Chile's Alexis Sanchez, a striker for F.C. Barcelona, will miss four weeks of action after straining a ligament in his right foot during an international friendly against Serbia.

Sanchez, 23, played just 20 minutes of Chile's 3-1 loss Wednesday night before coming off the field with the injury.

The Spanish club said Thursday the striker underwent a series of tests upon his arrival in Barcelona that showed the existence of the strain.

F.C. Barcelona - which leads the Spanish league with 31 points, three ahead of Atletico Madrid - practiced Thursday afternoon in preparation for a match Saturday against Zaragoza.

The club is hopeful that captain and key defenseman Carles Puyol, who has missed several weeks with an elbow injury, will be medically cleared to play. EFE