Di Francesco’s side face three crucial Serie A fixtures before they head to Portugal for the second leg. Porto will be pleased they got an away goal, but this defeat continues a disappointing few weeks. The reigning Primeira Liga champions have some key matches in their title defence, including a clash with Benfica, before they host the return leg. Roma beat Porto 2-1 at the Stadio Olimpico. Zaniolo starred for the hosts, scoring two second half goals. His first was a good finish inside the area. The youngster passed the ball into the net for his second after Dzeko hit…