The Seattle Sounders became the first team in MLS history to win three consecutive titles in any event, including MLS Cup.
Stix Baer & Fuller
Only three clubs in the history of the Lamar Hunt US Open Cup (formerly known as the National Challenge Cup) have won three straight championships. The Seattle Sounders of Major League Soccer are attempting to join that elite club this year. TheCup.us takes a look back at those three clubs and how they did it.