Barcelona superstar Lionel Messi has welcomed the arrival of new signing Alexis Sanchez.

Sanchez will sign formally for Barca today after flying in yesterday from Chile.

The former Udinese winger's deal has been given the thumbs up by Messi, who said: "Alexis Sanchez is a big boost for Barcelona.

"For his qualities, I think he'll adjust quickly to our football and in the squad."

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