Fiorentina have a deal in place for VfB Stuttgart striker Nicolas Gonzalez.
The Viola have burned off competition from Brighton for the Argentine.
Sky Italia's Gianluca di Marzio reports a fee has been agreed of €23m plus €4m in performance-related bonuses.
The paperwork involving the two clubs has been signed.
He is now due to undergo a medical with the Tuscan club.
