Tickets to the 7:30 p.m. game at Titan Stadium in Fullerton are still available for $5 to $8 each.
Struggling Chivas USA beat the struggling local USL Pro team 5-1 in preseason, but has lost six of its last seven MLS games. The Blues punted GM Warren Barton last week.
The winner of the game plays the victor of the Wednesday U.S. Open clash between the Galaxy and Carolina RailHawks June 12 at Home Depot Center.
More on the tournament is here.