Leicester City duo, Kelechi Iheanacho and Wilfred Ndidi as well as defender Kevin Akpoguma are among the early birds at the Super Eagles camp in Abuja.
The team is based at the John Woods Hotel.
Nantes of France winger, Moses Simon was the first player to arrive at the team’s camp.
Iheanacho, Ndidi and Akpoguma arrived at the camp to increase the number of players to four.
Majority of the remaining 19 invited players are expected in Abuja on Monday.
Jose Peseiro’s side will entertain the Djurtus of Guinea-Bissau in a 2023 Africa Cup of Nations qualifier at the Moshood Abiola Stadium, Abuja on Friday, March 24.
The reverse fixture is billed for Bissau on Monday, March 27.