Cerezo verified Chelsea have manufactured contact but have not agreed to meet the get -out clause for the Brazilian-born striker, who was part of a dismal World Cup displaying from Spain.
The ahead has prolonged been linked with a huge - income move to join Jose Mourinho at Chelsea, but Cerezo maintains the offer is far from total.
"We never know anything at all about Costa, all we know is that Chelsea have produced get hold of but we haven't obtained any cash or everything else however," Cerezo said.
" Until we acquire the dollars from his get -out clause, he stays an Atletico player."
Costa, 26, spearheaded Atleticos assault in a unforgettable season in which they gained La Liga and achieved the Champions League last under Argentine manager Diego Simeone.
Atletico have a historical past of shedding their marquee gamers with Fernando Torres, Sergio Aguero and Radamel Falcao all possessing remaining the club in current yrs.
The Atletico president admitted it is quite tricky to say no when the most significant teams in Europe arrive contacting.
" We have often tried using to convince our players to keep, but the variation among our funds and that of other golf equipment is very huge," he stated.
Cerezo also confirmed Belgian goalkeeping star Courtois, who has been on financial loan to Atletico for the earlier 3 seasons, is set to return to Chelsea.
"Chelsea can rely on Courtois, simply because he is their player," he mentioned.
That will established up an enviable predicament for Mourinho as he will have to select between Courtois and lengthy -time initial - choice goalkeeper Peter Cech.
In addition to the most likely departures of Costa and Courtois, Atletico have bid farewell to David Villa, who has signed for Melbourne City, and Tiago Mendes, who is out of contract.
Brazilian defenders Filipe Luis and Joao Miranda have also been linked with moves absent from the Vicente Calderon Stadium.
Atletico have a prepared - created replacement for Luis if he does depart immediately after signing hugely -rated left - back Guilherme Siqueira from Granada.
" That is the way soccer is," additional Cerezo on the improvements the La Liga champions will go through this summer time.
"We will try and get new gamers to appear in who can score far more objectives or help save a lot more targets than the types that are leaving."