Renowned for his classy and flamboyant lifestyle outside the ring, Robinson is credited with being the originator of the modern sports ' entourage'. He was named the best boxer of all time, pound for pound, by the International Boxing Research Organization (IBRO) in both of its all-time ratings, in 20.

As of November 2021, BoxRec ranks Robinson as the greatest boxer, pound-for-pound, of all time. Historian Bert Sugar ranked Robinson as the greatest fighter of all time and in 2002, Robinson was also ranked number one on The Ring magazine's list of '80 Best Fighters of the Last 80 Years'. Robinson was named 'fighter of the year' twice: first for his performances in 1942, then nine years and over 90 fights later, for his efforts in 1951. He then became the first boxer in history to win a divisional world championship five times (a feat he accomplished by defeating Carmen Basilio in 1958 to regain the middleweight championship). He retired in 1952, only to come back two-and-a-half years later and regain the middleweight title in 1955. Robinson held the world welterweight title from 1946 to 1951, and won the world middleweight title in the latter year. From 1943 to 1951 Robinson went on a 91-fight unbeaten streak, the sixth-longest in professional boxing history behind Pedro Carrasco with 93, Jimmy Wilde with 95, Buck Smith with 102, Packey McFarland with 104, and Young Griffo with 107. He turned professional in 1940 at the age of 19 and by 1951 had a professional record of 129–1–2 with 85 knockouts. However it has been reported he lost to Billy Graham and Patsy Pesca as a teenager under his given name, Walker Smith Jr. It is usually listed as 85–0 with 69 knockouts, 40 in the first round. Robinson was a dominant amateur, but his exact amateur record is not known. He is often regarded as the greatest boxer of all time, pound-for-pound. He was inducted into the International Boxing Hall of Fame in 1990.

(– April 12, 1989), better known as Sugar Ray Robinson, was an American professional boxer who competed from 1940 to 1965.

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