Defender who began his professional career in 2006 with Hertha BSC II and made his international debut for Germany in 2009. He helped lead Germany to a World Cup title in 2014.
He began his youth career at Tennis Borussia Berlin before joining Hertha BSC II's youth system in 2002.
He was a member of Germany's 2010 World Cup team that finished in third place.
He played against his half brother, Kevin-Prince Boateng, in the World Cup.
He Philipp Lahm were teammates on the German national team.