Jeremy Mathieu and Alex Song are reportedly weighing up offers to leave Barcelona, with Besiktas and Rubin Kazan the clubs in question.
According to NTVSpor, Besiktas have made a formal bid of €7m for Mathieu after switching their attentions to the Frenchman from Thomas Vermaelen.
Barca’s surplus of defenders following the arrivals of Lucas Digne and Samuel Umtiti mean the 32-year-old may be discarded.
Mathieu fell down the centre-back pecking order last season, while Digne is a left-back by trade and Umtiti can also play there.
However, it remains to be seen if Barca will take a €13m loss on a player they bought for €20m from Valencia two years ago.
Song’s departure, on the other hand, seems more clear-cut as Sport reports “an agreement in principle” between Barca and Rubin for the midfielder, although a fee is undisclosed at this stage.
The former Arsenal man made 65 appearances for La Blaugrana between 2012 and 2014 but has spent the last two seasons on loan at West Ham United.