| Year | 1967-68 to 1983-84 | Year | 1996 to 2015 | North American Champions (23 Clubs) | MLS 2015 Eastern (Pts) | |||||||||||
| 1968 | Atlanta Chiefs | 1993 | 5 | New York Cosmos | New York Red Bulls | 60 | ||||||||||
| 1969 | Kansas City Spurs | 1994 | 5 | Los Angeles Galaxy | Columbus Crew | 53 | ||||||||||
| 1970 | Rochester Lancers | 1995 | 4 | DC United | Montreal Impact | 51 | ||||||||||
| 1971 | Dallas Tornado | 1996 | DC United | 2 | Chicago Sting | D.C. United | 51 | |||||||||
| 1972 | New York Cosmos | 1997 | DC United | 2 | Houston Dynamo | New England Revolution | 50 | |||||||||
| 1973 | Philadelphia Atoms | 1998 | Chicago Fire | 2 | San Jose Earthquakes | Toronto FC | 49 | |||||||||
| 1974 | Los Angeles Aztecs | 1999 | DC United | 1 | Atlanta Chiefs | Orlando City SC | 44 | |||||||||
| 1975 | Tampa Bay Rowdies | 2000 | Kansas City Wizards | 1 | Chicago Fire | New York City FC | 37 | |||||||||
| 1976 | Toronto Metros-Croatia | 2001 | San Jose Earthquakes | 1 | Colorado Rapids | Philadelphia Union | 37 | |||||||||
| 1977 | New York Cosmos | 2002 | Los Angeles Galaxy | 1 | Columbus Crew | Chicago Fire | 30 | |||||||||
| 1978 | New York Cosmos | 2003 | San Jose Earthquakes | 1 | Dallas Tornado | MLS 2015 Western (Pts) | ||||||||||
| 1979 | Vancouver Whitecaps | 2004 | DC United | 1 | Kansas City Spurs | FC Dallas | 60 | |||||||||
| 1980 | New York Cosmos | 2005 | Los Angeles Galaxy | 1 | Kansas City Wizards | Vancouver Whitecaps | 53 | |||||||||
| 1981 | Chicago Sting | 2006 | Houston Dynamo | 1 | Los Angeles Aztecs | Portland Timbers | 53 | |||||||||
| 1982 | New York Cosmos | 2007 | Houston Dynamo | 1 | Philadelphia Atoms | Seattle Sounders | 51 | |||||||||
| 1983 | Tulsa Roughnecks | 2008 | Columbus Crew | 1 | Rochester Lancers | Los Angeles Galaxy | 51 | |||||||||
| 1984 | Chicago Sting | 2009 | Real Salt Lake | 1 | Tampa Bay Rowdies | Sporting Kansas City | 51 | |||||||||
| 1985 | 2010 | Colorado Rapids | 1 | Toronto Metros-Croatia | San Jose Earthquakes | 47 | ||||||||||
| 1986 | 2011 | Los Angeles Galaxy | 1 | Tulsa Roughnecks | Houston Dynamo | 42 | ||||||||||
| 1987 | 2012 | Los Angeles Galaxy | 1 | Vancouver Whitecaps | Real Salt Lake | 41 | ||||||||||
| 1988 | 2013 | Sporting Kansas City | 1 | Real Salt Lake | Colorado Rapids | 37 | ||||||||||
| 1989 | 2014 | Los Angeles Galaxy | 1 | Sporting Kansas City | Final Tables | |||||||||||
| 1990 | 2015 | Portland Timbers | 1 | Portland Timbers | ||||||||||||
| 1991 | 2016 | 37 | Total Championships | |||||||||||||
| 1992 | 2017 | 1967-1984 North American Soccer League | 1995-2014 Major League Soccer | |||||||||||||