Member of the Pro Football Hall of Fame who spent his entire 13-year NFL career with the St. Louis Cardinals. After retirement, he went on to become a popular football commentator for CBS and ABC.
He was a 1970 consensus All-American at Michigan; he was also a member of the Kappa Sigma fraternity.
He was a six-time Pro Bowl selection, and his peers named him the best offensive lineman in the NFL three times.
He was born in 1949 to John and Evelyn Dierdorf; he fathered four children with his wife, Debbie.
He called Monday Night Football games with the great Frank Gifford.