Russian professiona boxer Alexander Vladimirovich defeated Mexican heavyweight Javier Mora by how much?
Alexander Povetkin Alexander Vladimirovich "Sasha" Povetkin ( ; Russian: Алекса́ндр Влади́мирович Пове́ткин ; born 2 September 1979) is a Russian professional boxer who held the WBA (Regular) heavyweight title from 2011 to 2013. As an amateur he won a gold medal in the super-heavyweight division at the 2004 Olympics, gold at the 2003 World Championships, and consecutive gold at the 2002 and 2004 European Championships. Povetkin is known as a physically strong, hard-hitting and skilled pressure fighter.
Oscar Bonavena Oscar Natalio "Ringo" Bonavena (September 25, 1942 – May 22, 1976) was an Argentinian heavyweight professional boxer with a career record of 58 wins, 9 losses and 1 draw. A rugged, wild-swinging puncher, he was nicknamed "Ringo" because of his Beatles haircut, and enjoyed professional success in both Argentina and the United States. He is most famous for giving both Joe Frazier and Muhammad Ali tough battles.