A big summer is being predicted for Newcastle United. Though the January transfer window proved arduous for Newcastle amid FFP frustrations behind the scenes, things may be different come the end of the season. Indeed, a big summer rebuild at St James’ Park has been predicted. One area that could surely do with a rejuvenation is in midfield. It remains to be seen how Sandro Tonali returns from missing so much action, while key players are being linked with moves away. Both Bruno Guimaraes and Joelinton have been touted for exits this summer, which perhaps explains why a Premier League midfield…