GettySoham MukherjeeIlkay Gundogan's agent hits back at shock claims midfielder wants to leave Barcelona and join GalatasarayIlkay GundoganBarcelonaTransfersLaLigaGalatasaraySuper LigIlkay Gundogan's agent has hit back at shock claims the midfielder wants to leave Barcelona and join Turkish giants Galatasaray.Article continues belowArticle continues belowArticle continues belowAgent refutes Galatasaray transfer talksInsists Gundogan is "happy" at BarcelonaMidfielder key to Xavi's plans Article continues below