Leaders Porto dealt Olhanense their first loss in five matches in Portugal’s Liga Sagres with a 3-0 victory on Saturday.
Olhanense kept the Portuguese powerhouse at bay for the opening hour of play at Estadio Jose Arcanjo, before Fernando Belluschi found a way past the home side’s defence to score in the 68th minute.
Radamel Falcao added 70th and 90th minute goals to extend Porto’s lead atop the table to 11 points from Benfica.
Pacos de Ferreira won their fifth straight match, and extended their unbeaten streak to 10 in all competitions with a 2-0 victory over Vitoria Setubal.
Mario Rondon and Filipe Anunciacao were on target either side of half-time for the home side at Estadio da Mata Real, helping them rise into fourth place on the table.