Newcastle United have confirmed the signing of AC Milan midfielder Sandro Tonali on Monday for a reported £60 million fee that will make the most expensive Italian player of all time.
The Mauricio Pochettino era has officially begun after his arrival at Chelsea training for his first day in charge of the Blues.
Liverpool have signed Hungarian midfielder Dominik Szoboszlai from Bundesliga club RB Leipzig for £60 million on a five-year deal.
Former Arsenal, Chelsea and Barcelona midfielder Cesc Fabregas has announced his retirement from football at the age of 36.
Chelsea have completed the signing of Senegal forward Nicolas Jackson on an eight-year contract from Villarreal.
Manchester United have agreed to sign England midfielder Mason Mount from Chelsea for an initial £55 million ($69 million), according to reports.
Senegal captain Edouard Mendy has left Chelsea after three years to join Saudi Pro League side Al-Ahli.
Tottenham Hotspur have signed England midfielder James Maddison on a five-year deal for £40 million from Leicester City.
Arsenal have signed Germany forward Kai Havertz from Chelsea on a five-year deal until 2028 for £65 million.
Manchester City have announced the signing of Croatia midfielder Mateo Kovacic from Chelsea following the departure of captain Ilkay Gundogan.