Not all too many of Newcastle United’s summer signings have worked out. While Lewis Hall is expected to join Newcastle on a permanent basis reasonably soon, the teenager is still honing his craft under Eddie Howe and is not yet deemed to be ready. Sandro Tonali, meanwhile, will not play again until next season as a result of his ban from football. Then there’s Harvey Barnes. Such has been the bad luck the club have endured this season, the winger suffered an injury medical staff hadn’t actually seen in football before, denying him of the chance to consistently impress. Tino Livramento, however…