Barcelona sporting director Andoni Zubizarreta believes the Catalan giants can cope without Lionel Messi when they face Celtic in the Champions League tomorrow night. 

The World Player of the Year will be sidelined for up to three weeks with a thigh injury but Zubizarreta is confident that Gerardo Martino's side have more than enough quality to cover the loss of their star player. 

And, as the Spanish outfit prepare to travel to Scotlan to face Celtic, Zubizarreta told reporters: "He's a very difficult player to replace.

"We must do without the best player in the world, but we have a squad with extraordinary players.

"The players who are here are very good and we have to play with what we have."

Barcelona will be hoping for victory against the Scottish champions after they lost at Celtic Park last season.

On that occasion, Barcelona had Messi in their side, so they will be in for another testing match tomorrow. 

However, Zubizarreta has insisted the side are not motivated by revenge, as he continued by saying: "It's always a pleasure to play at Celtic Park.

"We're expecting a great atmosphere against an opponent who made things very difficult for us last year.

"They showed they knew how to play and knew how to beat us.

"They are very strong on their ground and they look to play with a lot of pressure.

"We know how we must play. Revenge? No. We're going there to enjoy this game, this atmosphere. We'll see what happens."

Barcelona will be hoping to make it two wins from two in group H after they demolished Ajax in their first game.

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