Argentinian Dybala followed his midweek Champions League victor over Tottenham with a match-clinching double, as Massimiliano Allegri's men moved a point clear of Napoli with a game in hand.
Argentinian Dybala followed his midweek Champions League victor over Tottenham with a match-clinching double, as Massimiliano Allegri's men moved two points clear of Napoli.
The match started with a poignant tribute to Fiorentina captain Davide Astori following his tragic death.
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Paulo Dybala broke the deadlock in the 20th minute, curling a trademark free kick into the top corner.
But the deadly partnership of Higuain and Dybala, who have scored 42 goals between them in all competitions this season, combined again to finish off the match as a contest.
Higuain should have doubled his side's lead after Dybala was fouled in the area by Gabriele Angella, but he saw his penalty saved by Udinese goalkeeper Albano Bizzarri shortly before halftime.
Milan Skriniar came close to heading home the opener for the hosts in the 49th minute.
Lazio boosted their top four hopes after snatching a point in a 2-2 draw at Cagliari on Sunday afternoon.