Summer 2025 transfer window: The 10 most expensive transfers including Alexander Isak, Florian Wirtz

Discover at a glance the transfers that shook football this summer. The top 10 of the 2025 transfer window reveals astonishing figures, with Liverpool and Manchester United taking centre stage.

More than £800m was spent on just the ten most expensive players, including a historic record: the Reds shelled out £125m for Isak, the highest-ever fee in Premier League history. Unsurprisingly, the English top flight dominates this ranking with eight clubs, while Galatasaray made a mark by signing Osimhen and entering the top 10. From broken records to emerging talents and dramatic twists, these figures have reshaped the landscape of European football.

---

Eberechi Eze

The English attacking midfielder joined Arsenal from Crystal Palace in a deal worth £67.5m.

The Gunners agreed to a guaranteed fee of £60m, plus £7.5m in add-ons. Eze's arrival adds depth to Arsenal's attacking options alongside Bukayo Saka, Gabriel Martinelli, Noni Madueke, Leandro Trossard, and Kai Havertz.

---

Luis Diaz

The Colombian winger made a £65.5m move from Liverpool to Bayern Munich.

Bayern secured the versatile forward, who sought a new challenge, for a fee that reflects the value of an established player in Europe. Diaz's adaptation to the Bundesliga is highly anticipated. 

---

Matheus Cunha

The Brazilian forward joined Manchester United from Wolverhampton Wanderers for £62.5m.

This transfer underscores the enthusiasm for Cunha's technical and decisive play, although the fee surprised some market observers. Cunha embarks on a new chapter of his career at Old Trafford. 

---

Victor Osimhen

The Nigerian striker completed a £64.8m transfer from Napoli to Galatasaray.

This move makes Osimhen the most expensive incoming transfer in Turkish football history. Galatasaray opted to sell their prolific scorer rather than risk losing him for free next year. Osimhen had already spent the previous season on loan at the Turkish club. 

---

Bryan Mbeumo

The Cameroonian winger signed with Manchester United from Brentford for a reported £70m.

United secured this African talent, known for his effectiveness in the Premier League, to strengthen their attacking options. Mbeumo's versatility is expected to be a significant asset for the Red Devils. 

---

Benjamin Sesko

The Slovenian forward joined Manchester United from RB Leipzig for a base fee of £71.5m, potentially rising to £85m with add-ons.

United view Sesko as a promising replacement for Rasmus Hojlund, who was transferred to Napoli. The young striker aims to establish himself in a competitive squad.

---

Nick Woltemade

The German international forward joined Newcastle United from Stuttgart for a club-record £69m.

This significant investment reflects Newcastle's ambition and the rising star's potential. Woltemade's arrival increased the likelihood of Alexander Isak's departure to Liverpool. 

---

Hugo Ekitike

The French forward made a £79m move from Eintracht Frankfurt to Liverpool, becoming the club's most expensive striker.

Liverpool agreed to pay an initial £69m fee, with an additional £10m in performance-related add-ons. Ekitike's potential was evident during his time at Paris Saint-Germain and Eintracht Frankfurt.

---

Florian Wirtz

The German prodigy joined Liverpool from Bayer Leverkusen for a total of £116m, including add-ons.

Wirtz's arrival at Anfield has generated excitement among supporters, as the attacking midfielder is expected to make a significant impact.

---

Alexander Isak

The Swedish striker made a record-breaking £125m move from Newcastle United to Liverpool, setting a new British transfer record.

The deal, which includes no add-ons but benefits Newcastle via a loyalty payment saving, effectively totals £130m. Isak's acquisition marks a statement of intent from Liverpool as they aim to strengthen their attacking options. 

---

A 2025 summer transfer window that broke the scales

The summer 2025 transfer window has witnessed unprecedented spending, with over £800 million spent on the top 10 most expensive signings alone.

Liverpool and Manchester United have been at the forefront, making significant investments to bolster their squads. The Premier League continues to dominate the European football landscape, with clubs like Galatasaray also making notable moves. This spending spree has redefined the priorities of coaches and managers, reshaping the competitive landscape of European football.

1. Alexander Isak – Newcastle United → Liverpool – £125m (effectively £130m including loyalty payment)
2. Florian Wirtz – Bayer Leverkusen → Liverpool – £116m (including add-ons)
3. Hugo Ekitike – Eintracht Frankfurt → Liverpool – £79m (£69m initial + £10 million add-ons)
4. Benjamin Sesko – RB Leipzig → Manchester United – £71.5m (rising to £85m with add-ons)
5. Bryan Mbeumo – Brentford → Manchester United – £70m
6. Nick Woltemade – Stuttgart → Newcastle United – £69m
7. Eberechi Eze – Crystal Palace → Arsenal – £67.5m (£60m initial + £7.5m add-ons)
8. Luis Diaz – Liverpool → Bayern Munich – £65.5m 
9. Victor Osimhen – Napoli → Galatasaray – £64.8m
10. Matheus Cunha – Wolverhampton Wanderers → Manchester United – £62.5m

This article was originally published on Top Mercato.