Barcelona s former club president Josep Bartomeu was arrested on Monday
He is being investigated by Spanish police over an alleged smear campaign
It is claimed that he was involved in a campaign to tarnish reputations of past and present players who were speaking out against him during his presidency
Barcelona s CEO Oscar Grau, head of legal services Roman Gomez Ponti and Jaume Masferrer, who acted as an adviser to Bartomeu, have also been arrested