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The Gunners are making great progress in their US tour already.

The first challenge saw Arsenal record an impressive 3:0 victory over Colorado Rapids in Denver and Unai Emery seemed pretty happy with what he saw from his team.

But this was only the first of many summer challenges Emery's men will have to face going down the line as pre-season has only just begun.

Still, the squad seem to be in good spirits already, judging by their latest social media activity.

Shkodran Mustafi took to

/Bz-NB4yl4DP/?utm_source=ig_web_copy_link" data-lasso->Instagram to share a brilliant snap with his fellow teammates, Sead Kolasinac and Mesut Ozil, as the "gang" is now in Los Angeles.

Mustafi captioned it as "ain't no game, them boys straight outta L.A.", followed by some emojis.

Emery should be pretty happy that his teammates are enjoying themselves on the pre-season tour as the new 2019/20 Premier League campaign is just around the corner.

However, fans will certainly be hoping that the German defender is taking things a little more seriously on the training ground.

His performances last season left plenty to be desired and considerable improvement will be needed in the upcoming campaign if he wants to salvage his dwindling reputation.