Barcelona boss Ernesto Valverde said his team lacked spark and freshness during Saturday’s La Liga win over Real Sociedad.
The hosts took all three points thanks to goals from defenders Clement Lenglet and Jordi Alba, but Valverde believes his team always find it tough going after Champions League matches.
“When there is a game like the one against Manchester United, which is the centre of attention, you then have to get back to reactivating the team for another game which is fundamental,” he explained.
”The games after Champions League matches are difficult for us all.