Borussia Dortmund prospect Konstantinos Karetsas leaves Villarreal match with medical concerns
2 sources • 1 min read • Latest: Sep 8, 2026, 8:48 PM
Last updated Sep 8, 2026

Borussia Dortmund midfielder Konstantinos Karetsas exited his UEFA Champions League debut against Villarreal on a stretcher in the 27th minute. The 18-year-old requested assistance after playing a pass and feeling unwell during the first half of the match. Club trainers treated him for several minutes on the pitch before he was moved to the locker room. Borussia Dortmund confirmed in a statement that the substitution was due to circulation problems and that the player was transported to a hospital for further evaluation. He is reported to be doing as well as can be expected given the situation. Karetsas had recently joined the club this summer and did not participate in full team training the day prior to the contest. He was replaced on the field by Ethan Nwaneri.
- •Konstantinos Karetsas was substituted in the 27th minute against Villarreal.
- •The club cited circulation problems as the reason for his departure.
- •Karetsas was taken to a hospital for additional medical examinations.
- •Ethan Nwaneri replaced the 18-year-old on the field for Dortmund.
- 8:48 PMYahoo Sports — Dortmund's Karetsas out of CL match and taken to hospital
- 8:11 PMYahoo Sports — Borussia Dortmund prospect Konstantinos Karetsas stretchered off
"Borussia Dortmund forward Konstantinos Karetsas was taken off the pitch on a stretcher in the first half of their Champions League match against Villarreal and taken to hospital with what the club named circulatory problems. "Konstantinos Karetsas had to leave the field due to circulatory problems.
"The 18-year-old Greek prospect had to leave the field in the 27th minute of his UEFA Champions League debut.
Sources
External links- Yahoo SportsSep 8, 2026, 8:48 PMDortmund's Karetsas out of CL match and taken to hospital
Borussia Dortmund forward Konstantinos Karetsas was taken off the pitch on a stretcher in the first half of their Champions League match against Villarreal and taken to hospital with what the club named circulatory problems. "Konstantinos Karetsas had to leave the field due to circulatory problems.
- Yahoo SportsSep 8, 2026, 8:11 PMBorussia Dortmund prospect Konstantinos Karetsas stretchered off
The 18-year-old Greek prospect had to leave the field in the 27th minute of his UEFA Champions League debut.
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