It's really funny if we look at Atletico's big matches this season because they were so fierce against Real Madrid and so helpless against Barcelona. Last night's defeat proved they couldn't provide extra resistance for the Blaugrana squad and they had to suffer a crushing 0-3 defeat at home. Actually I didn't expect the result to be like this and at least if Atletico can't win then they can hold on to a draw.
This match was really a surprising one and anyone that watched that match will certainly see that Atletico Madrid didn’t do well in this match and that Barcelona deserved the win in this game. The picture depicts the real Atletico Madrid while playing against their rival Real Madrid and while playing against Barcelona. A draw would have been a fair result but they where not close to making it happen.
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Moreover, Barcelona's performance this season has been less stable compared to Atletico, but now everything has changed and the additional 3 points have put Barcelona in second place in the standings. I think Atletico must know that all teams are the same and must try to win and not just focus too much on their local rivals like Real Madrid. The additional 3 points are important to maintain stability and also create a safe position in top competition. 
Barcelona are doing everything they can to finish in a very good position this season and their efforts is really paying off for them. I was really impressed by their result yesterday and if they are to continue in this manner, they would be a strong opponent to face PSG in their quarterfinals. I see a lot of Barcelona fans calling for PSG game already because of the good performance their team is putting on. If they can maintain this momentum, they can still beat PSG and qualify for the semifinals.