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 2006 Houston Dynamo season was the inaugural season of the club.
The 2008 MLS SuperDraft took place on January 18, 2008 in Baltimore, Maryland. It was the ninth annual Major League Soccer SuperDraft. The first selection was made by the Kansas City Wizards, after acquiring the selection from the expansion San Jose Earthquakes. It was followed by the Supplemental Draft.
The 2008 Chicago Fire season was the club's 10th year of existence, as well as their 11th season in Major League Soccer and 11th consecutive year in the top-flight of American soccer. It began with a 3-1 away win over Real Salt Lake on March 29, 2008 and ended with a 2-1 loss to Columbus Crew in the Eastern Conference Final on November 13, 2008. Denis Hamlett made his debut as the Chicago Fire coach after being promoted.
The 2009 MLS SuperDraft took place on January 15, 2009, in St. Louis, Missouri. It was the tenth annual Major League Soccer SuperDraft. The first selection was owned by the expansion Seattle Sounders FC. Unlike previous years, the SuperDraft was not followed by the Supplemental Draft due to roster changes for the 2009 season decreasing the number of developmental spaces.
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 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 San Jose Earthquakes season was the twelfth season of the team's existence, and the second since its revival. The season began with a 1-0 home loss to the New England Revolution on March 21, and ended with a 2-0 loss at the Los Angeles Galaxy on October 24.
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 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 MLS SuperDraft was the eleventh annual SuperDraft presented by Major League Soccer. It was held on January 14, 2010 in Philadelphia, Pennsylvania, during the 2010 NSCAA Convention. The 2010 SuperDraft consisted of four rounds with sixteen selections each, for a total of 64 players selected during the draft. The draft preceded the 2010 MLS season.
The 2008 Chivas USA season was the club's fourth season of existence, and their fourth in Major League Soccer, the top flight of American soccer. The club competed in the MLS's Western Conference, where they finished in first place, in their Conference, qualifying for the Playoffs for the second time.
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 2008 FC Dallas season was the twelfth season of the Major League Soccer team. The team failed to make the postseason for the first time in four years.
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.
