Newcastle United may be facing a difficult summer ahead. While there have been reports predicting a big rebuild at St James’ Park following such a difficult season this time around, it remains to be seen how far the budget can stretch given FFP issues. Newcastle, sadly, may have to sell one of their key players. Indeed, The Athletic recently claimed there was an acceptance behind the scenes that Bruno Guimaraes may have to go in order to fund a huge revamp of Eddie Howe’s squad. READ MORE: Who is Bruno Guimaraes? Meet Newcastle’s brilliant Brazilian lighting up the Premier LeagueGuimaraes hims…