(Photo) Mustafi reveals Arsenal are in high spirits going into Middlesbrough clash

Arsenal have won their last six games in the Premier League and spirits are high in the team camp according to summer signing Shkodran Mustafi.

The Germany international shared a picture on his official Instagram account alongside Alexis Sanchez which shows them having a laugh.

Mustafi revealed in his caption that there was a great atmosphere in team training today.

The North London based outfit take on newly promoted Middlesbrough next in the Premier League on Saturday.

More Stories Shkodran Mustafi