what disease does john madden have

 what disease does john madden have? John Madden died of unknown causes on December 28, 2021, believed to have suffered a heart attack. he is 85 years old.

John Madden is a former American football coach and sports commentator. The legendary American football icon won Super Bowl X with his Oakland Raiders as head coach, defeating his Minnesota Vikings.

The American football player who became an NFL coach and sports commentator suffered from various joint problems and stomach ulcers. In 2015, he underwent open-heart surgery to repair the blockage and died a few years later.