Chelsea signed Aaron Anselmino from Boca Juniors.

Aaron Anselmino is an Argentine footballer who plays as a defender for Premier League club Chelsea.

Brentford signed Gustavo Nunes from Grêmio.

Gustavo Nunes Fernandes Gomes, known as Gustavo Nunes, is a Brazilian professional footballer who plays as a forward for Premier League club Brentford.

Real Sociedad signed Orri Óskarsson from FC Copenhagen.

Orri Steinn Óskarsson is an Icelandic professional footballer who plays as a forward for La Liga side Real Sociedad and the Iceland national team.

Nottingham Forest signed David Carmo from FC Porto.

David Mota Veiga Teixeira do Carmo is a professional footballer who plays as a centre-back for Premier League Nottingham Forest.

Manchester City signed Divin Mubama from West Ham United.

Divin Saku Mubama is an English professional footballer who plays as a forward, most recently for Premier League club Manchester City.

Rennes signed Mika Faye from Barcelona.

Mikayil Ngor "Mika" Faye is a Senegalese professional footballer who plays as a centre-back for Ligue 1 club Rennes and the Senegal national team.

Porto signed Samu Omorodion from Atlético Madrid.

Samuel "Samu" Omorodion Aghehowa is a Spanish professional footballer who plays as a forward for Primeira Liga club Porto.

Monaco signed Jordan Teze from PSV.

Jordan Teze is a Dutch professional footballer who plays as a right-back or centre-back for Ligue 1 club Monaco and the Netherlands national team.

Girona signed Yáser Asprilla from Girona.

Yáser Esnéider Asprilla Martínez is a Colombian professional footballer who plays as a midfielder for La Liga club Girona and the Colombia national team.

Real Betis signed Vitor Roque from Barcelona.

Vitor Hugo Roque Ferreira, commonly known as Vitor Roque, is a Brazilian professional footballer who plays as a forward for La Liga club Real Betis, on loan from La Liga club Barcelona, and the Brazil national team.