Roura, coaching the team in Tito Vilanova's absence, says his side must work hard to progress after a 2-2 draw in the first leg in the Camp Nou last week.

“This is the first ‘must-win’ game we have had this season and we will travel out there with that intention,” said Roura.

“Everyone is aware of the importance of the shock and we will put the intensity into the game that it deserves. The team always wants to play and we all know the importance of having a good attitude."