In his club career he started out with the youth team of West Ham, at the time he was said to be the hottest prospect in English football with Manchester united reportedly offering 10 million pounds for him as a 16-year-old. He signed for Chelsea in August 2003 for 6.6 million pounds, his debut was at the 13th of August 2003 against MŠK Žilina. He went on to win 3 BPLs and 2 FA cups with Chelsea. He then signed for Liverpool on a free transfer in July 2010 and debuted on the 5th of August 2010 against Rabotnički. On the 31st of August 2011 he signed for a season loan with Lille where he debuted against Saint-Etienne. After one year at Lille he rejoined Liverpool under a new manager, Brendan Rodgers just to leave again 6 months later returning to his first club, West Ham where he signed an 18 month deal in January 2013.