There is a lot of talk about Newcastle United having to sell their stars, and now one of their most important players could be the subject of interest from Bayern Munich. There has been plenty of speculation about Bruno Guimaraes being sold in the near future, while Alexander Isak is another major name who could leave the club for mega money. It comes at a time when profit and sustainability rules are hindering Newcastle and their ability to spend during the January transfer window. Now Bundesliga giants Bayern Munich are reportedly eyeing up one of the Magpies’ top stars, but it is not Bruno …