is to reach as many fans as possible - Sports Illustrated
BU Finds CTE in Nearly 92 Percent of Ex-NFL Players Studied, The Brink
NFL, Nike and Fanatics Expand Partnership Globally
UCLA study shows NFL jersey numbers impact performance - Los Angeles Times
NFL Week 1 Predictions: Our Picks Against the Spread - The New York Times