Update: Houston and Los Angeles play to a scoreless draw today. The result drops the Sounders to fourth place in the West, but just one point behind Chivas, the Dynamo and Galaxy. (Chivas has one game in hand.)
Previous: This weekend's MLS action concludes at noon today with a fascinating (although unfortunately non-televised) game: Los Angeles at Houston.
Both teams (along with Seattle, for now) stand a point behind Chivas USA in the MLS standings, although that will inevitably change with today's result.
Here's a preview of Galaxy-Dynamo.