5
LA Galaxy
4
D.C. United
2
San Jose Earthquakes
2
Houston Dynamo
2
Sporting Kansas City
2
Seattle Sounders
2
Columbus Crew
1
Chicago Fire
1
Real Salt Lake
1
Colorado Rapids
1
Portland Timbers
1
Toronto
1
Atlanta United
1
New York City
1
Los Angeles FC
2022
Los Angeles
2021
New York
2020
Columbus Crew
2019
Seattle Sounders
2018
Atlanta United
2017
Toronto
2016
Seattle Sounders
2015
Portland Timbers
2014
LA Galaxy
2013
Kansas City
2012
LA Galaxy
2011
LA Galaxy
2010
Colorado Rapids
2009
Real Salt Lake
2008
Columbus Crew
2007
Houston Dynamo
2006
Houston Dynamo
2005
LA Galaxy
2004
D.C. United
2003
San Jose
2002
LA Galaxy