Konstantinos Karetsas substituted due to circulatory problems: ‘This is a concern for us’

Konstantinos Karetsas substituted due to circulatory problems: ‘This is a concern for us’Borussia Dortmund’s Konstantinos Karetsas had to be substituted in the 27th minute of their UEFA Champions League victory over Villarreal due to circulatory problems, the club have confirmed.“Konstantinos Karetsas had to leave the field due to circulatory problems. Kosta is doing well under the circumstances and is on his way to the hospital for further tests,” BVB said on Tuesd