Real Madrid's official channel aired a segment more than 24 hours before the Clasico, comparing red cards and disallowed goals while invoking the Negreira case.
Real Madrid went into the Clásico on 25 October unhappy with the appointments of Juan Martinez Munuera as referee and Javier Iglesias Villanueva on VAR.
Arsenal won 2-1 at the Tottenham Hotspur Stadium after Martin Ho criticised the penalty that decided the game and said WSL referees need more support.
The Spanish Football Federation's referees committee has chosen Juan Martínez Munuera to officiate Barcelona v Real Madrid on 25 October.
Hansi Flick said he trusts the refereeing and wants to focus on Barcelona's preparation before the Clasico against Real Madrid at Camp Nou.
Fermin Lopez spoke before Barcelona's Sunday meeting with Real Madrid, addressing officiating, Hansi Flick's backing and his Ballon d'Or choice.
Fermín López spoke to RTVE before Barcelona's Clásico against Real Madrid, addressing the match, Madrid's threats, refereeing debate, his fitness and his Ballon d'Or choice.
Real Madrid's television channel aired a report before the Clasico at Spotify Camp Nou, alleging Barcelona receive more favourable refereeing treatment.
