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.
Juan Manuel López (boxer) Juan Manuel "Juanma" López Rivera (born June 30, 1983) is a Puerto Rican professional boxer. He is a former two-weight world champion, having held the WBO junior featherweight title from 2008 to 2009, and the WBO featherweight title from 2010 to 2011. As an amateur he represented Puerto Rico at numerous international tournaments, including the 2002 Central American and Caribbean Games, the 2003 Pan American Games, and the 2004 Olympics. López was considered a knockout artist at his peak in the late 2000s and early 2010s.