Question: What is the name of the boxer who fought in the 2009 Fight of the year and retired from boxing in 2011?

<P0-S0> Juan Manuel Márquez vs. Juan Diaz was a boxing lightweight title superfight, in a rematch of the 2009 Fight of the Year. <P0-S1>  Marquez, went to Diaz's hometown of Houston to face him at the Toyota Center in February 2009 in what turned out to be an all-action slugfest, one that Marquez won via ninth-round knockout. <SEP> <P1-S0> Wayne Elcock (born 12 February 1974) is a British former professional boxer. <P1-S1>  Who was managed by Frank Maloney at the start of his career and promoted by Panix promotions before moving after 2 winning fights to Frank Warren, then later to Mick Hennessy. <P1-S2>  Elcock was trained in Leicester to begin with by Jez brogan, before moving to London to be trained by both Frank Maloney and Alan Smith, along with several visits to america to build on his skills, where Wayne worked with Goody Petronelli the trainer of former world champions Marvelous Marvin Hagler and Steve Collins at his famous Brockton gym. <P1-S3>  Wayne came back to his home town to team up with Birmingham's most successful boxing trainers brothers Paddy & Tommy Lynch. <P1-S4>  Knocking out fellow contender Darren Rhodes in 1 minute 30 seconds in Elcocks homecoming and first ever fight with the Lynch brothers in Birmingham at a sold out Aston Events Centre, this setting up his first attempt at the prestigious British title Lonsdale Belt against Plymouth's Scott Dann (boxer) in the first British title fight to ever be scored by three judges, after defeat Wayne bounced back with two back to back knockout victories one of them a British title eliminator winning by TKO against Scotland's Lawrence Murphy, who was the only other boxer to have beaten Elcock, In Wayne's next contest he faced the English champion Steven Bendall who was to be yet another stopped, but this time over eight punishing rounds and setting up his next contest where he would become the first British boxer to beat long standing British champion Howard Eastman to win the coveted Lonsdale Belt in 2007, Elcock also won the Commonwealth title and the minor WBU World Middleweight title becoming the first Birmingham born fighter to ever hold a version of a World title. <P1-S5>  Elcock challenged for the IBF middleweight title against the unbeaten World champion Arthur Abraham on 8 December 2007, losing by a fifth round knockout. <P1-S6>  Wayne bounced back from his world title attempt defending the lonsdale belt with a TKO win against local Dudley rival Darren McDermott, before losing the next defence to fellow Birmingham fighter Matthew Macklin in the Battle of Brum Elcock retired at the age of 36 in 2009 to concentrate fully on his other business matters and today Wayne can be found mentoring in schools and behind the counter at Mad Dog's Boxing shop in Boldmere, Birmingham, as well as coaching in the evening at the multi award winning company Wayne Elcock's Box Clever and at his own amateur boxing club Wayne Elcock's Boxing Academy, located in Chelmsley Wood, not far from where he grew up. <SEP> <P2-S0> Danny Needham (May 20, 1867 - September 12, 1922) was an Irish-American boxer. <P2-S1>  Based in St. Paul, Needham started his pro boxing career by challenging lightweight bare-knuckle champion Tommy Danforth to a fight. <P2-S2>  The fight agreement stipulated that Needham needed to knock his opponent out to win the fight, so the fight was awarded to Danforth even though Needham was better than him through 8 rounds. <P2-S3>  Needham would become the lightweight champion of the Northwest in 1888 and he would controversially lose a bout for the lightweight championship of America. <P2-S4>  Around 1889, he made the jump to welterweight. <P2-S5>  One of his first fights in his new weight class is one of the longest boxing matches ever recorded, a 100 round fight against Patsy Kerrigan. <P2-S6>  The fight was declared a draw, with both men being in the brink of death. <P2-S7>  The following year, Needham would challenge Tommy Ryan for the welterweight world title. <P2-S8>  But he would end up losing after 76 rounds, in another one of the sport's longest matches. <P2-S9>  Needham moved to Alaska during the Klondike gold rush. <P2-S10>  He spent the final years of his life in the St. Peter State Hospital, before dying of throat cancer in 1922. <P2-S11>  He was inducted to the Minnesota Boxing Hall of Fame in 2013. <SEP> <P3-S0> Juan Díaz (born September 17, 1983) is an American professional boxer who held the unified WBA (Super), IBF, and WBO lightweight titles in 2008. <P3-S1>  He announced his retirement from boxing in 2011 to attend the University of Massachusetts Dartmouth Law School, but returned to the sport in 2013.