Versatile defender who signed with Chelsea in 2008 after spending two years with Lokomotiv Moscow. He joined the Serbian national team in 2005.
He began his career in the Serbrian Superliga with Remond in 2001.
With Chelsea, he won the 2009-10 Premiere League and the FA Cup.
He grew up in Sremska Mitrovica, Yugoslavia, then part of the Soviet-controlled Eastern Europe.
He won the UEFA Europa League Championship with Frank Lampard on Chelsea F.C. in 2013.