Rossi was prolific last year for the Spanish side as they qualified for the Champions League.
His agent, Federico Pastorello told La Graderia: “We are aware of an offer from Barcelona, but we were also told it was considered insufficient.
“We haven’t spoken to anyone for over a week. We know the Blaugrana are negotiating with Villarreal, so all we can do is wait for news from the two clubs.”
