TMW says negotiations are centred on Sarri taking charge for next season, with Prandelli to fulfil his current deal to June.
Fiorentina are willing to offer Sarri a three-year contract to move to Florence.
Negotiations are to continue between the two parties through March.
Need a VPN? Or seeking to switch? Then support Tribal Football by clicking here to sign up with our official partners NordVPN. Not only will you receive the best VPN experience, but also great discounts by signing up via Tribal Football. Thanks for your support!