After winning five national amateur championships in Puerto Rico, Trinidad debuted as a professional when he was seventeen, and won his first world championship by defeating Maurice Blocker to win the IBF welterweight title in 1993.
Trinidad debuted as a professional. He was seventeen. Trinidad won his first world championship by. Trinidad was defeating Maurice Blocker to win the IBF welterweight title in 1993. Trinidad was winning five national amateur championships in Puerto Rico.