Reports claim the 19-year-old is set to join the Viola in a £12million deal.
Nastasic has long been linked with a move to Eastlands.
City defender Stefan Savic is expected to join Fiorentina as part of the deal.
What is your opinion? Feel free to discuss the article under. You have to comment by using your Facebook profile. Be fair and have respect for other people and opinions!
Who of Europe’s top strikers will move to England this summer?
After a dreadful start to their Bundesliga campaign, Borussia Dortmund appear to have weathered the storm after going five matches without defeat.