Striker Jeremy Menez is due to join Roma from French-league side Monaco on Thursday, Italian media reported.
The 21-year-old Frenchman landed late Wednesday in Rome. Roma are said to have paid 12 million euros (17.7 million dollars) for the player, who should replace Brazilian Mancini in their attack package.
Mancini, 28, a creative supporting striker, left for Inter this summer after five seasons with the team from the capital.