I think barcelona will win this champion, since luis enrique found the best formula For that team. And I think he'll make a good prize at the end of this contract. 
anything can happen in football. Do not expect excessively against Barcelona, because their opponents now are Juventus, they have ambitions of their own against Barcelona, and they will learn from PSG, how large team of France could make a lot of goals against Barcelona and certainly Juventus will utilize the lessons of Barcelona before the match.