With the hosts up 1-0 in the ninth minute, Tecatito notched the first of his two assists when his cross finished with Hector Herrera gathering inside the Nacional box and firing home Porto's second goal of the night.
Working the left wing in the second half, Tecatito sent a dangerous cross into the box following a corner kick. Danilo rose above two defenders to head in a Porto third.
The Mexican duo was perhaps unlucky not to get more goals as goalkeeper Rui Silva made a string of phenomenal saves throughout the second period.
Having entered the match in the 75th minute, Vincent Aboubakar sealed the game for the hosts with a brilliant chip five minutes from time to clinch Porto's 20th league victory.
You can watch highlights of the match below: