La Liga teams dominated the better performance in the first 3 matches of the Champions League group stage this season, so in my opinion they deserve to be favorites to advance to the higher rounds. I hope Barcelona don't make any big mistakes in the last 16 if they qualify, but of course the depth of their squad is very doubtful against other strong teams. It is hoped that the players' injury recovery will help with a more stable performance, including their best striker and midfielder.
This is just the group stage, it will be more interesting when they have entered the top 16 to see who meets each other, when the big teams meet evenly matched teams, this will be interesting!
This is the team that many people like, while Barcelona is still quite good even though there are several injured players, in the last 16 the most important thing is to be able to maintain their performance, thinking that at least when they are in the last 16 the players will have recovered.