John Madden: A coach synonymous with football, thanks to a video game - Polygon
John Madden, former Hall of Fame NFL coach and broadcaster, dies at 85 - Good Morning America
Raiders legend John Madden is king of sports gaming - Silver And Black Pride
John Madden: Legendary coach. Broadcaster. Video game icon. Get Up commemorates Madden's life
How NFL coach John Madden became the biggest name in video games
Ex-Raiders coach John Madden, NFL Hall of Famer and broadcasting legend, dies at 85
How did John Madden become one of the biggest names in video game history?
Remembering John Madden, the video game character - Los Angeles Times
NFL Hall Of Fame Coach And Former Grays Harbor Choker John Madden Dead At 85 - Grays Harbor College Athletics
Remembering Coach John Madden