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.
Candelario Duvergel Candelario Duvergel (1963 - 17 June 2016) was an amateur boxer from Cuba. Duvergel is better known for winning 2 consecutive Pan American Games gold medals in the light welterweight division. Duvergel was renowned for his counter-attacking prowess. He won 8 Cuban national championships but he had trouble replicating his success in international competitions, despite regularly defeating other Cuban amateur champions like Juan Carlos Lemus. Duvergel defeated Shane Mosley in 1991. Duvergel never competed in the Olympics, as Cuba boycotted 1984 Summer Olympics and the 1988 Summer Olympics.