The strongest boxing rivalry in boxing history between two boxing titans is the one between male boxers from the Commonwealth of Puerto Rico and Mexico. Both sides' fan bases are involved in this fiercely competitive sports rivalry. In world title matches, Puerto Rico has the upper hand against Mexico.
PR 82 total victories 79 for men and 2 victories for women, as Amanda Serrano defeated Mercado and Erica Cruz to win the world championship titles and 70 wins for Mexico.
References
