The Nigeria Football Federation has set a deadline of March 20 for players to report to the Super Eagles camp in London ahead of the friendly matches against Senegal and Burkina Faso.
Nigeria will play Senegal on March 23rd before facing Burkina Faso four days later.
Both matches will be played at the Hive Stadium in London.
The matches are to help Nigeria prepare for the 2019 Africa Cup of Nations qualifier against South Africa in June.
