Newcastle United may need to rebuild this summer. A big summer at the club has been predicted, albeit lingering FFP issues may make things difficult. Indeed, Eddie Howe has already suggested it will be “almost impossible” to completely revamp the Newcastle squad, one who have struggled to maintain any kind of consistency amid a rampant injury crisis. As a result, difficult decisions may have to be made. Bruno Guimaraes, after all, has been tipped as the player the club will sell to make headway on the FFP front and few would doubt that would be a huge blow for the club. While Jamaal Lascelles …