Al-Ahli signed Roberto Firmino from Liverpool.

Roberto Firmino Barbosa de Oliveira is a Brazilian professional footballer who plays as a forward or attacking midfielder for Saudi Professional League club, Al Ahli and the Brazil national team.

Al-Ahli Saudi Football Club is a Saudi Arabian professional football club based in Jeddah, that competes in the Saudi Professional League. The club was founded in 1937.

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Benfica signed Angel Di Maria from Juventus.

Ángel Fabián Di María is an Argentine professional footballer who plays as a right winger or attacking midfielder for Primeira Liga club Benfica and the Argentina national team.

Sport Lisboa e Benfica, commonly known as Benfica, is a professional football club based in Lisbon, Portugal, that competes in the Primeira Liga, the top flight of Portuguese football, where they are the current champions.

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Brazilian footballer Luan attacked by his own club supporters.

Luan Guilherme de Jesus Vieira is a Brazilian professional footballer who plays as an attacking midfielder for Corinthians.

Sport Club Corinthians Paulista, commonly referred to as Corinthians, is a Brazilian professional sports club based in São Paulo, in the district of Tatuapé.

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Real Madrid signed Arda Guler from Fenerbahçe.

Arda Güler is a Turkish professional footballer who plays as a midfielder for La Liga club Real Madrid and the Turkey national team.

Real Madrid Club de Fútbol, commonly referred to as Real Madrid, is a Spanish professional football club based in Madrid

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Bayer Leverkusen signed Granit Xhaka from Arsenal.

Granit Xhaka is a Swiss professional footballer who plays as a midfielder for Bundesliga club Bayer Leverkusen and captains the Switzerland national team.

Bayer 04 Leverkusen Fußball GmbH, also known as Bayer 04 Leverkusen, Bayer Leverkusen, or simply Leverkusen, is a professional football club based in Leverkusen, North Rhine-Westphalia, Germany.

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Inter Milan signed Davide Frattesi from Sassuolo.

Davide Frattesi is an Italian professional footballer who plays as midfielder for Serie A club Inter Milan, on loan from Sassuolo, and the Italy national team.

Football Club Internazionale Milano, commonly referred to as Internazionale or simply Inter, and colloquially known as Inter Milan in English-speaking countries, is an Italian professional football club based in Milan, Lombardy.

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Paris Saint-Germain signed Manuel Ugarte from Sporting.

Manuel Ugarte Ribeiro is a Uruguayan professional footballer who plays as a defensive midfielder for Ligue 1 club Paris Saint-Germain and the Uruguay national team.

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AC Milan signed Christian Pulisic from Chelsea.

Christian Mate Pulisic is an American professional soccer player who plays as a winger or attacking midfielder for Serie A club AC Milan and captains the United States national team.

Associazione Calcio Milan, commonly referred to as AC Milan or simply Milan, is a professional football club in Milan, Italy, founded in 1899.

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Juventus signed Timothy Weah from Lille.

Timothy Tarpeh Weah is an American professional soccer player who plays as a winger for Serie A club Juventus and the United States national team.

Juventus Football Club, colloquially known as Juve, is a professional football club based in Turin, Piedmont, Italy, that competes in the Serie A, the top tier of the Italian football league system.

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Atlético Madrid signed César Azpilicueta from Chelsea.

César Azpilicueta Tanco is a Spanish professional footballer who plays as a defender for Premier League club Chelsea and the Spain national team.

Club Atlético de Madrid, S.A.D., known simply as Atleti in the Spanish-speaking world and commonly referred to at international level as Atlético Madrid, is a Spanish professional football club based in Madrid that plays in La Liga.

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