Russian former professional boxer Nikolai Valuev first won in 2005 the heavyweight champion title from this American former professional boxer of which ethnicity?
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.
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.