Sevilla have turned down two bids for Daniel Alves, as the club holds out for an offer that is above their valuation of the player, according to their president.
Jose Maria del Nido revealed that he will not be bullied into selling one of his team's prize assets, even though there is an agreement in place that he could be allowed to leave.
Chelsea are believed to be behind the enquiries, having been strongly linked to the Brazilian full-back this summer, but Del Nido did not name the club or clubs involved.
"We have refused an offer of 35 million euros [£23.7 million] and another one that was of almost 32 million euros [£21.7 million], which did not include any swap deals," he said.
Above current value
"The first call was on Tuesday and the second was received on Wednesday.
"If we receive an offer that is above his current value in the market, then he could leave us and if not, we will remain calm."
Alves has said he believes that it is time for him to move on and has confirmed that he would like to join Chelsea if Sevilla allowed him to.
Having a disgruntled player on the books does not concern Del Nido, who believes that Alves will comply with his obligations at Sevilla.
"Alves is a magnificent professional and I think he will carry on in the same way as always," the president said.
"I am convinced that he will carry out his duties with Sevilla and will not have any problems either economically or personally here."
Talk of out-going players overshadowed the press conference, called to introduce Sevilla's latest acquisition, Colombian defender Aquivaldo Mosquera, who has joined from Pachuca.
Del Nido also spoke about Ivica Dragutinovic's future as the Serb has yet to put pen-to-paper on a new deal after rejecting a move to Newcastle United.
"He has not signed the contract yet, but everything is practically done for him to stay here for another four years," Del Nido added.