Paris Saint Germaine has been inconsistent since the start of the season despite spending a whole lot of money in the transfer market during the summer transfer window to sign quality players to the club. After playing out a goalless draw against Clermont in the French Ligue 1 last weekend they were thrashed by Newcastle in the UEFA Champions League competition last mid week and needs to start winning games again to boost their confidence.
They play against Rennes later today and if they can play in their full strength I think defeating Rennes wouldn't be a difficult task for the French champions.
Actually, their inconsistency began last season already and then Messi and Neymar now left and I would say that their replacements are inferior. Dembele can never replace Messi and Kolo Muani can't replace Neymar although the latter has been injured a lot, so this might not be too much of a difference compared to now. But the general inconsistency that PSG had in their game started last season. But especially Dembele is a player who has inconsistency in his DNA. He can never perform on the same high level for several games in a row. It is just a question of time until he will have the next crash in his performance.