Spain’s 22-minute cameo against Iraq on Thursday evening is the primary evidence in the case for Mikel Merino’s inclusion in Luis de la Fuente’s World Cup squad, and the financial implications of that case extend well beyond the Santiago de Compostela dressing room. The 28-year-old midfielder, who entered the Iraq friendly as a substitute in the 68th minute, “about the best thing about it”, according to The Guardian’s match report of the 1-1 draw. That single sentence, in the context of a Spain performance the publication described as “not very good”, carries a transfer-market weight disproportionate to its setting.
Merino’s current deal at Real Sociedad runs until June 2028, with no public release clause and a reported wage of approximately €4.2m net per season, equivalent to a gross cost of roughly £7m per year under Spanish tax thresholds for top earners. His residual book value, having joined from Newcastle United in the summer of 2024 for a fee reported at €32m, amortises across the four-year contract at €8m per year. That means Sociedad carry €24m of unamortised value on their books heading into the summer of 2026, and any sale at or above that figure would book the Basque club an immediate capital gain.
The Merino transfer market has been quiet but persistent. Arsenal were linked with the midfielder throughout the January 2026 window, as reported by The Athletic, and the interest is understood to have been exploratory rather than formal, with no bid tabled before the deadline. A post-World Cup move, should Merino feature prominently in the United States, Canada and Mexico, would command a fee in the range of €35m to €45m, according to estimates from Football Benchmark, the Madrid-based analytics consultancy. At €38m, for example, Sociedad would record a €14m profit on the player’s books, with the full amount entering their UEFA squad-cost-ratio calculation for the assessment period ending June 2027.
That profit margin is the arithmetic behind Merino’s Iraq cameo. A single strong performance in a friendly that Spain drew, a performance deemed the match’s brightest note by the attending press corps, functions as a public stress test of the player’s readiness. For de la Fuente, the decision is squad selection. For Sociedad’s finance department, it is the difference between a €38m summer bid and a €28m one. The agent commission, handled by Merino’s representatives at Wasserman, is not publicly disclosed for any potential deal but would typically range between 5% and 10% of the transfer fee, or €1.9m to €3.8m on a €38m move.
Spain’s squad departs Santiago de Compostela on Friday morning for Chattanooga, via Nashville, and The Guardian reported that seven of the eight men who made their debuts in the Iraq match “will not be on board”. Merino, as an established international with 34 senior caps, is not among that group. His place in the final 26-man squad is understood to be secure, though not formally confirmed until de la Fuente’s announcement in the coming days.
Real Sociedad’s financial position strengthens their negotiating hand. The club posted a net profit of €18m for the 2024-25 season, according to their annual accounts filed with the Spanish commercial registry, and carry no pressing need to sell below book value. The Merino case, then, is not one of a club under pressure but of a club maximising return on a player whose market value has risen precisely because he has continued to play at the level his contract was designed to reflect. Strip it to its components, and the Iraq cameo is a 22-minute advertisement with a €10m to €15m price differential attached.