PSG aware about that and they keep make their squad even stronger. They keep sign the new players and fix their loopholes in order to defend their UCL title. There is nothing to feel worry about.
Enrique knows very well what he shall do to prepare his club to face another difficult season. Also they will have so many players being returned from loan.
There is no doubt that PSG played brilliantly last season. The team played well and at the same time they were lucky. They were able to win every title. Luis Enrique knows very well that if he wants to do well in the Champions League next season, he needs a stronger squad. Because Real Madrid, lliverpool and barcelona are trying their best to strengthen their squad. If PSG cannot strengthen the squad, they will fall behind in the competition.
Luis Enrique is an experienced coach, there is no doubt about it . With the help of Enrique, psg played so well last season. However, it cannot be denied that PSG will be far behind when compared to liverpool and madrid. And Luis enrique knows this very well. And that is why Enrique is taking the necessary steps to strengthen the squad. PSG will try to win the Champions League title next season as well.