The Argentina World Cup Squad in 2026 — Who Makes the Cut at 38-Year-Old Messi's Last Tournament

Argentina's 2026 World Cup squad is being assembled around Lionel Messi at 38. Here is who makes the 26-man roster and how Scaloni plans to manage Messi's minutes.

The specific challenge of assembling Argentina's 2026 World Cup squad requires managing the specific tension between defending-champion pedigree and the physical reality that the core of the Qatar 2022 winning squad is four years older — with Messi at 38 the specific case around which all other planning rotates.

Messi's expected role: the specific adaptation that the coaching staff has been managing at Inter Miami — limiting his pressing contributions, increasing his positional intelligence usage, maximising his set-piece and final third quality — will be the model for his World Cup deployment. He will play in all matches where he is fit but will not be expected to reproduce the specific running metrics that his Qatar performances included.

For the specific squad composition: Emi Martínez in goal remains the team's specific first-choice keeper whose specific penalty shootout legend (multiple tournament-deciding saves across Euros and World Cup) provides the psychological dimension that Scaloni will maximise if the tournament requires shootouts. The midfield around Rodri, De Paul, and Mac Allister provides the specific engine whose quality Argentina's tournament performance has consistently depended on.

For the generational transition in attack: Lautaro Martínez's specific evolution from secondary to primary striker in the post-Messi-as-forward-threat allocation has produced the specific goalscoring consistency that the squad requires from a centre-forward in tournament football. Julián Álvarez provides the specific energy and pressing quality that Messi's reduced work rate creates the need for.

For Scaloni's specific tactical challenge: building a system that maximises Messi's remaining specific qualities while compensating for what he cannot provide at 38 in a tournament whose physical demands are concentrated in a 39-day window is the exact coaching problem whose solution will determine whether Argentina defend their title.