The third weekend of MLS offers "Rivalry Day," the first-ever matchday dedicated specifically to the regional rivalries sprinkled throughout the league.

Starting with the New York Red Bulls hosting D.C. United for an Atlantic Cup clash and finishing on Sunday with the SuperClasico between the Los Angeles Galaxy and Chivas USA, the weekend is full of appetizing matches. 

Arguably, the main event comes in the form of a Cascadia Cup clash between longtime foes, the Seattle Sounders and the Portland Timbers.  The Sounders are coming off an impressive 3-1 victory over Mexican side, Tigres UANL, in the CONCACAF Champions League.  The Timbers' last game was a loss at home at the hands of the Montreal Impact, 2-1.

It should be a glorious weekend for the many supporters and passionate fans that make MLS tick.

We start with the Red Bulls welcoming their neighbors to the south, D.C United.

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