The first period brought few clear chances, but Porto looked the side more capable of making something happen in the final third.
The deadlock was eventually broken early in the second period, however, when Joao Moutinho found the bottom corner from close range.
Read how it all unfolded in Sports Mole's minute-by-minute live commentary of the action below.
PORTO: Helton; Sandro, Mangala, Otamendi, Danilo; Gonzalez, Fernando, Moutinho; Varela, Martinez, Izmailov
MALAGA: Caballero; Sanchez, Weligton, Demichelis, Antunes; Toulalan, Iturra, Baptista; Joaquin, Isco, Santa Cruz