La Albiceleste defeated Italy, who failed to qualify for the finals in Russian Federation, 2-0 in Manchester on Friday, although they were without key player Lionel Messi due to a minor injury.
The Brazil youth worldwide is excited to play, and train, alongside five-time Ballon d'Or victor Messi.
But he is yet to win a major trophy with the national team, apart from a gold medal at the 2008 Olympics.
No one wants to see a World Cup without the world's most expensive player in top form, but if Neymar's recovery from a broken metatarsal proves a problem then Brazil might not be as anxious as people may have thought.
Fabregas has not played alongside Messi since leaving the Nou Camp in 2014.
The 2018 FIFA World Cup begins on June 14 in Moscow, Russia.
The ' Pelusa ' advised "La Pulga' facing the World Cup next summer and also on how to understand football at this stage of his career".
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"We could have done more, but let's not forget we were facing the World Cup runner-up and this was a valuable match to gain experience", Di Biagio said.
By delivering a heartfelt message to Messi on Argentinian TV programming, did Oprah just deliver La Albiceleste their first World Cup title since 1986?
But disputes in recent years have left Messi disconnected with Argentina supporters.
Diego Maradona feels Argentina could end their long wait for the World Cup trophy this year if Lionel Messi does not bow down to the pressure from critics.
No-one can replace the Barca man, though Dybala is arguably the most comparable player available to Sampaoli, both in terms of general talent and style of play.
Head coach Jorge Sampaoli added in his post-game media conference: "We had planned the game with Leo Messi in the starting line-up, but he had an injury and we preferred him not to take part".