The German Football Association (DFB) says Mesut Ozil and Ilkay Gundogan have "let themselves be exploited" after posing for pictures with Turkish president Recep Tayyip Erdogan. Arsenal's Ozil and Manchester City midfielder Gundogan, who are both German internationals born in Gelsenkirchen and of Turkish origin, met Erdogan in London on Sunday alongside Everton striker Cenk Tosun.All three handed Erdogan, who has been president of Turkey since 2014 having previously served as prime minister since 2003, signed shirts from their clubs. Erdoga