[DOC] [TLE] Rocky Marciano retires as world heavyweight champion - Apr 27 ... [PAR] On April 27, 1956, world heavyweight champ Rocky Marciano retires from boxing at age 31, saying he wants to spend more time with his family. Marciano ended his career as the only heavyweight champion with a perfect record49 wins in 49 professional bouts, with 43 knockouts. [DOC] [TLE] Rocky Marciano - Wikipedia [PAR] Rocky Marciano was an American professional boxer who competed from 1947 
to 1955, and held the world heavyweight title from 1952 to 1956. He went 
undefeated in his career and defended the title six times, against .... Marciano 
announced his retirement on April 27, 1956, aged 32. He finished his career at 
49-0. [DOC] [TLE] Rocky Marciano is the only undefeated Heavyweight champion [PAR] Marciano was a heavyweight from September 23, 1952, to April 27, 1956. ... 
When he retired he became the only heavyweight champion to finish his career 
undefeated. ... In July 1969, Marciano and Ali participated in the fictional boxing 
match... [DOC] [TLE] World heavyweight champion Rocky Marciano .. April 27, 1956 he ... [PAR] April 27, 1956 he announced his retirement from boxing. ... Marciano was the 
only undefeated heavy-weight champion in professional boxing history; held. 
Save [DOC] [TLE] World heavyweight champion Rocky Marciano .. April 27, 1956 he ... [PAR] April 27, 1956 he announced his retirement from boxing. Marciano, undefeated in 
49 professional bouts, said his wife Barbara influenced his decision to hang... [DOC] [TLE] April 27, 1956  Heavyweight boxing champion Rocky ... - Pinterest [PAR] April 27, 1956 he announced his retirement from boxing. ... Retires ! This Day in 
Boxing History April 27, 1956 - Undefeated World Heavyweight Champion Rocky 
... Marciano is the only champion to hold the heavyweight title and go untied and
... [DOC] [TLE] April 27, 1956  Heavyweight boxing champion Rocky ... - Pinterest [PAR] April 27, 1956  Heavyweight boxing champion Rocky Marciano retires ... 
Marciano is the only champion to hold the heavyweight title and go untied and 
undefeated ..... As an amateur he won gold representing Canada at the 1988 
Olympic... [DOC] [TLE] Video: Rocky Marciano Retires in 1956 :: All Funked Up [PAR] On April 27, 1956, one of the greatest heavyweight boxers of all-time retired as 
undefeated ... He's the only boxer in history to retire as undefeated champion. ... 
later become known as the "Brockton Blockbuster" when his boxing career took 
off. [DOC] [TLE] Rocky Marciano Dies in Light Plane Crash 1969 Boxing Newspaper [PAR] first and only heavyweight boxing champion to complete his career undefeated, 
was killed last night in a light ... his retirement April 27, 1956. His last ... ciano "
one of the greatest champs there ever was." He last saw Marciano a month ago. [DOC] [TLE] Today In Sports History: Rocky Marciano retires undefeated | Deep ... [PAR] Apr 27, 2016 ... On April 27, 1956, world heavyweight champ Rocky Marciano retires from boxing
. ... Marciano ended his career as the only heavyweight champion with a ... On 
October 26, 1951, Marciano signaled to the boxing world that he... [DOC] [TLE] Rocky Marciano.pdf - the henninger-barry family [PAR] In acknowledgement and recognition of the Boxing Hall Of Fame I ... is the only 
person to retire undefeated as a Heavyweight Champion throughout his career. 
He ... retirement on April 27, 1956, at the age of 32 with a perfect record of 49 
wins and 0 losses. He is the only Heavyweight Champion in the history of boxing 
to. [DOC] [TLE] 04-27-1956 - The New York Times [PAR] April 27,1956 NEW YORKRocky Marciano, iron-fisted son of a New ... retired 
today as undefeated world heavyweight boxing champion at the age of 31 to ... 
He has worn the heavyweight crown since he defeated Jersey Joe Walcott by a... [DOC] [TLE] 60 years ago, Brockton's Rocky Marciano retired undefeated [PAR] Apr 27, 2016 ... ... 60 years ago when boxing legend Rocky Marciano retired as if he were there. 
... The heavyweight boxer was undefeated when he retired April 27, 1956. ...

Question: On April 27, 1956 he retired as boxing's only undefeated heavyweight champ
Answer: Rocky Marciano