Spielerkarriere
10RKC Waalwijk2001–2004
Netherlands national under-21 football team2002–2003
Hamburger SV2004–2006
Netherlands national association football team2004–2012
Chelsea F.C.2006–2008
Sevilla FC2007–2008
VfB Stuttgart2008–2012
Sporting CP2012–2013
Brøndby IF2013–2014
Feyenoord Rotterdam2014–2015