[PAR] [TLE] John Ruiz [SEP] 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. [PAR] [TLE] Nikolai Valuev [SEP] Nikolái Sergéyevich Valúev (Russian: Никола́й Серге́евич Валу́ев ; born 21 August 1973) is a Russian former professional boxer who competed from 1993 to 2009.  He is a two-time WBA heavyweight champion, having first won the title from John Ruiz in 2005 and losing it to Ruslan Chagaev in 2007.  The following year, Valuev regained the now-vacant title in a rematch against Ruiz, losing to David Haye in 2009 in his final fight.
[PAR] [TLE] John Ruiz [ SEP ] 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 . [PAR] [TLE] Nikolai Valuev [ SEP ] Nikolái Sergéyevich Valúev ( Russian : Никола́й Серге́евич Валу́ев ; born 21 August 1973 ) is a Russian former professional boxer who competed from 1993 to 2009 . He is a two - time WBA heavyweight champion , having first won the title from John Ruiz in 2005 and losing it to Ruslan Chagaev in 2007 . The following year , Valuev regained the now - vacant title in a rematch against Ruiz , losing to David Haye in 2009 in his final fight .
Russian former professional boxer Nikolai Valuev first won in 2005 the heavyweight champion title from this American former professional boxer of which ethnicity?
Russian former professional boxer Nikolai Valuev first won in 2005 the heavyweight champion title from this American former professional boxer of which ethnicity ?
Latino
Latino