Real Sociedad striker Sadiq out of Africa Cup of Nations with knee injury

MADRID, Jan. 12 (Xinhua) -- Real Sociedad striker Umar Sadiq has been forced to withdraw from Nigeria's squad for the Africa Cup of Nations due to a knee injury and will return to San Sebastian for treatment.

The 26-year-old, who has scored two goals in La Liga this season, suffered the injury to his left knee in a training session as Nigeria were preparing for their Africa Cup of Nations debut against Equatoria