Berne: Porto hit back with a late Danilo penalty to hold FC Basel 1-1 in their Champions League last 16 first leg tie on Wednesday which featured a goal controversially disallowed after a long delay and consultation.
Derlis Gonzalez gave the Swiss champions an 11th minute lead but Danilo replied in the 79th minute, calmly scoring following a handball by veteran Argentine defender Walter Samuel.
But the game`s talking point was the disallowed Porto goal in the 48th minute.
The visitors had finished celebrating and were back on the halfway line when referee Mark Clattenburg, after a long consultation with his linesman, disallowed Casemiro`s goal for offside.
Basel, who qualified for the last 16 at the expense of Liverpool, scored with the first chance of the game in the 11th minute.
Fabian Frei chipped a perfectly weighted ball over the Porto defence and found Gonzalez who held off his marker and prodded the ball past Porto goalkeeper Fabiano.
But Basel lost their bite after the Paraguayan went off injured in the 25th minute.
Porto took their time to get going but began stringing some moves together and although the did not seriously test Tomas Vaclik before halftime, it was a different story after the break as they controlled the game.