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?
Nikolai Valuev Nikolái Sergéyevich Valúev (Russian: Никола́й Серге́евич Валу́ев ; born 21 August 1973) is a Russian former professional boxer who competed from 1993 to 2009. He is a two-time WBA heavyweight champion, having first won the title from John Ruiz in 2005 and losing it to Ruslan Chagaev in 2007. The following year, Valuev regained the now-vacant title in a rematch against Ruiz, losing to David Haye in 2009 in his final fight.
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.