I think with the change in the format of the Champions League this season will make PSG's journey in the UCL easier, but it turns out that their journey to qualify directly for the knockout stage is starting to look difficult, So far achieving 3 points from two matches is not the result they expected but I think actually if they can win the match against PSV, Salzburg, and Stuttgart maybe they can at least still remain in the last 16 play-offs, but at least they should also get at least 1 point from matches against Manchester City, Munich and also Atletico Madrid, so far we have not seen a decent mentality from PSG to be able to be a contender for the UCL title, but in order not to be too embarrassing for their reputation as a big team in Ligue 1 of course at least they should be able to be in the semi-finals or quarterfinals later, but in football, anything can happen and we also can't underestimate PSG who have quality players, so if they can find their consistency and best performance then it is not impossible that they can become a contender for the UCL title although their the chances may be very small 
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.Playing in the quarter finals or semi finals in this current format?, That might be very difficult. But wait a minute, how did UEFA manage to draw PSG with tough oppositions like City, Arsenal, Munich and A.Madrid ?. These are tough teams that other clubs will not like to meet with. In as much as I want PSG to do well(considering how they've spent over the years), I can't really see them sharing points with a very rough side like City and Munich. These teams are ruthless when it comes to UCL games. I watched PSG game against arsenal, and I asked myself why did Enrique actually left Fabian ruiz and Kolo Muani(hope I got the spelling right) on the bench. Those two players literally changed the dynamic of the game, but unfortunately, it was too late, as Arsenal are very good at defending even if it's a 1 goal lead. I see future in this current PSG team, but I wish the board could manage them well.