John Madden's revolutionary impact, style will never be replicated - Sports Illustrated
John Madden - News - IMDb
Here are some favorite John Madden moments this Thanksgiving - The San Diego Union-Tribune
John Madden, NFL and broadcasting legend, dead at 85
Saturday, Sept. 10: 'NFL Icons' Season 2 Premieres With a Bio of John Madden
A Madden game changer: How Gordon Bellamy pushed the popular video game to evolve - The Athletic
The Sports Report: NFL and video game icon John Madden dies at 85
John Madden, NFL icon and video game star, has died - Los Angeles Times
John Madden, Hall of Fame Coach and Broadcaster, Is Dead at 85 - The New York Times
John Madden watched Fox Sports documentary days before death