15 Biggest Transfers in the World in 2025 Summer Transfer Window

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Below, the players are ranked according to their initial fees, with details on potential add-ons.

1) Matheus Cunha (Wolves to Manchester United) – £62.5m

Manchester United were determined to strengthen their attacking options and turned to Cunha after his solid Premier League season with Wolves. Though financial restrictions complicated negotiations, both sides eventually reached an agreement. Cunha's versatility across the front line gives United more flexibility in their attacking approach.

2) Dean Huijsen (Bournemouth to Real Madrid) – £50m

Real Madrid identified Huijsen as a future defensive cornerstone. Having joined Bournemouth only a year prior, the Dutch centre-back’s rise has been rapid. Real Madrid acted swiftly, meeting his release clause and beating several European rivals to his signature. The deal reflects their continued emphasis on securing emerging talent.

3) Tijjani Reijnders (AC Milan to Manchester City) – £46.6m rising to £59.2m with add-ons

Manchester City secured one of Serie A’s most consistent midfielders to add depth and energy to their midfield rotation. Reijnders impressed with his passing range, work rate, and tactical intelligence, making him a natural fit for Pep Guardiola’s system as City prepare for another intense season across multiple competitions.

4) Franco Mastantuono (River Plate to Real Madrid) – £38.5m

Real Madrid once again demonstrated their proactive approach to recruiting South American talent. Mastantuono, only 18, attracted interest from PSG and other top clubs before choosing Madrid. The attacking midfielder’s vision and composure have drawn comparisons to some of Argentina’s finest exports.

5) Jean-Clair Todibo (Nice to West Ham United) – £35.4m

West Ham's successful Premier League survival triggered the clause that made Todibo’s loan permanent. The French defender is seen as a long-term partner at the heart of West Ham's defense, bringing strength, composure, and aerial ability to a team that aims for mid-table stability or better.

6) Rayan Ait-Nouri (Wolves to Manchester City) – £31m rising to £36.3m with add-ons

Manchester City continued to reinforce their full-back options by signing Ait-Nouri. His combination of defensive reliability and attacking drive made him one of Wolves’ standout performers, and his adaptability will give Guardiola even more tactical choices on both flanks.

7) Rayan Cherki (Lyon to Wolves) – £30.5m plus add-ons

Wolves made a statement by acquiring Cherki, a highly-rated playmaker who has long been linked with some of Europe’s biggest clubs. At 21, he brings flair and creativity, with the potential to be the centerpiece of Wolves’ attacking rebuild.

8) Liam Delap (Ipswich Town to Chelsea) – £30m

Delap's move reflects Chelsea's continued focus on securing young domestic talent. After an excellent season at Ipswich, his clinical finishing and physical presence up front convinced Chelsea to meet his release clause early in the window.

9) Mathys Tel (Bayern Munich to Tottenham Hotspur) – £30m

Tel’s loan spell in North London was successful enough to prompt Tottenham to exercise their option to buy. The young French forward impressed with his movement and versatility, and manager Thomas Frank sees him as an important piece of Spurs’ evolving attack.

10) Charalampos Kostoulas (Olympiacos to Brighton) – £29.8m rising to £31.5m with add-ons

Brighton have again turned to emerging European talent, this time investing heavily in Kostoulas. The 18-year-old Greek striker showed promise at Olympiacos, scoring consistently in his debut season. Brighton hope his development follows a similar path to previous successful signings.

11) Jeremie Frimpong (Bayer Leverkusen to Liverpool) – £29.5m

Liverpool acted quickly to replace Trent Alexander-Arnold, who departed for Real Madrid. Frimpong’s energetic style and attacking threat down the right flank will help maintain Liverpool’s offensive width while bringing a different dynamic to their back line.

12) Estevao (Palmeiras to Chelsea) – £29m rising to £52m with add-ons

The 17-year-old Brazilian winger was highly sought after by multiple European giants. Chelsea moved aggressively to secure Estevao, who has already been hailed as one of the brightest talents in South America. His arrival continues Chelsea's trend of building for the future.

13) Jobe Bellingham (Sunderland to Borussia Dortmund) – £25.8m rising to £30m with add-ons

Following his brother Jude’s path, Jobe Bellingham joins Dortmund after an impressive season with Sunderland. Dortmund are optimistic that the younger Bellingham will flourish under their developmental system, which has produced several elite talents.

14) Yan Couto (Manchester City to Borussia Dortmund) – £25m

Despite never featuring for Manchester City, Couto impressed during multiple loan spells. Dortmund secured the Brazilian full-back on a permanent deal, seeing him as a valuable option for their defense with his pace and crossing ability.

15) Nico Gonzalez (Fiorentina to Juventus) – £21m rising to £25m with add-ons

Juventus exercised their obligation to sign Gonzalez after a strong loan campaign. The Argentine winger offers both creativity and work rate, strengthening Juventus' attacking depth as they rebuild their squad following an inconsistent season.