Chelsea boss Graham Potter is concerned that Reece James has suffered a recurrence of the injury which ruled him out of the World Cup.England full-back James looked distraught as he received treatment on the same knee he injured in October during Chelsea's 2-0 win over Bournemouth.There are now fears Chelsea could be without one of their key players for another extended spell.

Chelsea boss Graham Potter is concerned that Reece James has suffered a recurrence of the injury which ruled him out of the World Cup.England full-back James looked distraught as he received treatment on the same knee he injured in October during Chelsea's 2-0 win over Bournemouth.There are now fears Chelsea could be without one of their key players for another extended spell.