(Portland, OR)  --  Samuel Armenteros and Diego Valeri each found the back of the net as the Timbers battled the Montreal Impact to a 2-2 tie at Providence Park.  Portland has not suffered loss in 13 straight MLS outings and is currently tied with the LA Galaxy for fourth in the Western Conference with 31 points.  The Timbers will play host to the Houston Dynamo on Saturday.