Undercard
The undercard included a young Mike Tyson knocking out Reggie Gross in the first round and Julio César Chávez (who would later beat Camacho, Ramirez and Rosario) defending his WBC world Jr. Lightweight title with a seventh round knockout of Refugio Rojas. Camacho was criticized by many Puerto Ricans because of the trunks he wore that day; he wore a Puerto Rican flag, but with the flag's white star to his back. This was seen by many as an unpatriotic act, although Camacho had always proclaimed to be proud of being a Puerto Rican, and has continued to proclaim so.
Read more about this topic: Hector Camacho Vs. Edwin Rosario