Seattle Sounders FC (6-11-2, 20 points) fell by a score of 3-1 versus Cascadia rival Portland Timbers (7-6-8, 29 points) on Sunday afternoon at Providence Park. Defender Chad Marshall scored his third goal of the season off a corner-kick from Andreas Ivanschitz in the second half, but the Rave Green couldn't overcome a brace by Portland midfielder Diego Valeri and a second-half tally by Fanendo Adi. Next up, Sounders FC faces the LA Galaxy in a Lamar Hunt U.S. Open Cup Quarterfinal matchup on Wednesday, July 20 (7:30 PT / Live-Streamed on SoundersFC.com) before visiting Sporting KC on Sunday, July 24 (12:00 p.