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.
Kevin McBride Kevin Martin McBride (born 10 May 1973) is a retired Irish professional boxer who is best known for defeating Mike Tyson in 2005, in what would be the latter's final fight. As an amateur, McBride competed for Ireland at the 1992 Summer Olympics.