Barcelona are eager for one of their wingers to leave before the closure of the transfer window.
Hansi Flick's side are interested in a potential loan move for Manchester United's Marcus Rashford.
Barcelona face competition from Borussia Dortmund for Rashford but may only be able to press ahead with a deal if a player departs first.
The Catalan club could be helped by Jose Mourinho, who is eager to sign a new winger for Fenerbahce.
Fenerbahce have started negotiations to terminate Allan Saint-Maximin's loan from Al-Ahli, having been unhappy with his performances so far.