Russian former professional boxer Nikolai Valuev first won in 2005 the heavyweight champion title from this American former professional boxer of which ethnicity?
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.
Brian Vera Bryan Lee Vera (born December 28, 1981) is an American professional boxer who fights at super middleweight. He is best known for his memorable and notable victories over then-undefeated Andy Lee in 2008, former world champion Sergio Mora (twice, in 2011 and 2012) and Serhiy Dzinziruk in 2013. Vera currently trains in Cedar Park, Texas.