How John Madden Became the Face of a Video Game Empire - The New
Madden NFL 23' cover reveal: John Madden returns to cover; late
Why John Madden's return to Madden NFL cover was the 'perfect way
John Madden, NFL Hall of Fame coach and commentator, dies at 85
Remembering John Madden, the video game character - Los Angeles Times
Madden NFL 25 - Wikipedia
Madden NFL 23's Cover Star Is the Late John Madden Himself - IGN
The cheat code 20 years later: Michael Vick's lasting Madden
Remembering John Madden, the video game character - Los Angeles Times