YEAR	CHAMPION	RUNNER-UP	SCORE
1996	D.C. United	Los Angeles Galaxy	3-2 OT
1997	D.C. United	Colorado Rapids	2-1
1998	Chicago Fire	D.C. United	2-0
1999	D.C. United	Los Angeles Galaxy	2-0
2000	Kansas City Wizards	Chicago Fire	1-0
2001	San Jose Earthquakes	Los Angeles Galaxy	2-1 OT
2002	Los Angeles Galaxy	New England Revolution	1-0 OT
2003	San Jose Earthquakes	Chicago Fire	4-2
2004	D.C. United	Kansas City Wizards	3-2
2005	Los Angeles Galaxy	New England Revolution	1-0
2006	Houston Dynamo	New England Revolution	1-1 (4-3 PK)
2007	Houston Dynamo	New England Revolution	2-1
2008	Columbus Crew	New York Red Bulls	3-1
2009	Real Salt Lake	Los Angeles Galaxy	1-1 (5-4 PK)
2010	Colorado Rapids	FC Dallas	2-1 OT
2011	Los Angeles Galaxy	Houston Dynamo	1-0
2012	Los Angeles Galaxy	Houston Dynamo	3-1
2013	Sporting Kansas City	Real Salt Lake	1-1 (7-6 PK)
2014	Los Angeles Galaxy	New England Revolution	2-1 OT
2015	Portland Timbers	Columbus Crew SC	2-1
2016	Seattle Sounders FC	Toronto FC	0-0 (5-4 PK)
2017	Toronto FC	Seattle Sounders FC	2-0
2018	Atlanta United	Portland Timbers	2-0
2019	Seattle Sounders FC	Toronto FC	3-1
2020	Columbus Crew SC	Seattle Sounders FC	3-0
2021	New York City FC	Portland Timbers	1-1 (4-2 PK)
2022	Los Angeles FC	Philadelphia Union	3-3 (3-0 PK)
2023	Columbus Crew SC	Los Angeles FC	2-1