John Madden, Hall of Fame Coach and Broadcaster, Is Dead at 85 - The New York Times
How John Madden Became the Face of a Video Game Empire - The New York Times
Remembering John Madden, the video game character - Los Angeles Times
John Madden, Hall of Fame Coach and Broadcaster, Is Dead at 85 - The New York Times
The Madden Curse: myth or reality? - AS USA
Madden video game influenced 5 NFL players
John Madden, the star of EA's Madden NFL series, has died at 85
John Madden Honored With Cover For 2023 Video Game
Madden NFL 13, Madden Wiki