National Football League - Wikipedia
NFL to honor John Madden on Thanksgiving broadcasts
NFL honors John Madden with Thanksgiving Day commemoration
The Late John Madden Gets NFL Three-Network Thanksgiving Salute On His Special Day – Deadline
The Story Behind America's NFL On Thanksgiving Day Football Tradition
NFL To Start Annual John Madden Thanksgiving Day Tradition
NFL Explained: Evolution of Thanksgiving Games
NFL Thanksgiving: History behind Cowboys, Lions' annual holiday tradition
John Madden, legendary NFL broadcaster and Super Bowl-winning coach, dies at 85
NFL Archives - Page 2 of 62 - TV News Check
Inman: John Madden worthy of NFL Thanksgiving honors
The day John Madden met the turducken - ESPN
Dallas Cowboys - #TBT: if you balled like Emmitt Smith on Thanksgiving, you just had to enjoy a turkey leg from John Madden! 🍗 NFL, #DallasCowboys
John Madden, American Football Wiki