Primeira Liga: Moreirense 0 Porto 2

Defending champions Benfica visit arch rivals Sporting Lisbon on Sunday in what will be a crucial match in the three-horse race between Portugal's most famous footballing institutions.

And Porto ensured that they will at most be just six points behind Jorge Jesus' men with a comfortable victory.

Jackson Martinez put Porto ahead in the 28th minute with his 24th goal of the season, the Colombian collecting a ball from the left and converting from close range.

And Julen Lopetegui's men made sure of the points when on-loan Real Madrid midfielder Casemiro scuffed home at the far post in the 59th minute.