Franco Mastantuono to Wear Strategic Jersey Number at Real Madrid

Franco Mastantuono will don the number 30 shirt during his first season at Real Madrid, the same number he wore at River Plate before making his high-profile move to the Santiago Bernabéu. The Argentine teenager has been officially registered with the club’s reserve team, a procedural choice as LaLiga regulations assign numbers above 25 to youth players.

✨ Mastantuono, presentado como nuevo jugador del Real Madrid. #WelcomeMastantuono
— Real Madrid C.F. (@realmadrid) August 14, 2025

This approach is not new for Madrid — the club used a similar strategy in 2018 with Vinícius Jr., allowing for squad flexibility while keeping certain numbers, such as 25, available in case of late transfer window activity. Under LaLiga rules, first-team squad numbers must run from 1 to 25, but Mastantuono’s situation offers an exception. Being under 23 means he can play the entire season wearing number 30, regardless of appearances, without being reassigned a senior squad number.

Registration Tactics and Long-Term Vision for Franco

Despite his registration status, Mastantuono remains a first-team player in every sense. The club is making use of what could be described as a legal loophole — he will not feature for Castilla unless specifically chosen, yet his appearances will count toward the three-year residency needed for UEFA to consider him homegrown in future Champions League squads.

This tactical move provides Madrid with added flexibility in the final weeks of the summer transfer window, which closes on September 2. The number 25 shirt remains vacant should an additional signing arrive.

Financially, Mastantuono will earn around €3.5 million annually — a relatively modest figure by Real Madrid’s standards but significant for a player yet to play in Europe and still weeks away from his 18th birthday.

His arrival is underpinned by a long-term commitment. The midfielder has signed a six-year contract running until 2031, demonstrating Madrid’s intent to develop him into a future cornerstone of the squad. Known for his versatility, technical quality, and composure well beyond his years, he is one of the most eagerly awaited young talents to join the club in recent memory.

With the shirt number confirmed and his presentation complete, the focus now shifts to how quickly Mastantuono adapts to Spanish football’s demands and whether he can live up to the considerable expectations surrounding his debut season.