(Portland, OR)  --  The Timbers look to make it 15 straight MLS games without a suffering loss as they welcome the Philadelphia Union to Providence Park on Saturday.  Portland is coming off a 2-1 win over the Houston Dynamo on Saturday, while Philly knocked off Houston 3-1 on Wednesday.  The Timbers are fourth in the Western Conference with 34 points and Philadelphia is seventh in the East with 27 points.