Midfielder who made his senior career debut in 2007 for Chelsea, and his international debut in 2013 for Scotland.
He played his youth soccer for Chelsea before joining the club's senior team.
While playing for Brighton & Hove Albion during the team's 2011-2012 and 2012-2013 championship runs, he was selected as the club's Player of the Season.
He was born in Reading, England. He and his girlfriend welcomed a son in 2014.
He was managed by Gus Poyet at both Brighton and Sunderland.