MLS Playoff Previews: Everything to play for

Sunday's MLS playoff match-ups have potential. Not that they're locks to be the best MLS games of all time. There's plenty to pick and choose from, however, and it's certainly worth diving into ahead of time, as six teams will be reduced to three. Let's dive in.

Seattle Sounders at Houston Dynamo (0-0)

The entertaining first leg bodes well for the second.