Claim: Servílio de Oliveira (born May 6, 1948 in São Paulo) is a former Brazilian Olympic champion, who compiles a 19-0 professional boxing record.
Evidence: Servílio Sebastião de Oliveira (born May 6, 1948 in São Paulo) is a former Brazilian Olympic champion. He made a comeback and won two bouts in 1977, then re-retired with a record of 19–0.