United, Chivas USA, the New England Revolution, and the Houston Dynamo were MLS's entrants into SuperLiga 2008, based on their top-four finish in the 2007 regular season.Following the Group Stage, which took place from July 12 to July 20, Houston and New England each won their respective groups to advance to the Semifinals, where they faced 2007 champion Pachuca on July 29 and Atlante on July 30, respectively.