The Swiss Football Association (ASF) has confirmed a thigh injury has ruled Renato Steffen out of Switzerland s Euro 2016 campaign.
Steffen sustained the injury in Sunday s 3-2 victory over Young Boys and was replaced by Davide Calla after just 13 minutes.
The issue will rule the Basel winger out for several weeks , ruling him out of the European Championship in France.
Medical examinations on Monday revealed the 24-year-old has suffered a torn muscle in his right thigh and this will be out for several weeks, an ASF statement said.
Switzerland coach Vladimir Petkovic has not called up a replacement for Steffen to his provisional Euro 2016 squad.
The Swiss will take on Belgium and Moldova in friendly matches before facing Albania in Lens for their Group A opener on June 11.