A new midfielder may have to be on the agenda for Newcastle United this summer. With signings expected to arrive ahead of next season despite a frustrating time of things on the FFP front in January, Newcastle may have to strengthen their engine room. Indeed, while the club moved to do exactly that last summer by signing Sandro Tonali, the Italian is not able to play until into next season as a result of his ban. After so long out of action, it remains to be seen how Tonali returns. Bruno Guimaraes, meanwhile, has been frequently touted for an exit, along with teammate and fellow Brazilian int…