Hansi Flick relaxed the game in the second half. Barcelona did not have half the effort of the first half. If they had continued the same game, they would have scored even more goals, but what was the point? Hansi Flick was after getting the three points without making the players struggle too much, and that's what happened.
Barcelona's rhythm in the first half was very good, Barcelona feels like they have a 15-20 point difference against Real Madrid right now.
What else do you expects from Barcelona in the second halve because they've already nets goals that would put them infront, Barcelona couldn't pressure more in the second half as they likely did in the first. The difference was made earlier and the visitors, Espanyol couldn't break anything, but managed to net a goal atleadt to cancel cleansheet. Barcelona headcoach, Hansi Flick knows what he's doing, securing back to back winnings and it's very important for them because they're top of the La Liga table. Barcelona are beating all oppositions that cross their paths and we consider that a huge improvement on their ends.