Barcelona thrashed Milan 4-0 this week to end their European hopes.
"We must do everything possible to take second place, which is only two points away. We are achieving things that at the start of the season seemed unthinkable. It was a great fightback, but the difficult part comes now.
"There are 10 Finals ahead of us and we have to get as many points as possible to leapfrog Napoli. We need everyone to manage this and it would be an important result for us."