Chelsea's owners BlueCo have agreed to buy a stake in Ligue 1 club Strasbourg in their plans for multi-club ownership.
Arsenal have come to an agreement with Chelsea over German striker Kai Havertz's transfer fee.
Manchester United have made an improved bid of up to £50 million for Mason Mount as talks continue with Chelsea.
Arsenal are closing in on Chelsea forward Kai Havertz, while also preparing a third bid for West Ham skipper Declan Rice.
Manchester City have agreed a £30million deal with Chelsea to sign midfielder Mateo Kovacic, according to media reports.
Chelsea midfielder N'Golo Kante will join Saudi club Al-Ittihad once his contract with the Blues expires at the end of the month.