Goals before the break from Spinazzola and Rrahmani secured a win for Napoli at Lazio in a match marred by three dismissals.
Three points propels Conte's side to within a single point of Serie A pace-setters Milan, who won on Friday. Inter occupy third place but have a chance to go back to the summit with a win in their later match.
Hampered by the absence of a number of key players, the southern Italian side controlled the game with measured build-up play. The first goal arrived when Matteo Politano's delivery was volleyed home by the wing-back at the far post.
The lead was extended in the first half as the defender guided a glancing header from another Politano free-kick into the bottom corner. Napoli went close to a third goal shortly after when Eljif Elmas watched his effort crash against the woodwork.
After the break brought more injury concern for the visitors when a player limped off. This incident sparked a short confrontation, resulting in yellow cards for Rrahmani and the home side's Tijjani Noslin—who then was shown a second caution for a foul.
"I must congratulate my players, performing with this level of technical ability and physical strength while preventing Lazio play is difficult," remarked the triumphant manager. "Our performance was at a very high level of quality."
Tensions boiled over again late on as two opponents became involved in a fierce confrontation, requiring the manager to intervene. The two players were sent off for their part in the clash.
In Spain's La Liga, the Andalusian side suffered a 3-0 defeat at home to lowly Levante. The visitors took control with a well-worked move before adding two more goals in the second half to complete a convincing win.
Meanwhile, Los Blancos face significant pressure when they play Betis, after their arch-rivals extended their lead at the top. Later on other match, Atleti make the journey to face La Real.
In France, a historic capital clasico is scheduled as Paris FC visit giants PSG. The fixture marks the first top-flight encounter between the neighbors in over 36 years, adding extra intrigue to the weekend's action.
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