Arouca should have more spells on the ball, but Nacional's compact block has already shown it can restrict clean finishes. Nacional also have a direct route from their first recovery. Vancouver can build through White and Gauld, while Seattle can attack the space left when Vancouver's wide players advance. Both games turn on whether territory becomes repeated clear box contact.
Arouca's Djouahra and Trezza can supply Barbero, and Fukui offers a later arrival. Nacional's injury-hit group held Braga to two shots on target, with Song able to release Baeza and Njoya available for a separate box touch. Those injuries were already present for the Braga performance, while Arouca's largest recent attacking volume came against ten men. Nacional's block and direct exit make this a narrow game. That's why I'm siding with Nacional.
Vancouver's White and Gauld remain strong receivers, with Ocampo able to deliver from wide. Seattle's Ragen, Roldán and Rusnák kept their first supply working through recent absences, and Joveljić offers a direct outlet behind advancing fullbacks. Vancouver now lose Elloumi, who played the whole previous match and produced three shots on target, while Müller has only recently returned for a short spell. Seattle's supply and Vancouver's changed recovery shape keep the away response active. That's why I'm siding with Seattle.