Roberto Durán Samaniego (born June 16, 1951) is a Panamanian former professional boxer who competed from 1968 to 2001. He held world championships in four weight classes: lightweight, welterweight, light middleweight and middleweight, as well as reigns as the undisputed and lineal lightweight champion, and the lineal welterweight champion. He is also the second boxer to have competed over a span of five decades, the first being Jack Johnson. Durán was known as a versatile, technical brawler and pressure fighter, which earned him the nickname of "Manos de Piedra" ("Hands of Stone") for his formidable punching power and excellent defense.

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