Barcelona host Real Madrid in the first Clasico of the season at Camp Nou, with disputes over Javier Tebas, referees and the Negreira case adding to the buildup.
Enric Masip, an adviser to Barcelona president Joan Laporta, criticised Real Madrid before Sunday's Clasico over references to the Negreira case.
Al-Qadsiah requested foreign referees for their Roshn League meeting with Al-Hilal in Dammam, where the top two in the standings will meet in round 11.
Mikel Arteta addressed Graeme Souness' comments about Bukayo Saka and said Martin Zubimendi would be involved for Arsenal against Bayern on 21 October.
The Turkish Football Federation confirmed on Tuesday that Anthony Taylor has been appointed chairman of its Central Referee Board, succeeding Ferhat Gundogdu.
Graeme Souness criticised Bukayo Saka after Arsenal beat Nottingham Forest, accusing him of play-acting and saying Arsenal players pressure referees.
UEFA has appointed Romanian referee Istvan Kovacs for Real Madrid's Champions League game against Leipzig at the Santiago Bernabeu, with Tomasz Kwiatkowski on VAR.
