Atletico Madrid wasted no time in countering the complaints lodged by Real Madrid manager Jose Mourinho regarding the officiating in Sunday’s fiercely contested derby. The Portuguese coach had arrived at the post‑match press conference clutching printed sheets that highlighted two specific moments he believed warranted straight red cards for Atletico players. Mourinho’s accusations centered on what he described as glaring mistakes by the referee, claims that followed Real’s 2-1 defeat at the Metropolitano. In the days that followed, Atletico took to their X (formerly Twitter) platform with a two‑part campaign aimed at silencing what they termed an unfair assault on the match officials.

The first post featured a short video of a piece of paper being printed with the hashtag "#StopAcosoArbitalYA," which translates to "stop referee harassment now." The second post displayed an image of Mourinho during his press conference, overlaid with the same slogan, making it clear that the club was not willing to let the criticism go unanswered. Mourinho’s grievances were specific. He held up photographs of two tackles he believed should have resulted in immediate expulsions. The first involved Atletico defender Cristian Romero, who, according to Mourinho, stamped on Jude Bellingham’s knee in a manner that merited a red card.

The second incident concerned Lee Kang‑in’s challenge on Federico Valverde, which Mourinho argued also deserved a sending‑off. Both moments occurred before Real were reduced to ten men just five minutes after the break, a development that Mourinho suggested altered the dynamic of the game dramatically.

"We could skip the press conference because the story of the match is right here," Mourinho declared, brandishing the images as he launched into a near‑five‑minute tirade. "Those were two clear red cards.

The difficulties we faced after the sending‑off – eleven against ten – make you wonder what fifty minutes of eleven against nine would have looked like if justice had been done." The match narrative itself was a roller‑coaster. Real’s defender Dean Huijsen was shown a red card after bringing down Giuliano Simeone inside the penalty area, a decision that allowed Alejandro Grimaldo to slot home a low spot‑kick.

Six minutes later, Jonathan David doubled Atletico’s lead, and Antonio Rudiger later headed in a free‑kick to narrow the gap for Real. Despite the loss, Mourinho praised his side’s first‑half performance, describing it as "full of class and great character," before turning his ire toward referee Miguel Angel Ortiz Arias and the officials responsible for his appointment.

"They have placed a 41‑year‑old referee with no international experience in this high‑stakes match – it is certainly not because he is an outstanding official," Mourinho said. "The poor fellow was then unable to cope with the intense pressure – I call it '80s‑style pressure' in this stadium, something you rarely see these days." When asked about Real’s six‑point deficit behind Barcelona, Mourinho offered a pointed response: "If they just leave us in peace and let us compete on a level playing field with everyone else, we still have a long way to go.

I don’t want to go so far as to say this was set up… I want to believe that they simply made a mistake." Real Madrid later released an official match report echoing many of Mourinho’s points, describing the defeat as "marked by poor officiating." The club’s statement accused Ortiz Arias of failing to dismiss Cristian Romero for a stamp on Bellingham’s knee, despite a review on the monitor, and of overlooking Lee Kang‑in’s challenge on Valverde’s ankle. According to Real, these two decisions were pivotal, shaping the outcome of the derby in Atletico’s favour.

The report detailed the sequence of events: up to the 30th minute, the game featured few dangerous moments, but after that point, controversy began to dominate. At the 35th minute, a contested ball saw Bellingham reach the ball before Romero, only for the Atletico defender to plant his studs into the Madrid player’s left knee. Ortiz Arias initially booked the Real player but, after being prompted by referee Trujillo Suárez to review the incident, rescinded the card for Bellingham and issued a yellow to Romero instead of a red.

Nine minutes later, the referee allegedly missed another crucial infringement when Lee Kang‑in struck Valverde’s left ankle with his studs, again failing to issue any sanction. Atletico’s response on social media was not merely defensive; it was a clear call for respect toward match officials and a demand that criticism be grounded in facts rather than emotion. By circulating the hashtag #StopAcosoArbitalYA, the club sought to shift the conversation from personal attacks to a broader discussion about the pressures faced by referees in high‑profile matches.

Beyond the immediate dispute, the incident highlights a larger issue within Spanish football: the scrutiny placed on referees and the mechanisms for reviewing contentious decisions. While video‑assistant referee (VAR) technology is intended to reduce errors, both clubs and managers continue to question its implementation and the consistency of its application. Mourinho’s public display of printed evidence and his vocal criticism underscore the frustration many feel when they perceive that crucial moments are not being adjudicated correctly.

In the aftermath, both clubs will likely focus on their upcoming fixtures, but the narrative surrounding the derby will linger. Atletico’s proactive stance may serve as a reminder that clubs can use their platforms to defend the integrity of the game, while Real’s continued emphasis on officiating errors may influence future discussions about referee appointments and training. The episode also serves as a case study for how modern football clubs manage public relations in the digital age.

By swiftly producing visual content and leveraging social media hashtags, Atletico was able to control part of the story and rally supporters around the cause of protecting referees from what they deem undue harassment. Meanwhile, Mourinho’s traditional press conference approach, complete with printed handouts, demonstrates that even in an era of instant online reactions, the pre‑recorded media event remains a powerful tool for shaping narratives. As the season progresses, both sides will have to navigate the fine line between legitimate critique of officiating and respect for the officials tasked with enforcing the Laws of the Game. Whether the debate will lead to concrete changes in referee training or appointment policies remains to be seen, but the dialogue sparked by this derby will undoubtedly continue to echo throughout La Liga’s remaining fixtures.