Premise: Muhammad Ali ( [ ɑːˈliː ] born Cassius Marcellus Clay Jr. ; January 17 , 1942 -- June 3 , 2016 ) was an American professional boxer and activist . Clay then converted to Islam and changed his name from Cassius Clay , which he called his `` slave name '' , to Muhammad Ali . Nicknamed `` The Greatest '' , he was involved in several historic boxing matches . Muhammad Ali ( [ mɔːˈlɑːnə_mʊˈhɑːməd_ɑːˈliː ] محمد على ; 1874 -- 13 October 1951 ) was an Indian writer , scholar , and leading figure of the Lahore Ahmadiyya Movement .
Hypothesis: Muhammad Ali's given name was Rocky Balboa.
Label: CONTRADICTION