Will Benfica get back to winning ways?
As Águias enjoyed a remarkable start to this season, winning their first 13 matches, seven in the league and six in the Champions League.
This is their longest winning streak at the beginning of a Primeira Liga campaign since Sven-Göran Eriksson was in charge.
Roger Schmid’s team did drop points for the first time last Saturday, held to a goalless draw by Vitória de Guimarães.
Then, on Wednesday, Benfica played out a very entertaining 1-1 draw with Paris Saint-Germain in the Champions League.
This, importantly, means they remain joint-top of Group H, four points clear of Juventus who they host on 25 October.
Before that, will the league-leaders get three more points on the board, chasing their first title since 2019?
Rio Ave meantime sit tenth, which represents a solid start for the newly-promoted outfit.
Vilacondenses beat Santa Clara last weekend; Emmanuel Boateng the only scorer at Estádio dos Arcos.
Luís Freire’s team have already beaten Porto this season, so can they spring a surprise at Estádio da Luz?