Which Cuban professional boxer ranked the sixth best active boxer beat out Kazumasa Tsujimoto in the Sydney Olympics?
Kazumasa Tsujimoto:  After having competed in the men's flyweight division (– 51 kg) in Atlanta, Georgia he changed weights, and fought in the bantamweight class (– 54 kg) in Sydney, Australia. Kazumasa Tsujimoto:  There he was stopped in the second round by Cuba's eventual gold medalist Guillermo Rigondeaux. Guillermo Rigondeaux: Guillermo Rigondeaux Ortiz (] ; born September 30, 1980) is a Cuban professional boxer. Guillermo Rigondeaux:  As of May 2017, Rigondeaux is ranked as the world's best super bantamweight by "The Ring", the Transnational Boxing Rankings Board, and BoxRec; "The Ring" also ranks him as the sixth best active boxer, pound for pound.
Guillermo Rigondeaux