Aside from Argentina who recorded a 2-0 win over Italy on Friday night, Nigeria's other World Cup group opponents Iceland and Croatia were beaten in their respective warm-up games early Saturday morning.

Iceland were beaten 3-0 by Mexico in Santa Clara, California, courtesy of two Miguel Layun goals in its first of two friendlies ahead of the summer's World Cup.

Iceland are making their debut appearance at the World Cup in Russia where they will start out against Argentina before taking on Nigeria on June 22nd at the Volgograd Arena.

On their part, Croatia who are Nigeria's first opponent in Russia were beaten 2-0 by Peru.

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Andre Carillo gave Peru the lead after 11 minutes when his deflected shot from outside the box wrongfooted the Croatian goalkeeper.

Edison Flores doubled their lead three minutes into the second period when he poked the ball home from close range after a quick counterattack.

Peru had Yoshimar Yotun sent off after 74 minutes but the Croatians found goalkeeper Carlos Cacida in fine form.

Peru, who will compete in the World Cup finals for the first time since 1982 this summer, kick off their campaign on June 16 against Denmark and then face France on June 21 and Australia on June 26.

Croatia play Nigeria in their opening match on June 16, before taking on Argentina five days later and then playing Iceland on June 26.