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Sky Sports reckon the Gabon international is back with the senior squad despite speculation surrounding his future.
He’s been heavily linked with a transfer to north London following Alexis Sanchez’s impending departure to Manchester United.
But the fact he’s not been forced to train with Dortmund’s kids could be a sign that a deal is some way off.
Germany World Cup winner Thomas Berthold says Aubameyang need to mature quickly if he wants to be a success in the Premier League.
“At Dortmund, it has reached the point where the employer has said to its employee, ‘My friend, it’s over’,” Berthold said.
“For Arsenal, it is now a question of how they structure the handling of their players. Aubameyang presents a risk.
“They must have a code of behaviour for the team – both on the pitch and away from it – so that Aubameyang can carry out his profession with 100 per cent focus and not have anything in his head that can provide a distraction.
“The mentality in England is different. But, in Dortmund, it has been a problem.
“Aubameyang got used to a certain lifestyle with his escapades. He will have to adopt a different way at Arsenal. I hope they know his personality and how he works.
“I assume they do and they understand what he is about on the training pitch. If they don’t, his mentality won’t fit and it would be better that the deal doesn’t go ahead because, in my opinion, it would not work.”
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