(Seattle, WA)  --  The Portland Timbers' unbeaten string is over at four games after a 2-1 loss to the Seattle Sounders.  Obafemi Martins and Brad Evans each scored for Seattle to pull the Sounders even with the Timbers in the season series at two wins each.  Jack Jewsbury scored Portland's only goal.  The Timbers will host Sporting Kansas City this Wednesday night, and the Sounders will host Toronto on Saturday night.