Marco Verratti has been a loyalist to the Paris Champions over the past years. He's always been consistent with the squad. Since Luis Enrique has no good relationship with him, he'll create or make the environment and dressing room uncomfortable for him.
It's best if he finally leaves for the Saudi's, they have made several approach for the player I still don't know what's cooking with the much delays.

With Lionel Messi and Neymar Junior absence, it'll be collectively togetherness amongst the entire squad and players to achieve whatever results needed. Main focus should be channelled towards winning the Champions League. It's possible, Manchester City did it. It took them years to achieve that but they finally did.