Alex Oxlade-Chamberlain's sweetly struck shot was the difference between the two sides in today's Community Shield as Arsenal ran out 1-0 winners against Chelsea at Wembley.

All eyes were on Petr Cech as he made his debut for the Gunners against his former team, but the stopper was rarely called into action, only to punch away an Oscar free kick much to the delight of the red half of the stadium.

Wenger will be buoyed by his side's performance and finally getting one over on Mourinho - something which has eluded him throughout his career. On the other hand, Mourinho played down the match's significance, but he will surely be worried by the ease with which his team gave up and the injury woes of Diego Costa this close to the start of the season.

So, without further ado, here are the three things we learnt from Arsenal 1 - 0 Chelsea and what they may well need for the season ahead...

Alex Oxlade-Chamberlain is actually quite good

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Alex Oxlade-Chamberlain has been a nearly man for two seasons now - showing glimpses of brilliance before quickly disappearing again. But his performance in the Charity Shield suggested this may be the season he breaks through.

Strong on the ball, positive in attack and with the winning goal to his name, this was an all-action display from The Ox. He also has a sweet new haircut, but you'll have to take my word for that because it's funnier to put a picture of the original Teenage Mutant Ninja Turtles above.

Arsene Wenger CAN beat Jose Mourinho (which means they CAN win the league)

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Wenger has finally broken his 'Special' hoodoo and beaten Jose. It was comfortable too and will give the Frenchman plenty of confidence going into the new season.

There's no reason why Arsenal can't kick on and challenge for the league title now, Cech was a shrewd signing and others are stepping up to the plate. A world class striker is the missing piece of the jigsaw - anyone got Karim Benzema's number?

Chelsea seriously need a Plan B

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Chelsea were out-thought and out-gunned today. Diego Costa cut a forlorn figure on the bench after yet another injury setback and there was no signs to suggest that Falcao is the man to fill the void.

The club's over-reliance on Eden Hazard will worry Mourinho and they will need a Plan B (and indeed C) if they are to successfully defend the Premier League title.