Argentina arrived at this World Cup still riding the euphoria of their Qatar 2022 triumph, but as the tournament enters its decisive phase, that celebratory mood must give way to something sharper and more focused.

The return of Julian Álvarez to full fitness offers the defending champions a timely solution to a challenge that has quietly shadowed their campaign — an over-reliance on Lionel Messi to generate moments of quality and unlock opposition defences.

More than a supporting act

Álvarez has long been more than a secondary figure in Argentina's attacking setup. His energy, movement, and clinical finishing complement Messi in ways that no other player in the squad can replicate. When both are fit and firing together, Argentina present a problem that few defences in world football can adequately solve.

Without Álvarez at full capacity, Argentina's attack risks becoming predictable — defenders can afford to focus their attention on Messi, reducing the spaces and angles he relies upon. With Álvarez back and dangerous, that calculus shifts entirely.

A timely boost for the albiceleste

The timing of his return could hardly be more significant. Deep into a World Cup, where the margins between progression and elimination grow ever thinner, having a second genuine match-winner available transforms Argentina's options in attack.

Argentina have shown throughout this tournament that their squad depth and collective spirit remain formidable. But in the knockout rounds, individual brilliance often proves decisive — and Álvarez, alongside Messi, gives manager Lionel Scaloni two of the most dangerous forwards in the competition.

If Argentina are to defend their world title, shedding the comfort of post-Qatar celebration and rediscovering a sharper competitive edge will be essential. Álvarez's return may be exactly the catalyst they need.