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.
Randall Bailey Randall Bailey (born September 13, 1974) is an American professional boxer. A veteran of the sport for over twenty years, he is a former two-weight world champion, having held the WBO light welterweight title from 1999 to 2000, and the IBF welterweight title in 2012. Additionally, he held the WBA interim light welterweight title in 2002. Nicknamed "The Knock-Out King", Bailey is widely considered to be one of the hardest punchers in boxing.