Giner concedes he expects to sell the Russia attacker "in days".
He stated: "I think he can become a big star. I'm not sure he can be a great player in the Russian league. The level of the Premier League and La Liga is much higher.
"In order not to ruin his career, he must be let go. But we have no solution today. When we receive an offer, we try to negotiate openly.
"We were contacted by the vice president of AS Monaco (Vadim Vasilyev) and he made us a proposal.
"Regarding Chelsea, we do not have an agreement with them. However, the question of his future will be settled, I think, in the coming days."