What happened: Vancouver enters with six Cascadia Cup points from two wins, while Seattle has none after one match. The clubs are scheduled to meet again Nov. 1 at BC Place.
Why it matters: The supporters' trophy goes to the best record in regular-season matches among the Pacific Northwest rivals. Vancouver owns eight titles, one more than Seattle, and is defending the 2025 crown.
By the numbers: Vancouver: 6 points, 2-0-0, +4 goal difference. Seattle: 0 points, 0-1-0, -4 goal difference.
What to watch: Seattle must win Sunday to keep the cup race open ahead of the November rematch.