Manchester United have suffered yet another injury blow as it has emerged that Anthony Martial is set for a significant spell on the sidelines. After being missing for the past couple of weeks for Manchester United, there had been reports that Anthony Martial was consulting club doctors over an injury problem. Well, seemingly the club have decided to move forward with the surgery and the Frenchman is now facing yet another extended period of the season on the sidelines. The Red Devils attempted to move the striker on this month but his agent Phillipe Lamboley publicly denied this and stated Ma…