The outcome leaves the Giallorossi six points behind the Nerazzurri, who won 2-1 against Cagliari, with three games remaining.

Needing to win in order to avoid handing the Serie A title to Inter, Roma - who were without injured captain Francesco Totti - scored four goals in the space of 14 minutes to kill the game off in the opening half.

David Pizarro opened the scoring in the 18th minute from the penalty spot before Mirko Vucinic doubled his team's lead two minutes later.

Amantino Mancini made it 3-0 in the 25th minute and then netted his second shortly after the half-hour mark.

Substitute Nicola Ventola reduced the deficit five minutes after the interval but the visitors could not make further inroads, even after Roma defender Juan was sent off with 15 minutes left to play.

Torino made the brighter start with Simone Barone's strike forcing goalkeeper Alexander Doni to fully stretch and Vincenzo Grella's effort from distance going high over the crossbar.

Roma replied with Vucinic latching onto Pizarro's free-kick but his attempt on goal was cleared by Marco Pisano.

At the other end, Alessandro Rossina failed to beat Doni in a one-on-one situation.

Roma were spurred on by their coach Luciano Spalletti, who roared the orders from the touchline for them to speed up the game and that is precisely what they did.

The hosts had a goal disallowed in the 15th minute after Philippe Mexes had pushed Pisano inside the area before heading the ball past goalkeeper Alberto Fontana.

The Eternal City giants were then given a helping hand with the referee pointing to the penalty spot after Paolo Dellafiore had brought down Simone Perrotta inside the area.

Without Totti, Pizarro took responsibility and coolly struck past Fontana to put Roma on their way.

The visitors had little time to react as Roma hit again, this time on a fast break.

Perrotta fed a through-ball into the area towards Vucinic, whose right-footed effort beat Fontana.

Roma kept up the pressure and were rewarded as Mancini latched onto Cicinho's dangerous cross towards the area and nodded into the back of the net.

With Torino offering little opposition, Roma punished them and it was again Mancini who did the damage.

Vucinic served Mancini at the heart of the area and the Brazilian fired past Fontana.

Gianni De Biasi made his first substitution after the restart with Ventola replacing Rosina.

It proved a wise move as Ventola reduced the deficit shortly after with his header from Nikola Lazetic's cross beating Doni.

Grella could have got himself on the scoresheet but his bullet strike just fizzed high over the bar.

Roma suffered a setback with Juan shown a straight red after a nasty foul on David Di Michele but the hosts held on without any major scares.