Remembering John Madden, the video game character - Los Angeles 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
The Madden Curse: Where Gaming, Football, and Superstition Collide
Madden NFL helped bring sports video games to the masses
The History of John Madden EA Video Game and the 'Madden Curse'
John Madden dies; NFL legend and video game icon was 85 - The Washington Post
Copy of 'John Madden Football' video game sells for world-record price: Here's how much it went for
How the Madden NFL video game dynasty can be traced to Bethesda Softworks' dynamic digital dots - The Washington Post
SBJ Marketing: The impact of John Madden
John Madden, the star of EA's Madden NFL series, has died at 85