Nikolai Valuev is a two time WBA heavyweight champion, having first won the title from what boxer who competed from 1992 to 2010, and was the first Latino boxer to win a heavyweight title?
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.
Dmitry Pirog Dmitry Yurievich Pirog (Russian: Дмитрий Юрьевич Пирог ; born 27 June 1980) is a Russian former professional boxer who competed from 2005 to 2012. He held the WBO middleweight title from 2010 to 2012, and although his career was cut short due to a debilitating back injury, he is one of the few professional boxers to win a world title and retire undefeated.