(Portland, OR)  --  The Timbers continue to prepare for their upcoming match against the Sounders at CenturyLink Field on Sunday night.  Portland is sixth in the Western Conference standings with 32 points at 8-9-and-8.  The Sounders trail the Timbers by five points with a record of 8-12-and-3.  It will be the first of back-to-back matches for the Cascadia Cup rivals.  Portland will host Seattle on Sunday, August 21st at Providence Park.