Besiktas are expected to announce today the signing of Atletico Madrid winger Simao Sabrosa.
Agent Ahmet Bulut has been able to broker a deal between all three parties, which was signed off on Friday.
Besiktas could announce the deal today.
Simao was in talks with Atletico over a new contract, with his current deal due to expire in June. Atletico had been pushing Simao to take a pay-cut, but the offer he has from Besiktas is actually greater than his current terms in Madrid.