Newcastle United could be busy this summer. Though there has been talk of a major rebuild of Eddie Howe’s squad, it remains to be seen quite how heavily FFP limitations impact what the club can do over the next few months. While it’s only natural to focus on exactly who Newcastle may sign during the transfer window, potential outgoings are arguably just as big a story right now. Indeed, though no one will want to lose either Alexander Isak or Bruno Guimaraes, they have both been linked with moves away. In an ideal world of course, neither would go. Still, the club are reportedly looking to rai…