Sugar Ray Robinson (1921–1989) is frequently cited as the greatest pound-for-pound boxer who ever lived. He held the world welterweight title and the world middleweight title five times.

Career Highlights

• Professional record: 173 wins, 108 by KO, 19 losses
• Went 128 fights without a loss early in his career
• Defeated Jake LaMotta six times out of seven meetings

Style

Robinson combined blazing hand speed, devastating power, and exceptional footwork — a complete boxer-puncher who redefined what excellence looked like in the sport.

Reference:

Wikipedia: Sugar Ray Robinson

https://en.wikipedia.org/wiki/Sugar_Ray_Robinson