The Community Shield isn’t always a sign of things to come, but City’s form in their defeat to Arsenal is concerning in the wake of Pep Guardiola’s departure Sign up for our free newsletter here There are caveats. It was only the Community Shield – and no side has gone on to win the league after lifting the Community Shield since 2018. It was against the league champions, whose pre-season has involved far less strenuous travel than their own. By the time the season really gets going, there will…