Sampson Boxing Signs Undefeated Middleweight Jonathan “El Diamante” Esquivel to a Multi-Year Promotional Contract Latest News News Story Press Release Sampson Boxing Signs Undefeated Middleweight Jonathan “El Diamante” Esquivel to a Multi-Year Promotional Contract wban100@aol.com August 26, 2019 Sampson Boxing Signs Undefeated Middleweight Jonathan "El Diamante" Esquivel to a Multi-Year Promotional Contract Promoter Sampson Lewkowicz... Read More Read more about Sampson Boxing Signs Undefeated Middleweight Jonathan “El Diamante” Esquivel to a Multi-Year Promotional Contract
