|Muhammad Ali hams it up with Sir Henry Cooper in this file photo. (Handout)
London, England - Former British heavyweight Henry Cooper died Sunday at the age of 76.
Cooper is best known for knocking down Cassius Clay, later known as Muhammad Ali, in 1963 at Wembley Stadium.
Cooper finished his boxing career with a 40-14-1 record to go with 27 KOs. He held British, Commonwealth and European heavyweight titles.