The Italians enter the game after a
2-2 draw against Arsenal on Saturday. Napoli were two goals up at half-time but conceded late goals. Lorenzo Insigne opened the scoring for Rafael Benitez's side and Goran Pandev doubled the lead before the half-hour mark. However, the Gunners came back in the final quarter. France international Olivier Giroud continued his impressive pre-season run and scored the first, while compatriot and centre-back Laurent Koscielny equalised four minutes from time.
Meanwhile, Porto come into this fixture after a 1-0 defeat to Turkish champions Galatasaray in the opening fixture. Brazilian Felipe Melo scored the only goal from a spot kick.
Porto were handed two penalties of their own by match official Andre Marriner. However, the Portuguese outfit failed to convert either chances - Jackson Martinez shot straight at the goalkeeper and midfielder Lucho Gonzalez could only manage to drag the ball well wide of goal.
