Barcelona could include Lucas Digne in their bid to bring Thiago Alcantara back to the club from Bayern Munich.
Thiago is available for transfer this summer and various Barca players have asked club president Josep Maria Bartomeu to re-sign the 27-year-old.
Bayern were initially considering seeking a fee of €70m for the playmaker, but they are aware they may have to lower their demands.
The Bundesliga champions are willing to accept France defender Digne, who is valued between €15m and €20m and is also wanted by Juventus, as part of the deal.