Atletico Madrid have firmly shut the door on any potential transfer of Julián Álvarez to Barcelona, with CEO Gil Marín delivering a blistering public rebuke of the Catalan club's pursuit of the Argentine forward.

In an official statement released on Thursday, Atlético's Board of Directors unanimously backed the club's position that there will be no negotiation with Barcelona under any circumstances. The club accused Barça of failing to conduct themselves in a professional, ethical, and respectful manner throughout the transfer saga.

Marín went further in an interview with Movistar, revealing that Álvarez is struggling amid the speculation. "Julián is not doing well. There have been people who have tried to deceive him, to confuse him," he said. "I deeply regret this because we've been working with him for a long time, and he's a great person, a great professional, a great footballer, but he's completely confused. He's currently going through a very difficult time, both personally and professionally."

The CEO's comments came in response to Barcelona president Joan Laporta's public statements this week expressing his desire to sign the World Cup winner. Marín did not hold back: "We are even more outraged, because we are disgusted by the falsehood, the lack of ethics and professionalism of Barça. We can only insist that we are not going to negotiate with Barcelona under any circumstances."

Reinforcing the club's stance, Marín added: "As general manager and main manager of the club I have the support of everyone and the only safe and firm direction is this: he is not going to be transferred to Barça. I've been in the world of football for thirty-odd years and what I have is my word and I can say that the player is not going to be transferred to Barça."

Despite Álvarez's public desire to leave Diego Simeone's side, Marín remains hopeful the striker will stay. "Our intention, my personal dream, is for him to stay with us, to continue providing his services to Atlético de Madrid. To compete among the greats, you need great players," he said. "And Julián is one of them. If he were to conclude that being at Atlético and in Madrid is incompatible, we would look for an alternative; but it would never be FC Barcelona."

The saga continues to cast a shadow over the final weeks of the summer transfer window, with Premier League champions Arsenal also reportedly monitoring the situation as they wait in the wings.