The Bulgarian hitman has been unsettled since the arrival of Christian Vieri at the Stadio Artemio Franchi which left him unlikely to make many appearances in the coming campaign.
Ex-Lazio boss Sven Goran Eriksson’s raid on Serie A continues having already signed Rolando Bianchi from Reggina this summer and reportedly tabled an offer for Juventus’ Giorgio Chiellini.
It is believed that the Sky Blues have upped their offer by around £1m to reach an agreement with the Viola with personal terms still being finalised.