Konstantinos Karetsas leaves Dortmund match against Villarreal with health issues

Konstantinos Karetsas exited the pitch before the half-hour mark during the opening matchday of the UEFA Champions League against Villarreal. Dortmund officials confirmed the midfielder was substituted due to circulation problems. The club stated the player is currently in stable condition but is heading to a hospital for further medical examinations. Ethan Nwaneri entered the match as his replacement to make his second appearance for the club. The Greek international had experienced a positive start to his tenure at Dortmund, though his availability for upcoming fixtures remains uncertain pending the results of his hospital evaluation.

• 8:41 PMYahoo Sports — Dortmund issue fresh update on Karetsas after incident against Villarreal