Arsenal are back on track in the race for Barclay Premiership trophy, beating Crystal Palace, 2-1, while Chelsea’s disappointing start to the new season continued as the league champions lost to Manchester City 0-3.
Arsenal playing away from home scored first with a strike from Olivier Giroud.
Joel Ward equalised for the home team to ensure both teams were level as of half time.
However, an own goal by Damien Delaney helped secure vital three points for Arsenal who enjoyed better ball possession.
At the Ethiad Stadium goals from the Sergio Aguero, Vincent Kompany and Fernandinho contributed to Chelsea’s misery.