Eastern Conference leaders Atlanta United may be looking over their shoulder at New York Red Bulls, while Portland Timbers finally lost.
Oscar Pareja's Dallas were led to a huge MLS win by a stunning first-half hat-trick from Roland Lamah.
Ned Grabavoy Real Salt Lake maintained their unbeaten record in the MLS with a narrow victory over the Portland Timbers on Saturday.
Philadelphia Union Philadelphia Union survived a late surge from Sporting Kansas City to notch their first MLS win since March on Wednesday.
Ashley Cole LA Galaxy's stars must start justifying their hefty price tags, while MLS champions Portland Timbers are aiming to go back-to-back.
Seattle Sounders MLS Cup champions LA Galaxy and Seattle Sounders provided countless memories last season and they are set to add to those when the two teams meet on Sunday.
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