During that time, he loaned to several clubs, including Royal Antwerp, Burnley, Rangers, Aston Villa and Sheffield United, before he joined Sunderland in January 2008 for a fee of £850,000.
During that time, he was loaned to several clubs, including Royal Antwerp, Burnley, Rangers, Aston Villa and Sheffield United. He joined Sunderland in January 2008 for an initial fee of £850,000.