Chelsea boss Jose Mourinho made an approach to sign Roma defender Kostas Manolas.
Chelsea midfielder Jeremie Boga has left the club to join Stade Rennes of Ligue 1 on loan until the end of the season.
Fellow midfielder Lucas Piazon was also loaned out for one season. He joins Reading until the end of the campaign.
Everton have signed defender Ramiro Funes Mori from Argentine club River Plate but he will not replace John Stones in the heart of the defence.
Chelsea and Manchester United have received a major boost in their battle to sign Axel Witsel.
Chelsea are lining up a deadline day bid for Juventus midfielder Paul Pogba and will offer £88m to sign the player, Express Sport has reported.