He added: “Mario is a key player. He has technical and physical attributes which make him an extraordinary player.”
Roma’s misery continued. It has won only one of its past eight matches in all competitions, piling the pressure on coach Eusebio Di Francesco, whose job may be at risk.
Roma goalkeeper Robin Olsen atoned for last week’s errors against Genoa with fine saves but could do nothing 10 minutes from halftime when Mandzukic rose high at the far post to head in Mattia De Sciglio’s cross from the right.
Olsen kept Juventus at the bay in the second half, including denying Cristiano Ronaldo twice in quick succession. Ronaldo hasn’t scored from open play in four consecutive matches.
Napoli prepared for Wednesday’s clash against Inter Milan with a narrow victory over struggling Spal.
“We mustn’t think about Juventus because with all the points they’re racking up it could demotivate us,” Napoli coach Carlo Ancelotti said. “We need lots of motivation because I have an excellent team here that can achieve great things.”
Napoli dominated but didn’t find the breakthrough until first-half stoppage time thanks to Raul Albiol’s glancing header from Dries Mertens’ corner.
Chievo’s Sergio Pellissier netted a stoppage-time equalizer to cancel out Ivan Perisic’s first goal for Inter in nearly three months.
Mauro Icardi rode a tackle and picked out Danilo D’Ambrosio, who sent in a low cross for Perisic to smash into the roof of the net in the 39th minute.
Inter looked sluggish and it was punished late on as a long ball was knocked on for Pellissier and the 39-year-old striker outsprinted the defenders to chip the onrushing Samir Handanovic.
Chievo finished with a sixth consecutive league draw.
FIGHT FOR FOURTH
Lazio ended a seven-match winless run to leapfrog AC Milan into fourth spot and the final Champions League berth.
Sergej Milinkovic-Savic ended his three-month goal drought to set Lazio on its way to a 3-1 win over Cagliari.
Lazio moved a point above Milan, which lost at home to Fiorentina 1-0.
Federico Chiesa scored for Fiorentina and Milan failed to score for a third successive league match.
Fabio Quagliarella scored for a seventh successive Serie A match, becoming the first Italian to do so in more than 10 years, as Sampdoria won at Empoli 4-2.
Sassuolo drew with Torino 1-1, and Atalanta lost at Genoa 3-1, with Josip Ilicic missing a first-half penalty.
Atalanta ended the match with nine men as Jose Luis Palomino and Rafael Toloi were sent off in the final seven minutes.
Udinese remained a point above the relegation zone after drawing with fellow struggler Frosinone 1-1 as 18th-placed Bologna also drew, 0-0 against Parma.
Frosinone is 19th, five points from Udinese.
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