“He could be out for as long as six months,” Vanhaezebrouck told reporters.

This would serve a big shock to the Everton loanee, whom after he was forced off in the game against his former side took to Twitter to allay any fear of a long-term layoff.

Onyekuru who made his Super Eagles’ competitive bow as a substitute in Nigeria’s final World Cup qualifier against Algeria was hoping to be part of Gernot Rohr’s setup to Russia.

The oft-criticised youngster has been Anderlecht’s major source of goal in the Belgian top-flight this season as he has scored nine times in 19 matches.

Onyekuru was also a bright spark in the Purple & White’s underwhelming Uefa Champions League campaign. He played in all six Group B matches as they failed to make it to the knockout stages of the competition, and also, conceding the consolatory Europa League spot to Celtic.