Barcelona pounded Dortmund 4-0, and PSG came from behind to pull away from Aston Villa 3-1 in the first leg of their ties

In Wednesday's other quarterfinal first leg, Paris Saint-Germain overcame a 1-0 deficit to English Premier League club Aston Villa at the Parc des Princes en route to a 2-1 victory. The decisive rematches will be played next week in Dortmund and Birmingham, respectively. Here are three quick takeaways following Wednesday's games.

PSG came back to beat Villa in style, Barcelona flew bast Dortmund, and both favorites remain favorites in the Champions League.