For the fourth consecutive year, every MLS team will enter the Lamar Hunt U.S. Open Cup. The eight MLS teams to qualify for the MLS Cup Playoffs in 2005 will enter the fourth round of this year’s tournament. The remaining four MLS teams will enter the Open Cup in the third round.
Third Round Teams: CD Chivas USA, Columbus Crew, Kansas City Wizards, Real Salt Lake
Fourth Round Teams: Chicago Fire, Colorado Rapids, D.C. United, FC Dallas, Houston Dynamo, Los Angeles Galaxy, New England Revolution, New York Red Bulls
