Jonathan Joseph injury worry gives England a selection headache for Wales game

• England centre rated as only 50-50 to face Wales at Twickenham• Stuart Lancaster faces replacement choice from Farrell, Burgess and SladeJonathan Joseph is a major doubt for England’s World Cup Group A match with Wales at Twickenham on Saturday, leaving a selection dilemma in the centre, where they do not have a like-for-like replacement.While England are unable to match the length of the Welsh injury list, there are serious concerns over Joseph, who has been given a 50-50 chance of recovering from a chest injury. If he is unable to train n Thursday he will automatically be ruled out. Contin…