Remembering John Madden, the video game character - Los Angeles Times
John Madden appears on first 'Madden' cover since 2000 in tribute to late coach - KTVZ
The Madden Curse: Where Gaming, Football, and Superstition Collide
None Yards!: 30 Years Of John Madden In The Broadcast, 50% OFF
How John Madden Became the Face of a Video Game Empire - The New York Times
Madden NFL cover was just part of John Madden's influence on EA's video game series - The Washington Post
Madden NFL 23' cover reveal: John Madden returns to cover; late Hall of Famer's voice returns to game
John Madden: Career retrospective
How John Madden Became the Face of a Video Game Empire - The New York Times