Alexander Isak went out at half time in Real Sociedad's match against Atlético Madrid.

According to Spanish Mundo Deportivo, it is about the back of the left thigh and the newspaper writes that the 21-year-old Swede risks missing the last two matches in La Liga, against Valladolid on Sunday and against Osasuna next weekend.

Isak has had a good season in the Spanish league with 14 goals in 32 games.

Earlier this week, Italian Gazzetta dello Sport had information that Ibrahimovic's injury could even affect his participation in the European Championship premiere.

Sweden starts the European Championship on June 14 against Spain.

CLIP: Isak set personal record - netted for the 14th time (April 26)

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Alexander Isak hit La Liga Photo: Bildbyrån