Nikolai Valuev is a two time WBA heavyweight champion, having first won the title from what boxer who competed from 1992 to 2010, and was the first Latino boxer to win a heavyweight title?
John Ruiz John Ruiz (born January 4, 1972) is an American former professional boxer who competed from 1992 to 2010. He held the WBA heavyweight twice between 2001 and 2005, and is the first Latino boxer to win a world heavyweight title.
Carlos Negrón Carlos Negrón Colón (born March 5, 1988) is a professional boxer who competes in the cruiserweight division. As an amateur, he represented Puerto Rico at numerous international events. Among the achievements reached during this stage of his career are winning bronze medal at the 2006 Central American and Caribbean Games and winning gold in the first Olympic qualifier tournament.