By Joshua Tosin Ogunsakin 
As the 2025 summer transfer window nears its close, it has proved to be one of the most dramatic and expensive in football history, with clubs across Europe breaking records to secure world-class talent.
From Liverpool’s bold double swoop on the market to Manchester United’s attacking rebuild, Arsenal’s midfield reinforcements, to Victor Osimhen joining Galatasaray, the window delivered a mix of expected blockbusters and surprising twists.
Here are the 10 biggest transfers of the summer, ranked by their fees:
1. Alexander Isak (Newcastle → Liverpool) – £130m with add-ons.
2. Florian Wirtz (Bayer Leverkusen → Liverpool) – £100m rising to £116m
3. Hugo Ekitike (Eintracht Frankfurt → Liverpool) – £69m rising to £79m with add-ons
4. Nick Woltemade (Stuttgart → Newcastle United) – £73.5m rising to £77.8m with add-ons
5. Benjamin Sesko (RB Leipzig → Manchester United) – £66.2m rising to £73.4m with add-ons
6. Bryan Mbeumo (Brentford → Manchester United) – £65m rising to £71m with add-ons
7. Victor Osimhen (Napoli → Galatasaray) – £64.8m
8. Matheus Cunha (Wolves → Manchester United) – £62.5m
9. Luis Díaz (Liverpool → Bayern Munich) – £60.5m rising to £64.8m with add-ons
10. Eberechi Eze (Crystal Palace → Arsenal) – £60m rising to £67.5m with add-ons