Beşiktaş Chairman Serdal Adalı and Board Member Mehmet Sarımermer, who is responsible for the Beşiktaş "Kartal Yuvası" stores, took part in the signing ceremony of the 2027 Spanish Super Cup held at the TFF Hasan Doğan Turkish National Teams Camp and Training Facilities.
 
The signing ceremony was attended by the Minister of Youth and Sports, Osman Aşkın Bak; the Minister of Culture and Tourism, Mehmet Nuri Ersoy; the President of the World Ethnosport Confederation, Necmeddin Bilal Erdoğan; the President of the Turkish Football Federation, İbrahim Ethem Hacıosmanoğlu; the President of the Royal Spanish Football Federation, Rafael Louzan; the Chairman of the General Entertainment Authority of Saudi Arabia, Turki Alalshikh; and the Presidents of Turkish Super League Clubs.