(Portland, OR)  --  The Portland Timbers look to remain unbeaten against FC Dallas all-time while playing at Providence Park.  Portland is 4-0-and-2 in the six matches between the two clubs.  The Timbers played to a 1-1 tie on Sunday at the LA Galaxy.  The defending MLS champs are 1-2-and-2 overall, while Dallas is 3-1-and-2.