Borussia Dortmund Youngster Konstantinos Karetsas Hospitalized After Collapsing During Champions League Debut

Dortmund. Borussia Dortmund's 18-year-old young star Konstantinos Karetsas was admitted to the hospital for treatment after collapsing on the field in the 25th minute of his Champions League debut match.

"Konstantinos Karetsas had to be taken off the field due to circulation problems," Dortmund said in a statement, "According to the current situation, Kosta's health is normal and he is being taken to the hospital for further tests."