Real Sociedad coach Jagoba Arrasate has insisted that the San Sebastian outfit will not "sit back" against Barcelona in La Liga on Tuesday.

Sociedad travel to Camp Nou this week having failed to score in their last three games in all competitions, but Arrasate is confident that they can overcome the Spanish champions.

"If you sit back, the game is very long and you lose. We know who we face, but we cannot be defeated on the field. We want to play a good game and take strength from there," Arrasate told reporters at a pre-match press conference.

"We have found it hard to score and the goal is the hardest thing in football, so the best players are the attackers. In some games we have had a lack of success and in others, a lack of clarity in ideas. At Camp Nou we will have to present our best version.

"If we are together and we approach our true level, we will have our chances. Barca under Tata Martino? They have not changed much. There are different nuances from what we have seen in previous years, but the effectiveness and control of the game is the same."

Sociedad currently sit seventh in the league table.