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Sounders coach Brian Schmetzer previews Tuesday night’s playoff match with Colorado (VIDEO)

SEATTLE — The Seattle Sounders are headed back to the Western Conference Championship for the third time in their history, and coach Brian Schmetzer previews Tuesday night’s match at CenturyLink Field.

The Sounders will host the Colorado Rapids in the first leg of the conference championship. Tickets were still on sale via SoundersFC.com.

The two teams will play the return leg of the series at Dick’s Sporting Goods Park in Commerce City, Colo., on Sunday, Nov. 27.

The Sounders are unbeaten at home in the postseason this year (2-0) and are unbeaten in their past 10 games at home overall this season (8-0-2). The Rapids, meanwhile, were the only MLS team with an unbeaten record at home during the regular season (11-0-6).