Greece winger Lazaros Christodoulopoulos scored the winner in the 84th minute and Bologna came back from a goal down to beat visiting Fiorentina 2-1 Tuesday in the Appenine derby, which was postponed by two days due to snow.
Adem Ljajic had put Fiorentina ahead in the 27th, using an angled shot to finish off a counterattack for his third goal in two matches.
Marco Motta equalized for Bologna in the 58th by heading in a free kick from Alessandro Diamanti.
Christodoulopoulos, who joined Bologna on the final day of the January transfer window from Panathinaikos, decided the match with a shot from beyond the area after Fiorentina failed to clear.
Fiorentina remained tied for sixth with Catania, two points behind Inter Milan.