Roma captain Francesco Totti scored twice and set up two more goals in a 4-2 win that ended Fiorentina's nine-match unbeaten run on Saturday.
The result left both clubs tied for fourth in the Serie A and marked a forgettable return for Fiorentina manager Vincenzo Montella, who played with Roma alongside Totti for a decade then coached the Giallorossi briefly last year.
Earlier, Atalanta beat Parma 2-1 to move into a tie for seventh.
German Denis put Atalanta ahead with a header four minutes in, and Federico Peluso doubled the lead in the 38th from a rebound of a shot from Denis. Amauri pulled one back for Parma in the 45th with a header.
On Sunday, league leader Juventus visits Palermo in coach Antonio Conte's return from a four-month touchline ban. Also, second-place Napoli visits third-place Inter Milan.
Roma, Fiorentina and Lazio are each six points behind Juventus.
At the Stadio Olimpico, both teams scored their first goals following free kicks.
Leandro Castan gave Roma t...