I am sure we will see some very big transfers in the summer. In the past years we have seen clubs that were very good perform very badly, similarly weak teams have been very successful. After years PSG managed to become champions, teams in the Italian league have become very strong, Premier League teams have been very unsuccessful.
I definitely think we will have a very different year with big transfers and new squads. PSG will not be able to do back to back
If there is one person who is most responsible for PSG's success in winning the Champions League trophy, then that person is Luis Enrique. PSG is completely different since he took charge. Old PSG used to be very wasteful and liked to waste money just to get star players, but now they have become wiser in building a squad.
It's certainly not easy for PSG to do back to back but that doesn't mean they don't have the potential, because as long as they are still handled by Luis Enrique and not much has changed with their squad, then they still have that chance.