Newcastle United may be about to have a big summer. While it remains unclear as to exactly how far the transfer budget will stretch for Newcastle amid FFP constraints at the club, a rebuild has been predicted. It will be interesting to see what level of player the club are actually able to sign this summer, as well as those they can keep their hands on. Bruno Guimaraes, after all, has been linked with a move away – although Newcastle haven’t given up hope of keeping him. Alexander Isak is reportedly the player Eddie Howe wants to build around going forward but is believed to have interest from…