After Nigeria caused an upset against Argentina in Russia this week, Jon Mackenzie has drawn out five things we learned from the game
1 A game of two halves This was very much a game of two halves. When the half-time whistle went, the Argentines were 2-1 up and had controlled the game for much of the first 45 minutes.
During the interval, though, Sergio Aguero was taken to hospital with some sources alleging that he had fainted in the dressing room.
Once the teams returned to the pitch, the second half saw a complete reversal of momentum. Where Nigeria had previously struggled to make forays into the Argentine half, they were now in the ascendency and Iwobi's two goals, along with Brian Idowu's one, helped Nigeria to a deserved victory.
After the match, Manchester City released a statement which claimed: "Sergio never lost consciousness, and was taken to hospital for precautionary medical checks," the club said. "He will be assessed by the club's medical team ahead of this weekend's Premier League trip to Leicester City."
Whatever happened, it was clear that the Argentine dressing room was affected by Aguero's hospitalisation and so, as a result, the way the game opened out should be read with that in mind.
2 Alex Iwobi is the real deal
Alex Iwobi will be hoping that Arsene Wenger was watching the game after a neatly-taken brace from the youngster carried the Super Eagles to victory.
The first, a neatly taken side-foot into the far corner of Agustín Marchesín's net, was surpassed by the second: a deft nutmeg through Javier Mascherano's legs setting him up to finish powerfully to put the game beyond La Albiceleste.
Iwobi has struggled to make his way onto the Arsenal starting XI ever since he made his debut in 2015. With performances like this, though, it will be harder for his manager to keep ignoring him.
3 Dybala is still not quite Messi
Argentina manager Jorge Sampaoli continues to grapple with the problem of how to fit both Lionel Messi and Paulo Dybala on the same team.
With Messi flying back to Barcelona before the fixture against Nigeria, this was Dybala's chance to shine. In the end, though, Dybala never really got going in Russia and ended up being subbed for Fernando Belluschi after 63 minutes.
?In light of Messi's Herculean efforts in getting Argentina into the World Cup in the first place, Dybala has a long way to go before he will be able to displace him from the team. Perhaps it is time for him to think about how he can modify his game to suit playing with the little maestro?
4 Defence is the best form of defence
Through the course of the first half of the match, the Nigerian defence was carved open seemingly at will by a not-insignificant Argentine forward line.
With the Super Eagles coming out of the CAF World Cup qualifying groups, this should be a warning to them as they start the run-up to the finals in Russia next year.
Where the tactical set-ups and conditions of the CAF qualifying groups may be forgiving of high lines and often gung-ho attacking play, such an approach is unlikely to translate well onto the global stage, where pitches are slicker and attackers more clinical.
Whilst may have worked out for the best this time around, it could go horribly wrong if it is not sorted out by next summer.
5 Premier League stars prevail
Having gone through a period of decline, thanks mainly to economic uncertainty in the country, Nigerian football looks to be on the rise again.
With the number of Nigerian footballers making their way into the Premier League on the rise, this can only be a good sign that football in the country is slowly returning to rude health.
Alex Iwobi, Kelechi Iheanacho and Wilfred Ndidi all started for the Super Eagles, who would also have been feeling the effects of injuries to both Victor Moses and Isaac Success.
If they can keep growing the number of this band of emigres going forward, it is likely that Nigerian football will continue on its upward course.