Juventus beat Cagliari 3-1 away on Thursday to end a three-match winless streak and move four points clear at the top of Serie A.
Mario Balotelli could be in hot water again after he was booked for provoking Cagliari supporters after scoring against the Sardinian side in AC Milan's 2-1 win on Sunday.
Fiorentina conceded a late goal, had David Pizarro sent off and lost their 100 percent Serie A record in a 1-1 draw at home to Cagliari on Sunday, with an injury to Mario Gomez compounding their frustration.
Alessandria became the first third tier club to reach the Italian Cup quarter-finals in more than 30 years as their giant-killing run continued with a 2-1 extra-time victory at Serie A strugglers Genoa on Tuesday.
Maverick striker Mario Balotelli has been fined 10,000 euros for making a provocative gesture to rival Cagliari supporters after scoring against them in AC Milan's 2-1 win on Sunday.
Champions Juventus returned to the top of Serie A with a 4-0 home rout of Cagliari on Wednesday, while former leaders Napoli dropped to second after being held to a goalless draw at Genoa.
Muntari said he had complained that parts of the crowd, including a group of children, had hurled racist insults at him from the start of his Italian team's game at Cagliari in Serie A on Sunday.
News of all that's transpired on and off the football field
IMAGES from the soccer matches played in Spain and Italy on Saturday