Barca and Spain midfielder said. "I think they will wait until we lose the ball and try to hit us on the break."
The Liga leaders come into the match having stretched their advantage over Real Madrid to six points with a 2-0 home win over Athletic Bilbao on Saturday.
Lyon's 2-0 defeat at Lille at the weekend chopped their Ligue 1 lead down to one point from six two weeks ago and their woes have been compounded by injuries to key players.
Earlier, Barca striker Samuel Eto'o said he was unconcerned about his recent lack of goals and hoped his 28th birthday on Tuesday would bring the team luck.