Franco Mastantuono is one of the most expensive players in this transfer market.

At just 17 years old, Franco Mastantuono shook up the market with his transfer from River to Real Madrid  in a deal worth 45 million euros. These figures made him the most expensive sale in the history of the Millonario and, currently, the only transfer from South America to Europe within the top 10 of this transfer window.

According to the specialized outlet Transfermarkt, the signing of the young player by Los Blancos makes him the ninth most valuable player of this transfer window.

Among the major moves of this market, the podium is comfortably led by German Florian Wirtz, who moved from Bayer Leverkusen to Liverpool for 125 million euros. He is followed by Brazilian Matheus Cunha, sold from Wolverhampton to Manchester United for 74.2 million, and Spaniard Martín Zubimendi, who left Real Sociedad to join Arsenal for 70 million.

The ranking is completed by names such as Jamie Bynoe-Gittens (Dortmund to Chelsea), João Pedro (Brighton to Chelsea), Dean Huijsen (Bournemouth to Real Madrid), Tijjani Reijnders (Milan to Manchester City), Milos Kerkez (Bournemouth to Liverpool), and Álex Baena (Villarreal to Atlético de Madrid).

The top 10 of the transfer window

1. Florian Wirtz | 125 million from Bayer Leverkusen to Liverpool
2. Matheus Cunha | 74.2 million from Wolverhampton to Manchester United
3. Martín Zubimendi | 70 million from Real Sociedad to Arsenal
4. Jamie Bynoe-Gittens | 64.3 million from Borussia Dortmund to Chelsea
5. João Pedro | 63.7 million from Brighton and Hove Albion to Chelsea
6. Dean Huijsen | 63.5 million from Bournemouth to Real Madrid
7. Tijjani Reijnders | 55 million from Milan to Manchester City
8. Milos Kerkez | 46.9 million from Bournemouth to Liverpool
9. Franco Mastantuono | 45 million from River Plate to Real Madrid
10. Álex Baena | 42 million from Villarreal to Atlético de Madrid