Newcastle United’s squad could look very different ahead of next season. The club are reportedly hoping for a big rebuild of Eddie Howe’s squad at St James’ Park after a difficult season in which the options have been stretched. Still, whether or not Newcastle are able to completely revamp their playing staff remains to be seen under the looming threat of FFP limitations. Bruno Guimaraes and Alexander Isak are both being linked with a move away as the club potentially look to raise funds. The fact Guimaraes has a release clause does weaken Newcastle’s bargaining position, although there remain…