Champions League roundup: Barcelona and PSG romp to victories

Here is a 174-word summary of the news article: The Champions League saw several lopsided results this week. Barcelona routed Olympiakos 6-1, led by a hat-trick from Fermin López and a brace from Marcus Rashford. In another high-scoring affair, Paris Saint-Germain thrashed Bayer Leverkusen 7-2, with Ousmane Dembélé scoring on his return to the lineup. Both matches featured teams playing with 10 men at certain points. The Barcelona game got off to a fast start, with López scoring twice in the first half to put the Spanish club in control. Rashford then added two goals of his own to extend the lead. Olympiakos managed to pull one back, but Barcelona ultimately cruised to a comfortable victory. Meanwhile, the PSG-Leverkusen match was an even more one-sided affair. PSG raced out to a commanding 7-2 win, with Dembélé finding the back of the net for the French champions. Both teams had a player sent off during the match, but PSG's offensive firepower proved too much for the German side.