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.
Jerry Quarry Jerry Quarry (May 15, 1945 – January 3, 1999), nicknamed "Irish" or "The Bellflower Bomber", was an American heavyweight boxer. Quarry was rated by "Ring Magazine" as the most popular fighter in the sport, from 1968 to 1971, during the peak of his career. His most famous bouts were against world champions Floyd Patterson, Jimmy Ellis, Joe Frazier, Muhammad Ali and Ken Norton. His professional career record of 53 wins-9 losses-4 draws included wins over some of the best heavyweights of his era, 1965–75. Quarry also had a remarkably successful amateur boxing career.