Juan Domingo Roldan is an Argentine former boxer whose nickname was Martillo (Hammer). Roldan was very famous across Latin America during the 1980s, many articles about him appearing on Ring En Espanol magazine.
Roldan, born in the Cordoba province, made his professional debut December 8, 1978 in San Francisco, Argentina, against Jorge Servin, winning by knockout in round one. His first four wins all came by first round knockouts.
On May 11, 1979, Roldan fought the full distance in one of his bouts for the first time, when rival Hugo Obregon went ten rounds with him. Roldan won the fight on points. On September 21, 1979, Juan Carlos Borgado became the first boxer to defeat Roldan, winning a ten round decision over Roldan.
This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article Juan Roldan