Serbian striker Petar Ratkov has had positive performances for Lazio in pre-season and has the confidence of manager Gattuso. There is interest in him from Russia. Dinamo Moskva is interested and is prepared to offer over 15 million euros for the player. Lazio is now considering its strategy regarding Ratkov. The player does not have an immediate desire to leave and wants to become the starting striker for the Rome-based club.