Loading page…
After two seasons in Turkey, the defender is back in Germany's top flight.
Dutch winger Ernest Poku swaps the Bundesliga for the Süper Lig in a season-long loan deal.
Serbian striker Dušan Vlahović is set to join Beşiktaş, ending his Juventus spell and reuniting with former coach Vincenzo Italiano.
Turkish giants Besiktas have opened talks with AC Milan for Rafael Leao after Mohamed Salah deal hits a snag.