Paris Saint-Germain president Nasser Al Khelaifi is currently in Madrid.
The PSG chief was pictured leaving a restaurant in the city on Thursday, having travelled to the Spanish capital with a number of potential issues to address.
Neymar paperwork problem to be resolved
One is freeing up new signing Neymar to make his debut for the Ligue 1 giants, with former club Barcelona withholding the Brazilian's International Transfer Certificate until they have received his 222-million-euro fee in full.
PSG keen on Atlético keeper Oblak
The Qatari could also be in Spain to negotiate with Atlético Madrid over goalkeeper Jan Oblak, who is being linked with a summer switch to Paris. Al Khelaifi has reportedly arranged a meeting with the Slovenian's agent on Saturday.
However, Atlético are understood to be firmly against the sale of Oblak, particularly after the Court of Arbitration for Sport's decision to uphold their FIFA transfer ban. The 24-year-old's release clause stands at 100 million euros.
Real Madrid linked with PSG's Meunier
Finally, Real Madrid are now being tipped to move for PSG right-back Thomas Meunier - and with the recent arrival of Dani Alves at the Parc des Princes, Al Khelaifi may also be in Madrid for talks over the Belgian.