Athens: Highly-regarded goalkeeper Stelios Markousis who was on the verge of breaking into Greek Super League side Veria`s first team died of a suspected heart attack aged just 18 during Wednesday`s training session, Athens News Agency reported.
Markousis, who had a trial with second tier German side Karlsruhe last month, had been elevated to Veria`s senior squad after impressing for the Under-20 side.
Markousis, who the club said had passed a medical before the start of the season, collapsed during training and the medical team of Veria tried to revive him before an ambulance took him to the hospital.
However, he was pronounced dead on arrival at the local hospital.
An autopsy will be performed Thursday to specify the exact cause of death.