Football
PSG sends five-page letter, dossier of refereeing errors to UEFA
10 years agoParis Saint-Germain's players celebrate after winning the UEFA Champions League round of 16 first leg football match between Paris Saint-Germain and FC Barcelona on February 14, 2017 at the Parc des Princes stadium in Paris. Lionel BONAVENTURE / AFP
The French club have employed experts, including former international referees, to analyse the match in which Barcelona overturned a 4-0 deficit from the first leg to win 6-1 and progress into the last eight.