Fitter, happier, more productive: Arsenal could hardly have started the season better | Premier League

Three league games played, three games won. For Arsenal this season could only have started better if Manchester City, who look like being one of their two most serious challengers, had dropped points. But it’s not just about results: Arsenal have been comfortably the better side in each of those three games, approaching each of them in very different ways.

After the controlled victory over…