John Madden, former Hall of Fame NFL coach and broadcaster, dies at 85 - ABC News
Meet the giant brains behind 'Madden NFL '15'
Capturing Football's Snaps, Crackles and Pops in Madden NFL - The New York Times
Video Game Review: 'Madden NFL 11' still a solid football game, with a few changes
NFL players follow musical passion to create songs featured on Madden 24 video game
The NFL Keeps Itself Young Through Technology; 187M Seem to Agree
Madden 24 review: EA's NFL franchise has become the iPhone - Polygon
How John Madden Became the Face of a Video Game Empire - The New York Times
Madden NFL 23 does not meet the standards of simulation football that John Madden demanded
How John Madden Became the Face of a Video Game Empire - The New York Times