Federico Di Francesco has officially joined Sassuolo, with Diego Falcinelli going the other way to Bologna.
The exchange had been in the air for a few days and was completed today following medicals.
Winger Di Francesco is the son of current Roma Coach – and former Sassuolo tactician – Eusebio Di Francesco.
Meanwhile, Falcinelli is a 27-year-old centre-forward who can play in a variety of other attacking roles.
He spent the last few seasons on loan at various clubs, including Perugia, Crotone and Fiorentina.