Question: What boxer defeated Sugar Ray Robinson and vacated his belt in 1953?

Context paragraphs:
Boxing Legends of the Ring: Boxing Legends of the Ring is a boxing video game for the Mega Drive/Genesis and Super NES consoles.  The boxers are represented by 2D sprites seen from over the shoulder of one of the fighters.  The title of the game refers to the famous boxing magazine, "The Ring", which the game is licensed to associate itself with.  The following famous middleweight boxers are represented in the game: Sugar Ray Leonard, Roberto Durán, Thomas Hearns, James Toney, Marvin Hagler, Jake LaMotta, Sugar Ray Robinson, and Rocky Graziano.

Dennis Powell (boxer): Dennis Powell (12 December 1924 - 27 May 1993) was a Welsh boxer who fought between 1946 and 1954.  Powell became Welsh area champion in both light heavyweight and heavyweight divisions in 1949, holding onto the heavyweight title until beaten by Tommy Farr in 1951.  He remained Welsh light heavyweight champion throughout his career and in 1953 he challenged for the British light heavyweight title vacated by Randolph Turpin, taking the belt after defeating George Walker.

Sugar Ray Robinson: Sugar Ray Robinson (born Walker Smith Jr.; May 3, 1921 – April 12, 1989) was an American professional boxer widely considered the greatest pound-for-pound boxer of all time.  Robinson's performances in the welterweight and middleweight divisions prompted sportswriters to create "pound for pound" rankings, where they compared fighters regardless of weight.  He was inducted into the International Boxing Hall of Fame in 1990.

Anthony Small: Anthony Small (also known as Abdul Haq) is a retired professional boxer and islamic political activist who was born 20 June 1981 in Lewisham, London, England.  He held both the British and Commonwealth belts at light middleweight.  His was also referred to as 'Sugar Ray Clay Jones Jr.' (SRCJJ), in homage to Sugar Ray Robinson, Sugar Ray Leonard, Muhammad Ali, and Roy Jones Jr..  Small converted to Sunni Islam at the age of 24.  He is active on his YouTube blog where he advocates for Sharia (islamic political ideology) to be implemented in Britain and is a follower of Anjem Choudary and a member of Al-Muhajiroun/Islam4UK.

Robert Villemain: Robert Villemain (January 10, 1924 in Paris, France - September 4, 1984 in Montfermeil, France ) was a French boxer.  Villemain defeated Hall of Famers Kid Gavilan and Jake LaMotta during his career.  He lost his Pennsylvania middleweight title to Sugar Ray Robinson in 1950.

Joey Archer: Joey Archer, (born February 11, 1938 in New York City, New York) is a retired American boxer.  Archer defeated Sugar Ray Robinson in Robinson's final fight in 1965 (by unanimous decision), and fought Hall of Fame boxers such as Emile Griffith and Dick Tiger.

Sugar Jackson: (Sugar) Jackson Osei Bonsu (born 3 March 1981, in Ghana) is a Belgian welterweight professional boxer of Ghanaian descent.  He started to call himself "Sugar" as a reference to Sugar Ray Robinson.  Jackson has, in recent times, gained a large following in the UK and US, and in early 2008 was voted the 'Official Overseas Fighter' of internet boxing forum Boxing Rebels, replacing the charismatic Bobby Gunn.

Joe Echevarria: Joe Echevarria (born in Mariveles, Bataan, Philippines) was Lightweight/Featherweight champion of the United States Army, United States Navy and of the Philippine Islands in 1929.  He was asked to and helped train and fought Sugar Ray Robinson for his first professional fight in Madison Square Garden which he lost to Sugar Ray Robinson by a knockout in the second round on October 4, 1940.  He never fought again.  Known as "Baby Face Eche or Kid Eche", Echevarria had served in the American Army at Westpoint where he was a cavalry instructor.  Josue Reyes Echevarria was the son of Brigadier General Leopoldo Life Echevarria who fought against the Japanese occupation of the Philippines during the First World War.

Randolph Turpin: Randolph Adolphus Turpin (7 June 1928 – 17 May 1966), better known as Randolph Turpin, and in the United States also as Randy Turpin, was an English boxer who was considered by some to be Europe's best middleweight boxer of the 1940s and 1950s.  In 1951 he became world middleweight champion when he defeated Sugar Ray Robinson.  Turpin was inducted into the International Boxing Hall Of Fame in 2001.

Gerhard Hecht: Gerhard Hecht (March 16, 1923 in Berlin, Germany – February 21, 2005) was a boxer.  Hecht fought for the middleweight championship against Sugar Ray Robinson in 1951.  The fight ended when Robinson hit Hecht in the kidney, and Hecht could not continue.  The fight was originally ruled a disqualification victory for Hecht but later changed to a no-contest.

Supporting paragraphs: Dennis Powell (boxer) Randolph Turpin
Answer: Randolph Adolphus Turpin