https://yestino.com/entities/dortmund-karetsas-d9eb84Every event involving Dortmund Karetsasenhttps://yestino.com/events/dortmund-s-karetsas-hospitalised-after-collapsing-in-champio-890e11https://yestino.com/events/dortmund-s-karetsas-hospitalised-after-collapsing-in-champio-890e11Wed, 09 Sep 2026 13:38:54 GMTGreek teenage star Konstantinos Karetsas faced 'circulatory problems' and was stretchered off during the match against Villarreal. Sources: Al Jazeera