Inter were held at home by Roma, while city rivals AC Milan climbed up to third in Serie A with victory at Lazio.
Sampdoria slipped from third to fifth after losing at Cagliari, while Fiorentina are up to fourth after beating Udinese.
Current Serie A leaders Inter were forced to come from a goal down to secure a 1-1 draw with Roma at the San Siro.
Roma took the lead through Mirko Vucinic's 13th minute header, but Samuel Eto'o salvaged a point for the champions three minutes after half-time.
Thiago Silva scored a goal at both ends as Milan continued their recent domestic resurgence with a 2-1 success at struggling Lazio.
The visitors were in front on 21 minutes when Thiago headed home Andrea Pirlo's free-kick and Alexandre Pato doubled the lead on 35 minutes when meeting Ronaldinho's cross.
Thiago put through his own net on 64 minutes to give Lazio hope, but Milan held on for the three points to move up a place in the table.
Fiorentina also capitalised on Sampdoria losing by inching up to fourth in the standings after a battling 1-0 triumph at Udinese.
The only goal arrived six minutes from time when Juan Vargas fired home a free-kick to secure the points for the visitors.
Sampdoria are now down to fifth in the table after suffering a 2-0 defeat at Cagliari, who scored twice in the final five minutes.
Marius Stankevicius was sent off for Sampdoria three minutes before half-time following a foul on Jeda and the 10 men hung on until the 85th minute.
Daniele Conti headed home from close range for Cagliari and a minute from time Alessandro Matri repeated the trick to finish off Sampdoria.
Genoa are also in the mix for the UEFA Champions League spots after an exciting 4-2 victory at home to Siena.
The hosts were 3-0 up by half-time, with Hernan Crespo scoring after just two minutes and the Argentine striker grabbed the second on 18 minutes.
Raffaele Palladino notched Genoa's third on 35 minutes before Siena set up a tense finish when Michele Paolucci scored 10 minutes from time and Massimo Maccarone netted two minutes later.
However, Genoa made certain of the points in the final minute when Sergio Floccari found the back of the net.
Parma are also jostling for a Champions League place at this early stage of the season after a 2-0 home win over Chievo.
On-loan striker Valeri Bojinov hit the post for Parma on 25 minutes before Cristian Zaccardo made the breakthrough four minutes from half-time.
The hosts wrapped up the points on 72 minutes when Davide Lanzafarme scored following a swift break.
Riccardo Allegretti's sixth-minute free-kick was enough to clinch a 1-0 win for Bari at home to lowly Livorno.
Bologna moved three points clear of the relegation zone as Marcelo Zalayeta scored a brace in a 3-1 home win over Palermo.
Zalayeta finished from Marco Di Vaio's pass on 42 minutes, but Palermo were level before half-time through Simon Kjaer.
The home side's lead was restored by Zalayeta four minutes after the interval and Di Vaio scored three minutes into stoppage-time to make certain of the points.
SERIE A REVIEW:
[Saturday 7 November] - [Sunday 8 November]
Source: Sky Sports