Borussia Dortmund midfielder Konstantinos Karetsas remains sidelined for weekend match
2 sources • 1 min read • Latest: Sep 11, 2026, 12:36 AM
Last updated Sep 11, 2026

Borussia Dortmund sporting director Ole Book stated on Thursday that 18-year-old midfielder Konstantinos Karetsas is undergoing further medical examinations following a health incident. Karetsas was substituted in the 27th minute of Tuesday’s Champions League match against Villarreal CF after reporting circulatory problems. The player was subsequently transported to a hospital for evaluation. Book confirmed that the club’s priority is the health of the player and noted that Karetsas will not be available for the upcoming weekend fixture. The organization plans to provide additional updates once the medical assessments are finalized. The match against Villarreal CF marked the first appearance for the teenager in the UEFA Champions League.
- •Konstantinos Karetsas left Tuesday’s match against Villarreal CF in the 27th minute.
- •The 18-year-old experienced circulatory issues during his Champions League debut.
- •Borussia Dortmund sporting director Ole Book confirmed the player remains under medical observation.
- •Karetsas is ruled out for the club's upcoming match this weekend.
- 12:36 AMYahoo Sports — Ole Book gives update on Konstantinos Karetsas
- 11:55 PMYahoo Sports — Ole Book provides an update on Konstantinos Karetsas
"“Under the circumstances, he is doing well. Further examinations are underway, and we want to get to the bottom of the matter very precisely,” Ole Book said on Thursday about Konstantinos Karetsas...
"“He’s doing well under the circumstances. Further examinations are underway; we want to get to the bottom of this,” said Ole Book on Thursday regarding Konstantinos Karetsas’s health.Only once...
Sources
External links- Yahoo SportsSep 11, 2026, 12:36 AMOle Book gives update on Konstantinos Karetsas
“Under the circumstances, he is doing well. Further examinations are underway, and we want to get to the bottom of the matter very precisely,” Ole Book said on Thursday about Konstantinos Karetsas...
- Yahoo SportsSep 10, 2026, 11:55 PMOle Book provides an update on Konstantinos Karetsas
“He’s doing well under the circumstances. Further examinations are underway; we want to get to the bottom of this,” said Ole Book on Thursday regarding Konstantinos Karetsas’s health.Only once...
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