Newcastle United have a problem with Bruno Guimaraes. For the first time in his Newcastle United career, consistent questions are being asked of Bruno Guimaraes and his performances. The 26-year-old has endured a pretty rotten start to the season. Bruno did well against Southampton on the opening day, but has struggled to excel since then. He made a major error during Newcastle’s 3-1 defeat to Fulham, with Bruno taking ownership of his mistake on social media after the game. Now wearing the captain’s armband, Bruno is not playing like the Toon talisman that he has always been since his arrival…