Argentina fell to a 4-2 defeat, with three of Nigeria's goals coming after half time.
Argentina explained on their official twitter handle, "Aguero suffered a collapse and was therefore taken to carry out routine studies merely as a precaution". Manchester city's forward, Kun Aguero, increased the tally to 2-0 in the 37th minute.
But Kelechi Iheanacho inspired Nigeria's fightback.More news: Is North Korea Preparing For War? Winter Military Drill Preparation Underway
AOIFootball.com can confirm authoritatively that Chippa United goalkeeper, Daniel Akpeyi is expected to return to the goalpost in place of regular shot-stopper Ikechukwu Ezenwa, who has been deputising Carl Ikeme in recent games.
The Super Eagles took the lead two minutes after that when Brian Idowu sidefooted home from the edge of the area to finish off a counter attack.
Iwobi then sealed an impressive 4-2 victory for Nigeria, as he nut-megged Javier Mascherano before coolly firing in to the bottom corner in the 73rd minute.More news: West Indies tour to Pakistan moved to next March
He also led the team to the 2018 World Cup in Russian Federation.
"It's a hard game to explain", said Sampaoli.
Ihenacho scored a superb free-kick on 44 minutes of the first half to reduce the tally to 2-1.More news: Leak reveals OnePlus 5T ahead of November 16th announcement
"We have done it; we have concluded negotiations and come to agreement with the team as regards (to) bonuses, allowances and share of income from Federation Internationale de Football Association for the 2018 World Cup", said NFF vice-president Shehu Dikko. I know we are capable and have the individual talent to be able to get out of these situations and I'm anxious about what happened tonight.