Bruno Guimaraes has rarely put a foot wrong since joining Newcastle United, but I think he made a mistake on Saturday night. The 26-year-old was involved in Newcastle United’s FA Cup exit to Manchester City, with Eddie Howe’s side losing 2-0 at the Etihad Stadium. It means that silverware is out of the question for Newcastle this season, as the wait for a trophy goes on. It also means that this season will definitely be worse than last year, as there is no way we are going to qualify for the Champions League. Newcastle are struggling in the Premier League, and sit 10th with 10 games to go. But…