Manchester City defender Aleksandar Kolarov admits a return to Italy appeals to him.
Defender Mats Hummels admits he is pondering his future at Borussia Dortmund and refuses to rule out a transfer abroad.
Leicester manager Nigel Pearson has refused to be drawn on whether Jeff Schlupp is set to sign for Manchester United.
Schlupp's trial period with the 12-time Premier League champions has been extended into a third week.
Asked whether the 20-year-old may join Sir Alex Ferguson's side, Pearson told the media: "I don't know at this point. He's still at Manchester United. It's as it was.
"It's an arrangement between the two clubs and Jeff is enjoying himself there. Both clubs are happy and we will see where it takes us."