Question: Which Cuban professional boxer ranked the sixth best active boxer beat out Kazumasa Tsujimoto in the Sydney Olympics?
Sentence (from "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.
Relevant evidence: Yes