Fiorentina vs Juventus 20:40 SS6ROME – Alone at the top and with a deadly goal-getter back in the first team, leaders Juventus visit Fiorentina late Tuesday to open a mid-week round of the Italian Serie A.With three crucial goals in two games, playing a little more than 90 minutes altogether, Fabio Quagliarella has earned the top spot among the Bianconeri strikers and is likely to be on the pitch also against the arch-rivals from Florence.The 29-year-old cracked a knee in January 2011 and played on and off in the past season, scoring just four goals, but was decisive last week, coming on late in a Champions League match at holders Chelsea to level in a prestigious 2-2 draw.On Saturday, he hit twice to sink visiting Chievo 2-0 and secure Juve’s fourth straight win this season, for an unbeaten run of 43 Serie A games."No doubt Quagliarella is demonstrating his strength. A great bomber,” said John Elkann, the president of Exor, a holding which controls Juve.With Juve now on 12, Napoli and Lazio at the weekend slipped two and three points from the top and look to rebound when they clash Wednesday in Naples.