[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 ... Total fights, 
49 ... He won his first sixteen bouts by knockout, all before the fifth round, and 
nine before... [DOC] [TLE] Wladimir Klitschko - Wikipedia [PAR] Wladimir Wladimirowitsch Klitschko is a Ukrainian professional boxer. He is a 
former world heavyweight champion of three major sanctioning ... Klitschko's first 
reign as champion ended in an upset knockout loss to Corrie Sanders in ... total 
of any heavyweight boxer with 23 (including his initial reign as WBO champion),... [DOC] [TLE] Top 6 Greatest Unbeaten Boxers of All Times - TOTAL SPORTEK [PAR] Sep 15, 2015 ... Floyd money Mayweather, started his professional career in 1996 and by the ... 
his career with a 49-0 record and fought some of the greatest boxers in ... is 
unanimasouly considered the greatest Stawweight champion of all times. ... He is 
the only boxer in history to have a perfect knockout ratio having fight... [DOC] [TLE] 9 Greatest Undefeated Boxers of All Time - TSM Plug [PAR] Jul 3, 2014 ... ... of the best professional boxers of his time the undefeated champion. ... He 
went on top fight 49 times and win all of them which include 43 ... undefeated in 
his all boxing career Lopez ... His 50 wins inlcude 38 knockouts. [DOC] [TLE] Rocky Marciano - Boxer - Biography.com [PAR] Sep 17, 2015 ... American professional boxer Rocky Marciano beat Jersey Joe Walcott for the 
world heavyweight champion title. ... He then went on to win his first sixteen fights 
by knockout, all before the fifth round, and nine of them ... During his career, he 
won an unrivaled 49 straight fights, 43 of which were by knockout. [DOC] [TLE] Rocky Marciano: Is He a Top 5 All Time Heavyweight? - Cox's Corner [PAR] "Show me a fighter whose undefeated and I'll show you a fighter who hasn't 
fought anybody. ... Rocky Marciano is the only unbeaten and untied boxing 
champion in history. 49-0 is his legacy. Of his 49 wins 43 came by way of 
knockout. His knockout percentage of 87.75 is the highest among all 
heavyweight champions. [DOC] [TLE] ROCKY MARCIANO (1947-55). With 43 knockouts in his 49 fights for ... [PAR] With 43 knockouts in his 49 fights for a slugging average of 87.7%, The Rock 
was devastating ... Undefeated Heavyweight, Heavyweight Title, Undefeated 
Champ, Retire ... around the ring, he won 83 fights in his career including 30 
knockouts. ... American professional boxer Rocky Marciano beat Jersey Joe 
Walcott for the... [DOC] [TLE] ROCKY MARCIANO (1947-55). With 43 knockouts in his 49 fights for ... [PAR] With 43 knockouts in his 49 fights for a slugging average of 87.7%, The ... Rocky 
Marciano, the only world heavyweight boxing champion to retire undefeated, his 
49 .... Joe "Smokin' Joe" Frazier (1944 - 2011) Hall of Fame Professional Boxer. 
.... Won 49 Lost 0, 43 KO (UNDEFEATED) Rocky Marciano is one of the hardest... [DOC] [TLE] the Rocky Marciano v Muhammad Ali Super Fight - The Guardian [PAR] Nov 13, 2012 ... While Ali's career was being parked in a pallid wasteland for nearly ... His 49-0 
record, with 43 knockouts, remained pristine and unimpeachable. ... Moore was 
just as blunt: "Rocky didn't know enough boxing to know what a feint was. ... And 
now this all-time heavyweight championship fight is ready to go,... [DOC] [TLE] Top 10 Greatest Boxers of All Time [PAR] Sep 12, 2006 ... Ali is one of the greatest heavyweight boxers of all time. ... He could defeat all of 
the Heavyweight champions of that time and dominate the heavyweight boxing 
world in his ... He won all of his 49 matches among which 43 were by Knock Out. 
... In his career his fight against Tyson and Lweis are very famous. [DOC] [TLE] Rocky Marciano

Question: This heavyweight boxing champion won all 49 of his professional fights, 43 by knockout
Answer: Rocky Marciano