It has been confirmed that up and coming Super Eagles striker, Henry Onyekuru faces up to six months on the sidelines with a knee injury, that could rule him out the 2018 World Cup in Russia.
The 20-year-old signed for Everton in the summer but was immediately loaned to Anderlecht for the season.
Onyekuru who was on the Super Eagles team that played in the final group B World Cup qualifier against Algeria and a friendly against Argentina in Russia damaged his medial ligament during Anderlecht's 1-0 win over his former club Eupen on December 22,
Anderlecht coach Hein Vanhaezebrouck said: "He is possibly out for six months."
It has not been decided where the young player will undergo rehabilitation.
In 2010, Chelsea's John Obi Mikel was registered for the World Cup by the Nigerian Federation but was eventually replaced by Brown Ideye after the midfielder aggravated a knee injury while training with the national team.
Left-back Elderson Echiejile was ruled out of the 2014 World Cup with a muscle injury sustained in the Super Eagles last friendly against Greece and was replaced by Ejike Uzoenyi.