The Western Conference is one of Major League Soccer's two conferences, along with the Eastern Conference. As of 2023, the division of the Conferences broadly follows the path of the Mississippi river from the Great Lakes to the Gulf of Mexico, with clubs on, or west of the River in the Western Conference.
The 2009 Chicago Fire season was the club's 14th year of existence, as well as their 12th season in Major League Soccer and 12th consecutive year in the top-flight of American soccer. It began with a 3-1 away win over FC Dallas on March 21, 2009 and ended with a loss on penalties to Real Salt Lake in the Eastern Conference Final on November 14, 2009.
The 2009 D.C. United season was the fourteenth season of the team's existence. It began on March 22, 2009, with a 2–2 draw at the Los Angeles Galaxy and ended on October 22, 2009, at the Kansas City Wizards by the same 2–2 scoreline.
The 2009 New England Revolution season was the fourteenth season of the team's existence, and the eighth straight in which the team made the playoffs. It began on March 21 with a 1–0 road win over the San Jose Earthquakes and ended on November 7 with a 2–0 loss to the Chicago Fire.
The 2009 New York Red Bulls season was the fourteenth season of the team's existence. It began with a 3–0 loss at expansion Seattle Sounders FC on March 19, and ended on October 24 with a 5–0 win over Toronto FC, the last match ever played by the team in Giants Stadium.
The 2009 Chivas USA season was the fifth season of the team's existence. It began on March 21 with a 2-1 home win over the Colorado Rapids, and ended with a 3-2 aggregate loss to the Los Angeles Galaxy in the first round of the playoffs.
The 2009 Colorado Rapids season was the fourteenth season of the team's existence. It began on March 21 with a 2–1 loss at Chivas USA and ended on October 24 with a 3–0 loss to Real Salt Lake. The result put RSL in the playoffs as the 8th seed and kept Colorado out on goal differential.
The 2009 FC Dallas season was the fourteenth season of the team's existence. It began on March 21 with a 3–1 home loss to the Chicago Fire and ended with a 2–1 away loss to Seattle Sounders FC on October 24. A win in that game would have sent the team to the playoffs.
The 2009 Los Angeles Galaxy season was the 14th season of the team's existence. It began on March 22, 2009, with a 2-2 home draw against D.C. United, and ended on November 22, 2009, with a loss on penalties to Real Salt Lake in the 2009 MLS Cup Final.
The 2009 Real Salt Lake season was the fifth season of the team's existence. After clinching the eighth and final spot in the 2009 MLS Cup Playoffs, Real Salt Lake would go on to defeat the Los Angeles Galaxy in the 2009 MLS Cup. The team was the first team in MLS history to win the MLS Cup after finishing the regular season with a losing record (11–12–7).
The 2010 Chivas USA season was the sixth season of the team's existence.
The 2010 Colorado Rapids season was the fifteenth year and season of the club's existence. It was Colorado's fifteenth year in Major League Soccer, and the fifteenth consecutive year for the club in the top-flight of American soccer.
The 2010 Houston Dynamo season was the fifth season of the team's existence since joining Major League Soccer (MLS) prior to the 2006 season. It was the team's fifth season with head coach Dominic Kinnear, majority owner Philip Anschultz, and chief operating officer Chris Canetti. On June 10, team president Oliver Luck left the Dynamo to become athletic director for his alma mater, West Virginia University.
The 2010 Los Angeles Galaxy season was the club's fifteenth season of existence. It was also the Galaxy's fifteenth season in Major League Soccer and their fifteenth-consecutive year at the top-flight of American soccer.
The 2010 Chicago Fire season was the club's 15th year of existence, their 13th season in Major League Soccer, and 13th consecutive year in the top-flight of American soccer.
The 2008 Colorado Rapids season was the thirteenth season of the team's existence. Colorado began their season with 4-0 victory over the Los Angeles Galaxy and ended a 1-1 draw against Real Salt Lake. They finished 4th in the Western Conference and 9th overall, 1 point behind the New York Red Bulls for the final Wild Card Playoff spot. In the U.S. Open Cup Qualifying, Colorado defeated the Los Angeles Galaxy 1-0 before losing in Kansas City in a penalty shootout.
The 2008 San Jose Earthquakes season was the eleventh season of the team's existence, and the first in their return to the league after a two-year hiatus.
The 2013 San Jose Earthquakes season was the club's 16th year of existence, as well as its 16th season in Major League Soccer and its sixth consecutive season in the top-flight of American soccer. Including all previous franchises, this is the 31st year with a soccer club in the San Jose area sporting the name "Earthquakes".
The 2008 Columbus Crew season was the club's thirteenth season of existence and their thirteenth consecutive season in Major League Soccer, the top flight of American soccer. Columbus also competed in the U.S. Open Cup and the MLS Cup Playoffs. The season covered the period from November 14, 2007 to the start of the 2009 Major League Soccer season.
Ryan Johnson (11)
