[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 Jersey Joe 
Walcott, Roland La Starza, .... Marciano won three more fights by knockout and 
then he met Ted Lowry... [DOC] [TLE] Jersey Joe Walcott - Wikipedia [PAR] Arnold Raymond Cream (January 31, 1914  February 25, 1994), better known 
as Jersey Joe Walcott, was an American world heavyweight boxing champion. 
He broke the world's record for the oldest man to win the world's heavyweight title 
when he ... On September 23, 1952, he defended his title for the second time. [DOC] [TLE] Rocky Marciano facts, information, pictures | Encyclopedia.com ... [PAR] Rocky Marciano is the only heavyweight boxing champion ever to retire without ... 
as champion from 1952 until his retirement. in 1956. He ranks among boxing's ... 
1952, Defeats "Jersey Joe" Walcott to become world heavyweight champion ... 
elements to throw the fight, Marciano won it in a knockout in the ninth round, and
... [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 ... the World Heavyweight 
Champion from September 23, 1952, to April 27, 1956. ... champion Rocky 
Marciano beat Jersey Joe Walcott for the title and won an unrivaled 49 straight 
fights. [DOC] [TLE] Heavyweight Action-Greatest 29-55 [PAR] Rocky Marciano 5'10, 182 (Heavyweight Champion 1952-1956) ... Best Fight of 
His Career: 1952 Jersey Joe Walcott 13-KO win. Rating Analysis: Rocky finished 
his career undefeated so many make a strong argument that he is the best. ... 
Had he beaten Max Baer I believe his place in boxing history would have been... [DOC] [TLE] Rocky Marciano - ItalyHeritage [PAR] Many experts believe he was the best boxer in history. ... His career went on at 
full speed with all 17 games won by knockout, including one ... He won the title of 
World Champion Heavyweight on September 23, 1952 in Philadelphia, ... 1952 - 
Rocky Marciano KOed 13 Jersey Joe Walcott I; 1953 - Rocky Marciano KOed... [DOC] [TLE] Rocky Marciano Killed in Crack-Up of Light Plane  Desert Sun 1 ... [PAR] far was that the engine conked out and they went down, said Hurley. ... retiring 
as undefeated heavyweight champ on April 27, 1956. He won the world 
heavyweight title by knocking out Jersey Joe Walcott in 13 rounds at Philadelphia 
on Sept. ... Marciano, son of a shoe factory worker, started his pro boxing career 
in 1947. [DOC] [TLE] Boxing champ appears on new stamps | Deseret News [PAR] Jun 11, 1999 ... Among his victims were Jersey Joe Walcott, Ezzard Charles and Joe Louis, the 
former heavyweight king who was past his prime when he was... [DOC] [TLE] The History Place - This Month in History: September [PAR] September 1, 1715 - The "Sun King" (King Louis XIV of France) died. He ... 
Birthday - Boxing champ Rocky Marciano (1923-1969) was born in Brockton, ... 
He fought Jersey Joe Walcott for the heavyweight title on September 23, 1952, 
and knocked him out. In 1956, he retired as the only undefeated heavyweight 
champion. [DOC] [TLE] Boxing History - 1950's - BoxingScene.com [PAR] July 18 - Jersey Joe Walcott, in fifth try at a heavyweight title, KOs Ezzard Charles
, seven rounds, Pittsburgh, to win title. He becomes the oldest to win the title at 
age 37. ... rounds, New York. Joe retires after the bout, this time permanently. 
1952 ... record, the only heavyweight champion to retire unbeaten throughout 
career. [DOC] [TLE] Remembering Rocky [PAR] Marciano retired from boxing on April 27, 1956  exactly 53 years ago on 
Monday  as the only undefeated heavy-weight champion in boxing history. ... 
23, 1952

Question: In 1952 he won the heavyweight boxing title by KOing Jersey Joe Walcott; he retired undefeated in 1956
Answer: Rocky Marciano