Nigeria’s Golden Eaglets won their final warm-up match 3-1 against Racing Club before their departure from Argentina to Chile.
They also beat World Cup-bound Argentina 2-1 in their first test match in Beunos Aires.
On Sunday, the Eaglets will open the FIFA U17 World Cup in Santiago, Chile, against USA.
Hosts Chile and Croatia are the other teams in Group A.
Nigeria are the defending champions having won the tournament two years ago in Abu Dhabi.
They have also won the competition in 1985, 1993 and 2007.