Columbus Crew
D.C. United
Kansas City Wizards
New England Revolution
Red Bull New York
Toronto FC
Colorado Rapids
FC Dallas
Houston Dynamo
Los Angeles Galaxy
Real Salt Lake
2005: Los Angeles Galaxy
2004: D.C. United
2003: San Jose Earthquakes
2002: Los Angeles Galaxy
2001: San Jose Earthquakes
2000: Kansas City Wizards
1999: D.C. United
1998: Chicago Fire
1997: D.C. United
1996: D.C. United
2005: San Jose Earthquakes
2004: Columbus Crew
2003: Chicago Fire
2002: Los Angeles Galaxy
2001: Miami Fusion
2000: Kansas City Wizards
1999: D.C. United
1998: Los Angeles Galaxy
1997: D.C. United
1996: Tampa Bay Mutiny