The Portland Timbers went to Houston hoping to stake themselves to a lead in the first leg of the Western Conference semifinals against the Dynamo. Instead, Caleb Porter's team left Texas with a 0-0 result and three potentially debilitating injuries. Here are three thoughts on the goalless draw at BBVA Compass Stadium: 1. We got a track meet on a sloppy track With two teams anxious to attack at speed whenever possible, the game quickly turned into an up-and-down affair that stressed both defenses. The condition of the field at BBVA Compass Stadium certainly had an effect; with neither side able to string together a run of passes on the divot-ridden surface, midfield possession play was rendered nonexistent.