Mexico–Puerto Rico boxing rivalry

The rivalry between Puerto Rican and Mexican boxers is recognized as one of the most intense in boxing history. Originating in 1934, this rivalry has been watched by fans across multiple generations. Over the years, both nations have raised numerous fighters who have competed in boxing matches against each other including Julio Cesar Chavez, Felix Trinidad, Oscar De La Hoya, Miguel Cotto, and Hector Camacho. It has said to have started when Sixto Escobar became the first Puerto Rican champion by knocking out Mexican champion Rodolfo "Baby" Casanova.
In world title matches, Puerto Rican boxers hold a slight statistical advantage over their Mexican rivals, with Puerto Rico achieving 84 wins compared to Mexico with 74 wins. The most recent matchups resulted in Mexico’s Nunez defeating Puerto Rican Diaz on 9/6/2025 and Mexican American Anthony Olascuaga defeating Puerto Rico’s Juan Carlos Camacho.