Juventus held in check by Atalanta
Juventus had to settle for a point after a 0-0 draw at Atalanta on Sunday as the visitors struggled to create chances in the absence of Dusan Vlahovic.
Serbian striker Vlahovic was sidelined by recurring back issues and Juventus goalkeeper Wojciech Szczesny made a brilliant save to tip Luis Muriel's free-kick onto the bar to deny Atalanta victory.
Juventus slipped a spot to fourth behind reigning champions Napoli and are four points behind leaders Inter Milan, who are joined at the top by AC Milan.
Massimiliano Allegri's Juventus have dropped points in two of their past three games but will have a chance to recharge their batteries this week while other teams compete in Europe.
In Sunday's other games, Bologna defeated Empoli 3-0 while a stoppage-time own goal allowed Udinese to snatch a 2-2 draw at home to Genoa.
Jose Mourinho will hope for a change of fortunes later when his Roma side host Frosinone, with the Portuguese coach off to the worst start to his career with five points in six matches.