LEWISTON - MAY 25:  Sonny Liston (1932 - 1971) braces himself with his hands as he struggles to stand inside the ring after receiving a punch from Muhammad Ali on May 25, 1965 in Lewiston, Maine. Liston was heavyweight champion from 1962 until 1964 when he lost the title to Muhammad Ali in the first match. (Photo by Pictorial Parade/Getty Images)