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COMMERCE CITY, CO - NOVEMBER 27: Chad Marshall (14) of the Seattle Sounders goes up to head the ball against Kevin Doyle (9) of the Colorado Rapids during the second half of the second leg of the Western Conference Finals at Dick's Sporting Goods Park on November 27, 2016, in Commerce City, Colorado. Seattle won the match 1-0 to move on to the MLS final. (Photo by Daniel Petty/The Denver Post via Getty Images)

COMMERCE CITY, CO - NOVEMBER 27: Chad Marshall (14) of the Seattle Sounders goes up to head the ball against Kevin Doyle (9) of the Colorado Rapids during the second half of the second leg of the Western Conference Finals at Dick's Sporting Goods Park on November 27, 2016, in Commerce City, Colorado. Seattle won the match 1-0 to move on to the MLS final. (Photo by Daniel Petty/The Denver Post via Getty Images)