Barcelona may have beaten Manchester City, but the way the attack inspired by Lionel Messi aterrorisou the defense team English champions is a sign of the problems that Real Madrid will face on Sunday Classic Spanish Championship.

Barca won their place in the quarterfinals, but some bad finishes and a great goalkeeper performance of City Joe Hart left the score with the minimum difference.

The Catalans follows with 17 wins in their last 18 games, with rating for the final of the King's Cup and a point ahead of Real Madrid in the Spanish league.

While Messi has been the talisman, Luis Suarez and Neymar are also dangerous in an attacking trio that can help decide who will the title in the match against Real Madrid at the weekend.

"We have some great games against Real ... first and then the quarterfinals (the Championships League), where we will face another strong team," Messi told reporters.

Messi showed his respect for rivals, saying that the situation is dangerous. "They have great players. We will play our football and try to win," added the Argentine