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 2011 Chivas USA season was the club's seventh year of existence, as well as their seventh season in Major League Soccer, and their seventh consecutive season in the top-flight of American soccer.
The 2011 Seattle Sounders FC season was the club's third season in Major League Soccer, the United States' top-tier of professional soccer. It was the Sounders FC organization's third year of existence; including all previous clubs, it was the 31st season of a soccer team bearing the Sounders name.
The 2012 Real Salt Lake season was the team's eighth year of existence. The team's first game was on March 10 at the Home Depot Center against the Los Angeles Galaxy, which they won 3-1.
The 2012 Portland Timbers season was the 2nd season for the Portland Timbers in Major League Soccer (MLS), the top flight professional soccer league in the United States and Canada. The season ended with a 1–1 tie with San Jose on October 27, an MLS record of 8-10-16, and elimination from the MLS Cup at 8th place in the western conference and 17th in the overall MLS regular season standings. The Timbers won the 2012 Cascadia Cup with a record of 3-1-2 against Seattle and Vancouver. Including all previous teams in the area to bear the "Timbers" name, this is the 26th season in the history of the Portland Timbers franchise.
The 2012 Los Angeles Galaxy season was the club's 18th year of existence as well as their 17th season in Major League Soccer (MLS) and their 17th consecutive year in the top-flight of American soccer. The Galaxy entered the season as both the defending MLS Cup and Supporters' Shield winners.
The 2012 Colorado Rapids season was the team's eighteenth year of existence. The team's first match was on March 10 at Dick's Sporting Goods Park.
The 2012 Seattle Sounders FC season was the club's fourth season in Major League Soccer, the United States' top-tier of professional soccer. For the Sounders FC organization, it was their fourth year of existence, and including all previous clubs, it was the 32nd season of a soccer team bearing the Sounders name.
The 2012 Chivas USA season was the club's eighth year of existence. It was the club's eighth consecutive season in Major League Soccer, the top division in American soccer. Chivas USA competed in Major League Soccer's Western Conference.
The 2012 Vancouver Whitecaps FC season was the Whitecaps' second season in Major League Soccer, the top tier of soccer in the United States and Canada. In 2011, the expansion Whitecaps FC struggled to find the results and finished at the bottom of the league table winning just six matches with none on the road. By finishing last overall in the regular season the Whitecaps FC received the 2nd overall pick in the 2012 MLS SuperDraft and 2012 MLS Supplemental Draft that were held in January 2012.
The 2013 MLS SuperDraft was the fourteenth SuperDraft presented by Major League Soccer. The draft took place on January 17, 2013 in Indianapolis, Indiana at the Indiana Convention Center.
The 2012 San Jose Earthquakes season was the club's 15th year of existence, as well as its 15th season in Major League Soccer and its fifth consecutive season in the top-flight of American soccer. Including all previous franchises, this is the 30th year with a soccer club in the San Jose area sporting the name "Earthquakes".
The 2014 MLS SuperDraft was the fifteenth SuperDraft presented by Major League Soccer. The first two rounds of the four round draft took place on January 16, 2014, in Philadelphia, Pennsylvania at the Philadelphia Convention Center. Rounds three and four took place on January 21, 2014, via conference call.
The 2013 Seattle Sounders FC season was the club's fifth season in Major League Soccer, the United States' top-tier of professional soccer. For the Sounders FC organization, it was their fifth year of existence, and including all previous clubs, it was the 33rd season of soccer in Seattle.
The 2013 Chivas USA season was the club's ninth season of existence, and their ninth season in Major League Soccer, the top tier of the American and Canadian soccer pyramids. Chivas USA looked to rebound off a disappointing season, which saw the club finish at the bottom of the Western Conference table.
The 2013 Colorado Rapids season was the club's eighteenth season of existence, and their eighteenth season in Major League Soccer, the top tier of the American and Canadian soccer pyramids.
The 2014 Portland Timbers season was the 4th season for the Portland Timbers in Major League Soccer (MLS), the top flight professional soccer league in the United States and Canada.
The 2014 Colorado Rapids season was the club's nineteenth season of existence, and their nineteenth season in Major League Soccer, the top tier of the American and Canadian soccer pyramids.
The 2014 San Jose Earthquakes season was the club's 17th year of existence, as well as its 17th season in Major League Soccer and its 7th consecutive season in the top-flight of American soccer. Including all previous franchises, it was the 32nd year with a soccer club in the San Jose area sporting the name "Earthquakes".
The 2015 MLS SuperDraft was the sixteenth SuperDraft conducted by Major League Soccer. The SuperDraft is held each year in conjunction with the annual National Soccer Coaches Association of America convention. The 2015 convention was held January 14–18, 2015 in Philadelphia, Pennsylvania.
