Sunderland have completed the signing of Didier Ndong for a club-record £13.6 million from Lorient.
Chelsea are confident of signing David Luiz although PSG are holding out for an offer of between £40 million to £45m, sources have told ESPN FC.
Unai Emery has suffered a setback early on in his Paris Saint-Germain tenure, with questions over tactics and team selection, writes Julien Laurens.
Andy Delort is in Mexico preparing for a move to Tigres but Caen have warned that a final agreement over the striker's transfer has yet to be reached.
Lassana Diarra could join Galatasaray after Monaco vice-president Vadim Vasilyev said that his club had turned down the chance to sign the midfielder.
Paris Saint-Germain are considering the sale of David Luiz after former club Chelsea tabled a substantial offer to take the defender back to the club.