AS Roma's deal for Barcelona superkid Tonny Sanabria is stalling over a contract row.

Sport says Sanabria's €3 million buyout clause is being increased to €12 million amid claims from Barca management that they've promoted Sanabria to the senior squad.

However, Sanabria's is refusing to reply to the request and his future is at deadlock.

Roma believed they had a deal for Sanabria this week, but nothing is yet sealed.

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