He made his league debut on 22 September in a 1–1 home draw against Celta de Vigo, but finished his first season with only three appearances for the club.

In the following years, however, Basora was an undisputed starter, winning four titles from 1947 to 1949, including two national championships to which he contributed with 20 goals in 51 games combined under coach Enrique Fernández.

He was part of a legendary offensive line which also included César, László Kubala, Eduardo Manchón, Mariano Martín and Moreno, and scored the opening goal in the 1949 Latin Cup final, a 2–1 victory over Sporting Clube de Portugal.

[4] Basora represented the nation at the 1950 FIFA World Cup in Brazil, forming a formidable offensive partnership with Telmo Zarra.

On 26 January 1955, he appeared alongside Kubala and guest player Alfredo Di Stéfano in a game against Bologna FC 1909 at the Camp de Les Corts.