A 21st minute red card to Cerci made it all too easy for the Turin outfit, which romped to a five goal victory that moves it to within four points of Milan.
Mirko Vucinic opened the scoring just after a quarter of an hour, but the real turning point in the match was the dismissal of Alessio Cerci, who saw red for a petulant kick on Martin Caceres after 21 minutes.
The home side never recovered from the numerical disadvantage, and further goals from Artuo Vidal, Claudio Marchisio, Andrea Pirlo and Simone Padoin rounded off the emphatic win for Antonio Conte's men, who close the gap at the top of the table on AC Milan to four points.
Juventus nearly stormed into the lead after only six minutes of play. Vucinic’s shot from the edge of the area rebounded off the base of the post, and Alessandro Matri's follow up was volleyed high and wide.
However, 10 minutes later, Vucinic would make no mistake as he fired the visitors into the lead. A brilliant short passing move found the Montenegrin in space at the top of the box, and his curled effort flew in with Artur Bouc rooted to the spot.
Fiorentina’s task was made that much harder in the 21st minute as the club was reduced to 10 men. Cerci’s needless kick on the back of Martin Caceres following a struggle for possession was spotted by the referee, who wasted little time in showing him a deserved red card.
Juventus took full advantage of the numerical superiority as the team doubled its advantage just before the half hour mark. Andrea Pirlo’s near post corner was held up fantastically by Vucinic, who set up Vidal for a strike on goal. The Chilean’s initial effort was saved, but he wasted little time in slotting the rebound home.
It was one way traffic thereafter, as Juventus had little trouble in maintaining pressure in the attacking third. Fiorentina was perhaps relieved to see the halftime whistle blow as the club was struggling to keep the visitors at bay.
However, the home side restarted the match with renewed focus, and controlled play at the start of the second half. Nevertheless, it was Juventus which went closest coming out of the break, when Matri teed up Vucinic for a strike from outside the box that flashed just wide in the 52nd minute.
Moments later, Juventus grabbed its third. Marchisio was both the architect and the finisher, spraying the ball wide to Vucinic, continuing his run into the box and heading home the Montenegrin’s cross from point blank range.
With an hour gone, Andrea Lazzari sent a powerful shot that seemed to be destined for the back of the net, but a fingertip from Gianluigi Buffon diverted it onto the post.
Juventus added another goal not long after, when a sumptuous through ball by Vucinic was tracked by Pirlo, who dinked the ball impudently over Boruc and into the back of the net.
Fiorentina was floored after the fourth goal, and found itself further behind in the 72nd minute. Pirlo’s long range effort took a deflection right into the path of substitute Padoin, who, with his first touch of the match, side footed home with aplomb.
The remainder of the contest was played out by the visiting side with consummate ease, never looking troubled as it closed the match at its own pace.
The result sees Juventus reduce the deficit on Milan at the top of the table to four points with 10 games remaining. Fiorentina meanwhile sinks to 16th place, seven points above the relegation zone.
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