The True Ages Of The World’s Most Famous Sergios: Ramos, Pérez, And Agüero In Late 2025

The question "how old is Sergio" is not as simple as it sounds, as the name belongs to some of the most influential and currently active figures in global sports. As of late 2025, the three most searched-for Sergios—a legendary defender, an F1 star, and a retired football striker—are navigating crucial, high-profile career phases. The ages of these icons range from the mid-30s to the cusp of 40, a time when many athletes transition to new roles or, in some cases, make stunning comebacks. We break down the exact age and the very latest, most current career updates for each global superstar named Sergio.

This deep dive provides the most up-to-date information, confirming their current ages and detailing their recent career moves, including major 2026 announcements and post-retirement ventures. The longevity and impact of these athletes continue to dominate headlines, making their current age a frequent point of curiosity for fans worldwide.

The Definitive Biography and Current Age of Three Global Icons

To accurately answer the question of "how old is Sergio," we must look at the three most prominent figures currently in the global spotlight: Sergio Ramos, Sergio Pérez, and Sergio Agüero.

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Sergio Ramos García: The Legendary Defender

• Full Name: Sergio Ramos García
• Date of Birth: March 30, 1986
• Current Age (as of December 2025): 39 years old
• Place of Birth: Camas, Seville, Spain
• Primary Sport: Football (Soccer)
• Position: Centre-back (Defender)
• Notable Clubs: Sevilla FC, Real Madrid, Paris Saint-Germain, Monterrey
• Major Honors: 4x UEFA Champions League, 5x La Liga, 2x European Championship, 1x FIFA World Cup

Sergio Michel "Checo" Pérez Mendoza: The F1 Racing Star

• Full Name: Sergio Michel Pérez Mendoza
• Date of Birth: January 26, 1990
• Current Age (as of December 2025): 35 years old
• Place of Birth: Guadalajara, Jalisco, Mexico
• Primary Sport: Formula 1 Racing
• Team (2025): Red Bull Racing (Current until the end of the 2025 season)
• Team (2026): Cadillac F1 Team (Confirmed)
• Nickname: Checo Pérez

Sergio Leonel "Kun" Agüero del Castillo: The Retired Striker and Streamer

• Full Name: Sergio Leonel Agüero del Castillo
• Date of Birth: June 2, 1988
• Current Age (as of December 2025): 37 years old
• Place of Birth: Buenos Aires, Argentina
• Primary Sport: Football (Soccer) - Retired
• Position: Striker
• Notable Clubs: Independiente, Atlético Madrid, Manchester City, FC Barcelona
• Current Role: Content Creator, Streamer (Kun Agüero), Esports Owner (KRÜ Esports)

Sergio Ramos: The 39-Year-Old Free Agent and His 2026 European Dream

At 39, Sergio Ramos is a testament to incredible athletic longevity, but his career is currently at a fascinating crossroads. After a brief but impactful spell in Liga MX with Monterrey, the Spanish defender's contract expired, making him a free agent in late 2025.

The veteran center-back, known for his relentless intensity and goal-scoring ability, is reportedly keen on an emotional return to European football for the 2026 season. This desire to close his storied 22-year playing career closer to home has sparked widespread transfer speculation.

Rumors are buzzing about potential high-profile offers from European clubs, with some reports even linking the former Real Madrid captain to a potential move to the Premier League, specifically mentioning Manchester United. While his age suggests a move toward retirement, Ramos is committed to extending his playing career, proving that 39 is merely a number for one of football's most decorated defenders.

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Sergio Pérez: The 35-Year-Old F1 Star's Shock 2026 Move

Mexican racing sensation Sergio "Checo" Pérez is 35 years old and continues to be one of the top drivers in Formula 1. His career has been defined by his consistency and ability to secure clutch victories, making him a perennial fan favorite.

However, the biggest news surrounding Checo is his confirmed move for the 2026 F1 season. After a successful stint with Red Bull, Pérez has officially signed a multi-year deal to drive for the new Cadillac F1 team alongside Valtteri Bottas. This monumental announcement, made in late 2025, positions Pérez as a key figure in the debut of a major new constructor in the sport.

His experience and race-winning pedigree will be invaluable to the American team as they enter the new era of Formula 1 regulations. The move solidifies his status as a long-term fixture in the pinnacle of motorsport, with his 35th birthday marking a new chapter rather than a winding down of his career.

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Sergio Agüero: The 37-Year-Old Life Beyond the Pitch

At 37, Sergio "Kun" Agüero has transitioned from a prolific striker to a highly successful digital content creator after his forced retirement due to a cardiac arrhythmia in late 2021.

While his playing days are over, Kun remains deeply embedded in the football world and beyond. He is a prominent figure in the streaming community, often broadcasting on platforms like Twitch to millions of viewers. His candid interviews and involvement in the esports scene—as the owner of KRÜ Esports—keep his profile incredibly high.

In late 2025, Agüero has been actively involved in promoting and analyzing the upcoming FIFA Club World Cup 2025, offering expert commentary and assessing the chances of clubs like Lionel Messi’s Inter Miami. Furthermore, his celebrity status has led him to participate in innovative content series, such as driving a Formula E car as part of a Porsche racing driver segment, showcasing his continued passion for speed and competition outside of football.

The Legacy of the Sergios: Longevity and Influence

The collective careers of these three athletes—Ramos, Pérez, and Agüero—demonstrate that the mid-to-late 30s can be a period of immense change and continued influence. For Sergio Ramos, 39 represents a final push for a European swansong, showcasing his enduring desire to compete at the highest level.

For Checo Pérez, 35 is the age of a major career pivot, moving to a new team for the 2026 season and taking on the responsibility of establishing a brand-new F1 constructor. His leadership will be crucial for Cadillac’s success.

And for Kun Agüero, 37 is the age of a successful transition, proving that a career-ending health issue does not mean the end of a public life. His move into streaming, esports, and football punditry has secured his relevance for a new generation of fans. Whether you are asking "how old is Sergio" regarding the defensive titan, the F1 veteran, or the streaming icon, the answer is that all of them are at a peak moment of their current professional lives in late 2025.