Spectacular goals from Pa-Modou Kah and Pedro Morales gave the Whitecaps their third-straight win in Seattle, with Kah netting his first two goals of the year in the win.
The defeat was the Sounders’ seventh in their last eight and they have now failed to score in each of their last four matches for the first time in club history.
Sigi Schmid’s team are in trouble and even the return of Clint Dempsey couldn’t help their fortunes turnaround against their rivals.
The two sides now prepare to meet again on Wednesday night in their CONCACAF Champions League game at BC Place.
Check out the photos below from Saturday’s game, courtesy of our North American photographer Denise McCooey.