AS Roma president James Palotta has rubbished reports he's unhappy with the work of sports director Walter Sabatini.

It's been claimed Sabatini could be dumped for Pantaleo Corvino.

The Giallorossi chief has rubbished that suggestion on Twitter.

"Walter is my guy. I have never spoken with Corvino," he posted on the social networking site.

"Stop writing bulls**t."

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