Giovani dos Santos starred as Steven Gerrard returned from a two-game absence, wearing the captain's armband.
Nigel de Jong will not feature in Friday's MLS match at the Houston Dynamo as he faces an anxious wait over the length of his suspension.
An own goal saw the Portland Timbers and LA Galaxy draw 1-1, while the Seattle Sounders rescued a point at the Houston Dynamo.
The Earthquakes added to their defensive depth by acquiring the Dynamo's 2013 Defender of the Year.
The former Houston Dynamo and Orlando City goalkeeper has been brought to the nation's capital to help the team cope with injuries in goal.