Time is running out for Newcastle United, in the best way possible. Indeed, while star midfielder Bruno Guimaraes has a release clause believed to be worth around £100m in his contract this summer, there have been suggestions it can only be activated until June 30. In fact, there were even recent claims from Brazil that a deal would need to be done by June 24. After that, Newcastle are free to reject any offers for the Brazil star, who is said to be relaxed about his future at St James’ Park. READ MORE: Who is Bruno Guimaraes? Meet Newcastle’s brilliant Brazilian lighting up the Premier League…