Midfielder who joined the Queens Park Rangers in 2013 after spending two years with West Ham United.
He debuted professionally for Portsmouth in 2000 after coming up through the club's youth set-up.
He scored 8 goals in 109 appearances for Middlesbrough from 2007 to 2011.
He was born in Beckenham, England.
He and striker Charlie Austin both joined the Queens Park Rangers in 2013.