English defender and midfielder who won the 2009–10 Football League Championship title with Newcastle United. He previously played for Tranmere Rovers and Wigan Athletic, being named to the 2004–05 Football League One PFA Team of the Year with the Rovers.
He was born in Liverpool, Merseyside and came up through the Tranmere Rovers youth squad before making his senior debut with the club at 18 years old.
He has a history of right knee issues and spent 26 straight months away from the game before returning in October 2014. He re-injured his knee less than a month later, leaving the pitch in tears.
He married a woman named Kimberley, with whom he has children.
He has been teammates with Fabricio Coloccini at Newcastle United.