COMMERCE CITY, COLO.—Jordan Morris scored in the 56th minute and the Seattle Sounders advanced to their first MLS Cup, beating the Colorado Rapids 1-0 on Sunday in the second leg of the Western Conference final.
Nelson Haedo Valdez set up the goal to help Seattle take the series 3-1 in aggregate scoring. The Sounders will play Toronto FC or the Montreal Impact on Dec. 10 for the league title.
Toronto hosts Montreal in the second leg of the Eastern final Wednesday night. The Impact won the first leg 3-2 in Montreal. If TFC advances, the Cup final will be at BMO Field.