Dairon Asprilla and Evander da Silva Ferreira scored three minutes apart in the second half after Seattle's Léo Chú was sent off for a red card and the Portland Timbers rallied for a 2-2 draw with the Sounders.
Albert Rusnák scored a go-ahead goal in the 90th minute and the Seattle Sounders beat Austin FC 2-1 on Wednesday night to snap a four-game winless streak.
Defender Yeimar Andrade gave the Seattle Sounders a first-half lead, but his own-goal early in the second half helped Minnesota United gain a 1-1 draw on Sunday.
Giorgos Giakoumakis scored a goal in each half, Brad Guzan saved two shots to earn a clean sheet and Atlanta United defeated the Seattle Sounders 2-0 on Sunday night.
The Seattle Sounders offense continued to struggle but they benefited from an own-goal by Sam Junqua to earn a 1-1 draw with FC Dallas on Saturday night.
Léo Chú scored two second-half goals and Yeimar Gomez Andrade delivered the winner in stoppage time to rally the Seattle Sounders to a 3-2 victory over the Vancouver Whitecaps.
The Seattle Sounders and Portland Timbers played to a 0-0 draw on Saturday in a match where scoring chances were limited and neither goalkeeper was tested.
Jordan Morris ended an eight-match scoreless streak with a first-half goal and Stefan Frei made it stand up in the Seattle Sounders’ 1-0 victory over the New York Red Bulls.
Paul Rothrock subbed in in the 83rd minute and scored the only goal of the match four minutes later to propel the Seattle Sounders to a 1-0 victory over the Houston Dynamo.