Espanyol Front Office
Wu's jersey became Espanyol's top seller within 2 weeks of signing for the club.
Aaron Martin has a €40 million release clause with Espanyol.
Martin Demichelis joined Espanyol in the summer after leaving Manchester City.
Victor Valdes would likely become the first choice at goalkeeper ahead of Pau Lopez.
Pep Guardiola is a staunch supporter of the campaign for secession from Spain, while players such as Xavi and Gerard Pique believe Catalans should be allowed to vote in a referendum on the matter.