Edwin Rosario Boxer
Edwin "El Chapo" Rosario (Spanish pronunciation: [ˈeðwin roˈsaɾjo]; March 15, 1963 – December 1, 1997) was a Puerto Rican boxer. He won the lightweight championship three times, as the WBC lightweight champion (1983–84), and the WBA champion (1986–87) and (1989–90). After moving up to the junior welterweight class, he won the WBA championship, holding the title from 1991 to 1992.
