Internazionale and rivals Milan both closed the gap on leaders Juventus.
Internazionale kept the pressure on Serie A leaders Juventus as they secured a well-deserved 1-0 win over Fiorentina.Roberto Mancini's men remain three points behind the Bianconeri and exemplified their winning qualities in an impressive display against the Florentines.
Nigerian starlet Obafemi Martins opened the scoring for the home side after just seven minutes as he converted Luis Figo's cross from close range when unmarked in the box.
The goal was controversial as Adriano appeared to be in an offside position during his input to the build up, although Fiorentina could have no qualms about the result as they dropped to third in the table after only hanging on to a one-goal deficit due to the consistent excellence of French keeper Sebastian Frey.
City rivals Milan also closed the gap on Juventus with a 2-0 win at Treviso.
Andrei Shevchenko broke the deadlock two minutes before the break when converting from the penalty spot.
Alberto Gilardino added a second for Milan on 73 minutes to wrap up the win for Carlo Ancelotti's men.
The game saw Paolo Maldini set a record for Serie A appearances as he made his 571st appearance in Italy's top-flight to overtake Dino Zoff's previous record.
Roma missed the chance to move into the top five after being held to a goalless draw at struggling Cagliari.
Livorno continued their impressive start to the season with a 2-0 victory over Ascoli.
Ascoli were always facing an uphill battle after Mirko Cudini was sent off after just 27 minutes.
Raffaele Palladino gave Livorno the lead on 51 minutes and a Cristiano Lucarelli penalty 12 minutes from time ensured the home side took the spoils.
Chievo picked up an impressive win at Sampdoria earning a 2-1 victory at Stadio Luigi Ferraris.
Daniele Franceschini stunned the home side with the opener on 37 minutes, but Francesco Flachi drew Samp level five minutes after the restart.
Parity was short-lived as Victor Obinna restored Chievo's lead on the hour mark.
Messina are still looking for their first win of the season after going down 4-2 to Siena.
Tomas Locatelli gave Siena the lead on ten minutes, but Messina replied two minutes later through Marco Zoro Kpolo.
Enrico Chiesa restored the home side's lead on 28 minutes and he added a third four minutes before the break.
Locatelli grabbed his second and his side's fourth a minute after the break and although Arturo Di Napoli pulled a goal back on 67 minutes it proved to be nothing more than a consolation.
Lazio came from two goals down to beat Palermo at Stadio Olimpico
Palermo looked set to continue their good start to the season after racing into a two-goal lead thanks to strikes form Andrea Caracciolo (36), Mariano Gonzalez (49).
However, Lazio fought back and Tommaso Rocchi reduced the arrears on 58 minutes before Goran Pandev pulled them level on the hour mark.
Christian Manfredini turned the game on its head to give Lazio the lead on 65 minutes and Rocchi made sure of the win with the fourth four minutes from time.
Empoli climbed out of trouble with a 1-0 win over fellow strugglers Lecce.
Nicola Pozzi hit the all-important winning goal for Empoli on 68 minutes.
Click on fixture for full match summary
Cagliari 0-0 Roma
Empoli 1-0 Lecce
Lazio 4-2 Palermo
Livorno 2-0 Ascoli
Sampdoria 1-2 Chievo
Siena 4-2 Messina
Treviso 0-2 Milan
Internazionale 1-0 Fiorentina
