Boxer Muhammad Ali dies at 74

Muhammad Ali is held back by referee Joe Walcott after knocking out Sonny Liston in the first round of their championship bout in Lewiston, Maine, on May 25, 1965.
Muhammad Ali is held back by referee Joe Walcott after knocking out Sonny Liston in the first round of their championship bout in Lewiston, Maine, on May 25, 1965.