Juventus cut the gap at the top of Serie A to four points with a 1-0 defeat of Siena.

After leaders Inter Milan claimed a 2-1 win over Catania and second-placed Sampdoria beat Bologna 4-1 yesterday, Juventus claimed a fifth win in nine games courtesy of Amauri's 72nd-minute header.

Siena's misery was compounded by news of Livorno's shock 1-0 win at Roma, a result which sees Marco Giampaolo's side slip to the foot of the standings.

Francesco Tavano grabbed the only goal of the contest five minutes before half-time as new boss Serse Cosmi was awarded Livorno's first victory of the season.

The win was all the more rewarding considering Livorno had to play with 10 men from the 65th minute following the sending-off of goalkeeper Alfonso De Lucia for picking up two yellow cards in the space of a minute.

It was 12th-placed Roma's fourth loss of the season.

AC Milan moved sixth after Alessandro Nesta scored twice, including a stoppage-time winner, in the 2-1 victory at Chievo.

Giampiero Pinzi put Chievo ahead after seven minutes, but Nesta equalised after 80 minutes before scoring a last-gasp winner.

A late goal from Cesare Bovo was enough to see fourth-placed Palermo sneak past Udinese 1-0 and claim their third successive league win.

The defender struck three minutes from time to inflict a third straight loss on Udinese.

Cristian Maggio scored the winner two minutes from time as ninth-placed Napoli claimed their first away win of the season, defeating Fiorentina 1-0.

La Viola, in fifth, had one loss in their opening eight fixtures, but were stunned in the final 10 minutes and, after Napoli striker Fabio Quagliarella saw a penalty saved, Maggio scored the winner on the break.

Goals from Paolo Barreto and Riccardo Meggiorini secured all three points for Bari as 10-man Lazio's misery continued with a 2-0 defeat and the dismissal of Ousmane Dabo.

Atalanta picked up a belated first home win of the campaign with a 3-1 victory over eighth-placed Parma.

Jaime Valdes, with a penalty, Simone Tiribocchi and Federico Peluso scored for 16th-placed Atalanta, while Alberto Paloschi pulled one back for Parma.

Fourteenth-placed Cagliari inflicted Genoa's third loss in a week with a 3-2 win.

Davide Biondini, Nene, with a penalty, and Andrea Lazzari were on target for Cagliari, while a Daniele Dessena own goal and Sergio Floccari accounted for Genoa's goals and the visitors had Emiliano Moretti sent off.