Ireland legend Paul McGrath has warned David Moyes that Wayne Rooney will come back to “haunt” Manchester United if he is allowed join Chelsea and questioned the wisdom of the club’s pursuit of Marouane Fellaini and Cesc Fabregas.

Paul McGrath has hit out at Robbie Keane’s critics and says there should be no question of the Republic of Ireland skipper not starting next month’s crucial World Cup qualifier against Sweden.