Barcelona
PSG working hard to retain Adil Aouchiche and Tanguy Kouassi ....
Everything could change if PSG comes up short ....
PSG will have to look elsewhere for a world-class center-back ....
PSG can compete with Europe's elite but Ligue 1 teams need more revenue to keep their best players ....
Barcelona hasn't looked great all season and even former players are now desperate for Neymar ....