Roma are on course to maintain their 100% record in Serie A as they lead Torino by a goal at half time in their clash at the Stadio Olimpico.
The visitors settled quickly but failed to carve out any clear-cut opportunities until Kevin Strootman fired them into the lead in the 30th minute.
Good work from Miralem Pjanic helped set up the Dutch midfielder, who beat Daniele Padelli at the near post from the Bosnian's cutback.
Alessio Cerci proved to be a threat to his former side, but the Granata were frustrated by some disjointed attacking play.
Rudi Garcia's men are looking to retain a five-point cushion at the top of the league table.
