Manchester United manager Louis van Gaal has refused to rule out the possibility of signing goalkeeper Victor Valdes.
Manchester City boss Manuel Pellegrini says he is confident that England goalkeeper Joe Hart will sign a new contract.
Crystal Palace have signed French defender Florian Marange on a free transfer from Bordeaux.
The 27-year-old has signed a one-year deal.
Marange joins Stephen Dobbie, Dwight Gayle, Jerome Thomas, Jose Campana, Kevin Phillips, Elliot Grandin and Marouane Chamakh in moving to Selhurst Park this summer as Ian Holloway's men mount a first top-flight campaign in eight years.