The 22 - year - old midfielder struggled under Hammers boss Slaven Bilic last season but has established himself as a first - team regular in the current Beşiktaş side and managed to break into the Turkishnational team.
The German national team has had a number of players with mixed heritage, from Turkish to Brazilian, who have in some way helped the side reach the pinnacle of the sport, including winning the 2014 World Cup.