Alexis Sanchez has admitted that his Barcelona side had to work to beat Espanyol on Friday evening.
The Chile international scored the only goal of the game as the Blaugrana beat the Periquitos in the Catalan derby.
"It was a difficult game,” he told reporters after the match.
“In the end I was happy I could get the goal.
“I was just lucky to be in the right place at the right time.”