GermanyPlaying career
10Celtic F.C.?–present
VfB Stuttgart?–present
Borussia Mönchengladbach2003–2008
Borussia Mönchengladbach II2003–2007
Germany national under-20 football team2005–2005
TSG 1899 Hoffenheim2008–2013
Germany men's national association football team2008–2008
ACF Fiorentina2013–2014
RB Leipzig2014–present
MSV Duisburg2019–present