Eddie Howe might have to show some tactical flexibility to solve the goal crisis at Newcastle United. The lack of goals being scored by Newcastle United this season will be ringing alarm bells for Eddie Howe. Newcastle have only scored eight goals in their eight Premier League matches so far – only five top-flight teams have scored fewer. Alexander Isak in particular has struggled during the early stages of the season and he lacked sharpness against Brighton after returning from his toe injury. Harvey Barnes remains Newcastle’s top scorer this season with three goals, which only adds to the co…