The club was founded on July 8, 1945 under the name Club Deportivo Tampico soon after the club played a promotion match that would determine if the clubs acceptance in the Mexican Primera División against León match that ended in a 3–2 victory for the club. The first squad was made up by Goalkeeper, Eduardo Delgado, Humberto Escamilla, Florencio Carranza, Ernesto Olivares, Víctor Cardín, Teódulo Azuara, Fidel Menéndez, Carlos Pego and the Argentinians Juan José Sosa, Teodolindo Mourin nickname Pibe and Ernesto Candia, with José Castro el viejo noy, been the first manager in the club's history The first board of directors was made out by President Carlos González Avin and vice-president Alejandro Luna. It was on August 8, 1945 when the club officially join the Mexican Primera División building that same year the Parque España stands now.