The power dynamic at Paris Saint-Germain is a curious watch, with Lionel Messi set to formalise an agreement to remain for another season.
Kylian Mbappe re-signed with the French champions in May until 2025 but is still being linked with a move away from the club.
Messi beat Mbappe in the World Cup final earlier this month and Barcelona believe an opportunity could arise.
Mundo Deportivo claim Barcelona are ready to make a shock move to sign Mbappe.
Speculation over Mbappe’s future is intensifying amid reports that he has been further frustrated at the Parc des Princes after Messi pledged to extend his loan spell at PSG.
The 24-year-old has been close to a move to Real Madrid in the past, but has been cut by Los Blancos since dealing with heavy criticism after opting to extend his contract with PSG, and could instead move to their fierce LaLiga rivals .