Chelsea scouts have now reportedly told the club which striker they should sign in the summer. Nicolas Jackson is currently the main centre-forward in Mauricio Pochettino‘s squad. The 22-year-old has made 32 appearances in all competitions this season and scored 12 goals, which is not the worst return. However, outside of Jackson, Pochettino does not have too many other options. Christopher Nkunku can play up front, but the Frenchman is not a natural striker and is currently out injured, while Armando Broja joined Fulham on loan during the January transfer window. Chelsea recently pocketed £4m…