The Catalan manager thinks that no one can stop Lionel Messi when he is in his best form.

The Argentine has netted a hat trick against Manchester City in their mid week clash against them in the champions league and the Spaniard Luis Enrique thinks that no one has yet get down to brass how to stop him.

The little Argentine has struck three goals and also assists for Neyrmar’s goals in their percussion with the Manchester City at the Camp Nou in there champions league match.

He has returned from an injury but still he has shown his form for the Barcelona he strike four goals in his two matches after returning from an injury and in this season he has netted 12 goals and put six assist in his 10 emergences.

"If Leo is at his level, it's going to be very difficult to find a solution to stop him. We still haven't seen anyone who has managed it," he said.

On Saturday Barcelona will face Valencia in there La Liga campaign, the match will be held on at Valencia’s home ground { Mestalla},now this is going to be the Italian Cesare Prandelli first home game as a Valencia manager.

"We're facing an unknown Valencia, given the short time Prandelli has been in charge," he said. "Their situation is not too positive, but the quality of their players can always make things difficult.

"It's always tough playing away from home. At Mestalla, with their support, it's always tough. I don't remember any easy game.

"We'll have to be effective in finding the spaces, more so against an opponent of a high tactical and physical level.

"We have to take the three points and hope the others don't. It's the same strategy from the start of the season: improving our form and earning points.

"Valencia is an intense place and Prandelli knows that. In my year in Italy, he was the national team coach and he showed that he can do things well. He's a very well-prepared coach. I wish him a lot of luck."