Qarabag boss Qurban Qurbanov admits Camilo Duran's exit for Celtic could provide him with a problem.
Yet to be officially rubber-stamped, Duran's £5.5 million transfer has already had approval from The London Embassy of Azerbaijan, and he has been seen training with his new teammates.
Qurbanov admits he has recieved word the deal is almost done.
And he says losing a player of Duran's quality could be an issue for him and his team.
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He said: "As for Duran, he has not left the building yet, so we cannot say officially that he has gone.
"A few hours ago, we received a message that everything was close to being completed, but it has not been finalised yet. But he was one of our main players. He played in the Champions League and was one of our best players in Europe.
"He is talented and ambitious, so his departure could be a problem for us.
"I want our team always to have a player like Duran, because he had the ability to play in several positions and he was very skilful."