Note that the Atletico president was given one as well, and he only held it up rather than wear it.
http://www.sport.es/default.asp?idpublicacio_PK=44&idioma=CAS&idnoticia_PK=486956&idseccio_PK=803
Could it be that Real Madrid are once again trying to win the title by off-the-pitch antics? Will their players now be given plenty of time to first take up their defensive positions before any opposition team is allowed to take a free kick?