Juventus' march to a fourth successive title was halted on Friday as it was held to a goalless draw at fierce rival Fiorentina in Serie A. Massimiliano Allegri's side moved four points clear but second-place Roma can cut the advantage to a solitary point if it beats Sassuolo on Saturday. Juventus appeared to have half an eye on Tuesday's crucial Champions League match against Atletico Madrid and Allegri rested a number of players, including star striker Carlos Tevez. Both sides struggled to carve out scoring opportunities in a tense match between two old foes at the Stadio Artemio Franchi. Fiorentina had come from two goals down to win the corresponding fixture 4-2 last season, but Juventus got its revenge by knocking the Tuscan club out of the Europa League. (For more sports news andupdates, follow AhramOnlineSports on Twitter at@AO_Sportsand on Facebook atAhramOnlineSports.) http://english.ahram.org.eg/News/117260.aspx