By Jonathan Wilson The first statement of the season belongs to Darwin Núñez and Liverpool after their triumph over Erling Haaland and Man City in a showcase for the new signings. View the original article to see embedded media. It’s the Community Shield. It’s essentially a preseason friendly. A losing side can happily write off the defeat. The winning side can find itself under pressure within a couple of weeks of the league season. It doesn’t matter. And yet no game between Manchester City and Liverpool is entirely without meaning. The battle between Pep Guardiola and Jürgen Klopp, the Premi…