The 24-year-old is considering his options during the current transfer window and he could leave if the right offer comes in.
Arsenal, according to Sport, are now also in the running to sign Rafinha after adding him to their shortlist.
Celta Vigo and Inter Milan are interested in the Brazil international and are ready to make formal offers.
The Gunners are expected to sell Francis Coquelin during the current transfer window, meaning they would be in the market for a midfielder.
Manager Arsene Wenger is a long-term admirer of Rafinha and he could be about to finally get his man.