The decisive moment arrived 37 seconds into the second period of extra time at the MetLife Stadium. Pedro Porro swung a cross from the right, Nico Williams headed it back across goal, and Ferran Torres, on as a second-half substitute, smashed a left-footed finish into the roof of the net. The goal was Spain's 20th attempt of a final they had dominated from the opening whistle; Argentina, by contrast, had yet to register a single shot on target. It was a breakthrough that felt inevitable, yet it required more than 105 minutes of patience against a defence that had been reduced to ten men deep in stoppage time.

Spain's control was near-absolute. They held 65 per cent possession over the 90 minutes, forced Emiliano Martínez into ten saves during normal time alone, and reduced the defending champions to a deep, compact block that rarely escaped its own half. Lamine Yamal, Dani Olmo and Mikel Oyarzabal all tested Martínez before the interval, while Pedri, Pau Cubarsí and Nico Williams were denied after the break. Argentina's attacking threat was almost entirely nullified: Lionel Messi, in what he has indicated was his final World Cup appearance, was isolated and unable to influence the contest, while the team's first shot of any description did not arrive until the 119th minute.

The match turned decisively in the third minute of added time at the end of regulation. Enzo Fernández, already on a yellow card, lunged into a challenge on Cubarsí and was shown a second yellow by Slovenian referee Slavko Vinčić. Argentina were forced to play the entire extra period a man down, and their resistance, built on Martínez's reflexes and a string of desperate blocks, finally crumbled. Spain had earlier seen a Nico Williams goal disallowed for a foul by Mikel Merino on Nicolás Otamendi, but Torres's strike, his first of the tournament, proved sufficient.

Viewed from Madrid, the victory completes a remarkable cycle. Luis de la Fuente's side, European champions in 2024, have now added the World Cup, becoming the first European nation to win consecutive European Championship and World Cup titles twice, after the 2008-2010 generation. Spain conceded only one goal across the entire tournament, a record of defensive solidity that underpinned their run. In Buenos Aires, the defeat was met with an acknowledgment of a cycle's end: Messi, at 39, became the oldest outfield player to appear in a final, but Argentina could not become the first team since Brazil in 1962 to retain the trophy.

Spain's second star places them level with France and Uruguay on two world titles, behind only Brazil (five), Germany and Italy (four), and Argentina (three). The next World Cup, in 2030, will be co-hosted by Spain, Portugal and Morocco, offering La Roja the chance to defend the trophy on home soil. For now, the image that lingers is of Torres wheeling away in celebration, a goal he later dedicated to "47 million people", and of Messi, head bowed, leaving the World Cup stage for the last time.