| Year | Winner | % Correct |
|---|---|---|
| 2018 | Atlanta United FC | 88%
|
| 2016 | Seattle Sounders FC | 88%
|
| 2017 | Toronto FC | 88%
|
| 2015 | Portland Timbers | 75%
|
| 2004 | D.C. United | 63%
|
| 1997 | D.C. United | 63%
|
| 1996 | D.C. United | 63%
|
| 2014 | Los Angeles Galaxy | 63%
|
| 2012 | Los Angeles Galaxy | 63%
|
| 2011 | Los Angeles Galaxy | 63%
|
| 1998 | Chicago Fire | 50%
|
| 2008 | Columbus Crew | 50%
|
| 1999 | D.C. United | 50%
|
| 2007 | Houston Dynamo | 50%
|
| 2006 | Houston Dynamo | 50%
|
| 2005 | Los Angeles Galaxy | 50%
|
| 2009 | Real Salt Lake | 50%
|
| 2001 | San Jose Earthquakes | 50%
|
| 2010 | Colorado Rapids | 38%
|
| 2000 | Kansas City Wizards | 38%
|
| 2002 | Los Angeles Galaxy | 38%
|
| 2003 | San Jose Earthquakes | 38%
|
| 2013 | Sporting Kansas City | 13%
|