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.

The Singapore Exchange Limited (SGX) Tuesday said its derivatives and Exchange Traded Funds (ETF) markets set new trading records last year with volume surging to
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The San Antonio Spurs turned up their trademark defense down the stretch to turn back another opponent.
Popular US talk show host Oprah Winfrey, 54, has vowed to battle her recent weight gain, blaming it on "food abuse."
After the Taipei Zoo received two giant pandas from China, another Taiwan zoo said Friday it is seeking to receive a pair of pandas from China.