(Seattle, WA)  --  The Portland Timbers are winless in their last four games after losing to the Seattle Sounders, 2-0.  Clint Dempsey returned to league play following the World Cup and scored in the 71st minute for the Sounders.  Marco Pappa scored in the 86th minute to help give Seattle its second win over Portland in four days.  The Timbers will host Colorado Friday night.