The one coach who never had a losing season, John Earl Madden was an American football head coach for the Oakland Raiders. Madden recently passed away on December 28 this year. Let's have a look at the things he has achieved throughout his career.
Madden's Raiders beat the Minnesota Vikings at Super Bowl XI, making it the biggest achievement of Madden's career.
John Madden also won the NSMA National Sportscaster of the Year in 1984.