Sounders defeat Sporting K.C. 1-0, advance to conference semifinals

Sounders forward Nelson Valdez celebrates his game winning goal during Thursday’s Western Conference knockout game at CenturyLink Field in Seattle. (Lindsey Wasson / The Seattle Times)
Nelson Valdez celebrates after scoring the game-winning goal over Sporting Kansas City. (Lindsey Wasson / The Seattle Times)

Nelson Valdez, of all people, fired the Sounders into the Western Conference semifinals, as Seattle edged Sporting Kansas City 1-0 in a one-game playoff on Thursday night at CenturyLink Field.

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