Atletico Madrid director Andrea Berta has flown to London to try to land Chelsea stars Pedro and Diego Costa.
Chelsea face a battle to convince Nemanja Matic he has a future at Stamford Bridge.
Stoke have submitted a club record £19m bid for Porto midfielder Giannelli Imbula
Real Madrid defender Nacho is being chased by a host of clubs after it emerged his future at the Bernabeu remains unclear
Chelsea have confirmed defender Djilobodji has moved to Werder Bremen on loan until the end of the season.
Chelsea have also announced the temporary exit of young forward Alex Kiwomya.
Kiwomya, who plays as a striker or winger, is joining joining Fleetwood Town on a month's loan.
Neymar's father has denied claims his son held talks with representatives from Real Madrid at the Ballon d'Or ceremony.
Reports in Spain claimed the Barcelona star, along with his agent, Wagner Ribeiro, and his father, met with members of the Madrid hierarchy in Zurich ahead of the awarding of Lionel Messi's fifth Ballon d'Or.
Atletico Madrid are keen to talk to Chelsea over moves for Spain duo Diego Costa and Pedro as they look to offload Jackson Martinez after a poor first season in La Liga.
The agent of Edinson Cavani has contacted Manchester United over signing the £50m-rated PSG striker also wanted by Arsenal.
Laurent Blanc is close to signing a contract extension with PSG which will shatter any hope of Manchester United replacing Louis van Gaal with the Frenchman.
Arsenal are locked in talks with Roma over an extension to Wojciech Szczesny's loan deal.
Aston Villa are in talks with former Manchester United defender Nemanja Vidic, 34, about a return to the Premier League.
Manchester United are considering making a bid for Paris St-Germain's Uruguay striker Edinson Cavani, 28.
Arsenal are willing to spend £37m on Switzerland midfielder Granit Xhaka, 23, who could leave Borussia Monchengladbach in the summer.
Chelsea have agreed an £8m deal for Corinthians' 26-year-old Brazil striker Alexandre Pato.
Pato is willing to take a pay cut to join Chelsea, and has agreed a three-year deal in principle.
The arrival of Pato could see striker Radamel Falcao, 29, end his loan spell at Chelsea and return to parent club Monaco.