What happened: Seattle carried the advantage beyond the half-hour mark at Lumen Field. The match followed a 1-1 draw at Cincinnati that ended an eight-game losing streak.
Why it matters: Seattle began the day below the Western Conference playoff line. Chicago entered third in the East, giving the hosts a chance to take points from a top-three opponent.
By the numbers: Seattle entered 7-9-4 with 25 points; Chicago arrived 11-6-3 with 36.
What to watch: Watch whether Seattle can protect the lead and turn its halted losing streak into a win.