The home side asserted their dominance early on, as the first fell chance fell to them. Carlos Eduardo clipped in a cross to Jackson Martinez, he met the ball with a fierce left-footed strike but his shot was superbly saved by Spaniard, Pepe Reina. Porto continued to dominate the early stages, and they thought they had scored when Steven Defour's shot was nervously saved by Pepe Reina, who then parried it into the feet of Martinez who whipped in a cross to the back post,which was headed in by Carlos Eduardo. The stadium rose to their feet, but the goal was disallowed for offside.
Porto continued to press in the first half and the last chance fell to them, influential winger, Ricardo Quaresma curled in a costless kick but was glanced wide by defender, Maicon. Porto started were they finished off with all out attack in the second-half, the first chance went to Porto, Fernando attempted an audacious effort from far out but it payed off, his ferocious strike was going into the top corner but was excellently saved by Reina.
Napoli did though start creeping back into the game, as Argentine Gonzalo Higuain found some space in the area and diverted Jose Callejon's towards the goal but Porto keeper Helton reacted excellently and saved the shot. Helton had to make another save in a matter of minutes. Napoli defender Raul Albiol met a corner with a bullet header but Helton stayed alert and saved the header. Napoli continued their siege on the Porto goal, as the next chance fell to Higuain, his powerful drive was saved by Helton, but the save ricochet around the area and hit Callegon but rolled away from goal as Porto then cleared the ball. Napoli rued their missed chances as Porto went in front, Quaresma curled in a ball from a corner, which was met with a tame headed clarence from Faouzi Ghoulam, it then fell into the path of Martinez as his rifled volley surged into the bottom corner giving Porto the lead.
Porto then nearly went 2-0 up through Quintero, a last ditch challenge from Miguel Britos was unintentionally diverted to Quintero, it then bounced off his shin and hit the post. Substitute Duvan Zapata, had 2 chances to equalise for the Italian outfit. The first a game of pin ball occurred in the Porto box, and it hit the Colombian and headed towards the goal only for Maicon to block it off the line. The second was the last chance of the game, fellow substitue Goran Pandev played a ball into the box, Zapata launched hinslef at it but could't get a clear touch as the ball went well wide.