The agent of Barcelona fullback Dani Alves has confirmed the interest of rival heavyweights.

Chelsea and Manchester City are keen on the Brazilian.

Alves' agent Joaquin Macanas wants Barca to give the player a contract he deserves, with other top sides in the frame.

"Dani is one of the best defenders in the world and the big clubs desire his services," Macanas said in the Spanish media.

"We only ask that Barca value him in reality for his work and development during these years."

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