Guasch's grandfather, José Guasch, was a Catalan politician, mayor of L'Espluga de Francolí during the Spanish Second Republic and, after fleeing to Northern Catalonia due to the outbreak of the Spanish Civil War, he was taken prisoner to the Argelers concentration camp.

Wanting to open a butchery, he asked for a loan for USAP, however, the latter refused and XIII Catalan supported his initiative if he played rugby league, which was what he did.

The Rugby League authorities complimented Guasch for his "leadership skills".

[6] In 2000, two great French clubs, XIII Catalan and Saint-Estève, merge to form Union Treiziste Catalane, which dominated the French Rugby League Championship, later the club became Catalans Dragons before its integration into Super League, becoming in 2006 the only French elite team in the Northern Hemisphere.

[7] Since the late 2010s, it was attributed to him the wish to "create a moral agreement with USA Perpignan, done like on the other side of the Channel[8]".