Alvarez starred in the tournament, held in Qatar, as Argentina won their third crown by beating France.
The showpiece, held in the Lusail Stadium, saw Argentina emerge victorious on penalties in one of the greatest finals in history.
Argentina won the shootout 4-2 after an amazing game – but what did the people of Buenos Aires make of it all?
Well now you can find out as our cameras captured all the drama from the day.
Hear from fans as they discuss Alvarez, who finished the tournament as a national hero after his four goals were a major contribution on their way to glory.
They talk about his impact in the tournament, their impressions of his talent before we head to the match itself and all the ups and downs of that dramatic final game.
Check out the video above.
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