Maro Itoje suffers injury blow as Six Nations campaign looms

• England and Saracens lock has chipped bone in knee• Itoje to miss European double-header against Cardiff BluesMaro Itoje’s participation in England’s Six Nations opener against Ireland has been placed into question by a chipped a bone in his knee. The Saracens lock sustained the initial injury in camp with England during the autumn internationals and, despite playing for both club and country since, a scan has revealed the extent of the injury.Itoje is the latest player to pick up an injury during an England camp, joining Jack Nowell as a casualty of the autumn, but his two subsequent appear…