2020 – Philadelphia Union
2019 – Los Angeles Football Club
2018 – New York Red Bulls
2017 – Toronto FC
2016 – FC Dallas
2015 – New York Red Bulls
2014 – Seattle Sounders FC
2013 – New York Red Bulls
2012- San Jose Earthquakes
2011 -Los Angeles Galaxy
2010 -Los Angeles Galaxy
2009 -Columbus Crew
2008 -Columbus Crew
2007 -D.C. United
2006 -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