Napoli edged Sampdoria 1-0 Sunday through a German Denis goal to extend their unbeaten run to 12 games and leapfrog Roma to move joint third next to Juventus in the Italian Serie A, dpa reported.
Inter Milan stayed clear at the top after a last-gasp 4-3 win over bottom side Siena late Saturday, while Roma had Brazilian goalkeeper Doniere sent off in a 1-0 defeat of Chievo.
Second-place AC Milan have a game in hand and look to reduce their 11-point gap as they visit Juventus in a classic tie that late Sunday closes the season's first half.
Elsewhere Sunday, Fiorentina came from behind to edge solid newcomers Bari 2-1, Livorno overcame promoted Parma 2-1, Genoa prevailed 2-0 against 10-man Catania, Palermo beat 1-0 Atalanta, Cagliari won 1-0 at Bologna and Udinese and Lazio played out a 1-1 draw.