The first figth
against world heavyweight champion
was held in Philadelphia on September 23, 1952. Walcott was in excellent shape and Marciano was knocked down for the first time in career in the first round. Walcott was ahead on points before round thirteen when a scary right to the jaw put his down and out. Fight was named Ring Magazine Fight of the Year
. In rematch on May, 15 1953 Rocky Marciano defended his world heavyweight title by knockout in the first round.