In Hippach, Austria, took part in a friendly match in which Werder (Bremen) beat AFC Ajax (Amsterdam) 2:1.
20-year-old midfielder to the Dutch club lost consciousness during the match.
He was taken by helicopter to the hospital, according to the portal Goal.
The player is stable, but, as reported by Austrian media, he’s unconscious.
Causes of loss of consciousness is still unknown. Doctors suspect heart failure.