Borussia Dortmund’s 18-year-old midfielder Konstantinos Karetsas was rushed to the hospital after collapsing during his Champions League debut against Villarreal.
Borussia Dortmund’s promising teenage midfielder, Konstantinos Karetsas, was transported to a local medical facility on Tuesday evening after suffering a sudden health episode during his first-ever appearance in the UEFA Champions League. The 18-year-old talent, who arrived at the German club during the summer transfer window, was playing against Villarreal when the match was interrupted
Approximately 25 minutes into the opening half, with the scoreline deadlocked at 0-0, the young athlete signaled to the match referee that he was in distress immediately after completing a pass to a teammate. He quickly slumped to the turf, prompting an immediate halt to play as medical staff rushed onto the pitch to provide urgent care. The severity of the situation became clear as he was stabilized on the ground before being removed from the field on a stretcher.
Following the conclusion of the match, which Borussia Dortmund ultimately secured with a 3-2 victory, the club released an official update regarding the player's condition. The statement clarified that Karetsas had been experiencing circulatory issues, and while he was stable, he was being moved to the hospital to undergo comprehensive medical examinations to determine the underlying cause of the collapse.
The incident cast a shadow over what was otherwise an important European victory for the Bundesliga side. Speaking to broadcasters after the final whistle, Dortmund goalkeeper Gregor Kobel expressed his relief regarding the initial reports coming from the medical team. He noted that the squad’s primary concern remained with their young teammate and voiced optimism that Karetsas would make a full recovery and return to training in the near future.
The club has emphasized that the teenager is doing as well as can be expected under the circumstances. The rapid response from the pitch-side medical team is widely credited with ensuring that the player received immediate attention as soon as his symptoms became apparent. Dortmund officials have stated that they are committed to ensuring he receives all necessary care before considering any timeline for his return to competitive football.
Konstantinos Karetsas has been one of the most highly anticipated additions to the Borussia Dortmund roster this season. The club invested significantly in his talent, securing his services from the Belgian side Genk for a fee reported at $34.9 million. His arrival was part of a broader strategy to bolster the team's creative output, with the teenager signing a five-year contract that ties him to the German club until 2031.
His scouting report highlights exceptional technical proficiency and a rare ability to thrive in congested areas of the pitch. During his final season in the Jupiler Pro League, he demonstrated his playmaking capability top target for several major European clubs before Dortmund finalized the deal, viewing him as a key component for both their current tactical setup and their long-term future.
Beyond his domestic performance, Karetsas has already begun to make his mark on the international stage. Although he represented Belgium at various youth levels during his formative years, he eventually committed his senior international future to Greece, the home country of his parents. Since making his debut for the Greek national team in March 2025, he has already become a consistent contributor, finding the back of the net three times in his first 10 caps.