Bologna advanced to the Europa League quarter-finals after a thrilling 4-3 win against AS Roma.
AS Roma took a big step towards qualifying for the Europa League last 16 with a 2-0 win over VfB Stuttgart on Thursday.
Francisco Moura's second-half strike earned hosts Porto a 1-1 draw against 10-man AS Roma in the first leg of their Europa League knockout round play-off on Thursday.
Lazio, who had won all four previous games, were held to a frustrating scoreless draw by a Bulgarian side who came to defend.
Fiorentina said in a statement that Edoardo Bove was under sedation at the Careggi University Hospital in Florence having lost consciousness during the match.
IMAGES from soccer matches played across Europe on Sunday.
IMAGES from soccer matches played across Europe on Saturday.