MLS Week 7 started early with New York City FC hosting the Philadelphia Union on Thursday in a rematch from last Saturday. 

Friday's UniMas game features the undefeated New York Red Bulls against the San Jose Earthquakes at Red Bull Arena.

Saturday has a full slate of matches, beginning with D.C. United and the Houston Dynamo and culminating with the LA Galaxy welcoming Sporting Kansas City in the late kickoff.

Sunday's nationally televised games should be entertaining, with the Union battling the New England Revolution on ESPN2. NYCFC and the Portland Timbers will square off to finish the week.

Here are the keys to every match this week.

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