All week the build-up to Barcelona’s visit to Atletico Madrid on Saturday night had centred on the difficult political situation in Spain, with a push towards independence in Catalonia, and the central authorities in the capital pushing back.

The death of a Deportivo La Coruna ‘ultra’ in fighting before last Sunday’s La Liga match at Atletico Madrid has led to attempts at expelling all such radical ‘supporters’ from the Spanish game.

Former Celtic goalkeeper Francisco Sanchez Broto has blamed Spain coach Luis Aragones for the racism row which has engulfed his country.