The following is a list of transfers for the 2009 Major League Soccer season . Seattle Sounders FC, a new expansion team, signed four players during the 2008 season, however their transfers are listed on this page for clarity. David Beckham's loan to Milan was also made during the 2008 season. The rest of the transfers were made during the 2008–09 offseason all the way through to the MLS transfer deadline on August 31, 2009.
Kenneth Scott Cooper Jr. is an American former soccer player who played as a forward. He began his soccer career with Manchester United but failed to break through to the first team. He went on to play for clubs in Portugal, Germany, England, the United States, and Canada.
The 2009 season was Seattle Sounders FC's first in Major League Soccer (MLS), the top flight of American soccer. It was the 29th season played by a professional team bearing the Sounders name, which was chosen for the MLS expansion team by a fan vote. An MLS franchise was awarded to a group from Seattle in 2007, including Adrian Hanauer, the owner of the second-division incarnation of the Sounders.
The 2009 Houston Dynamo season was the fourth season of existence for the Houston franchise since joining Major League Soccer (MLS) prior to the 2006 season. It was the team's fourth season with head coach Dominic Kinnear, majority owner Philip Anschultz, president Oliver Luck, and chief operating officer Chris Canetti.
The 2009 Chicago Fire season was the club's 11th 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 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 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 San Jose Earthquakes season was the club's thirteenth season of existence. The Earthquakes finished 8th overall in MLS and finished in the Eastern Conference finals of the MLS Cup playoffs before losing to the Colorado Rapids. It was the first season the club made the playoffs since 2005.
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 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 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 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 2014 Chivas USA season was Chivas USA's tenth and final season and before move from to Los Angeles FC, in Major League Soccer, the top division for soccer in America.
The 2014 Seattle Sounders FC season was the club's sixth season in Major League Soccer, the United States' top-tier of professional soccer. Including previous Seattle Sounders franchises, this was the 34th season of a soccer team playing in the Seattle metro area.
The 2015 Seattle Sounders FC season was the club's seventh season in Major League Soccer, the United States' top-tier of professional soccer. Including previous Seattle Sounders franchises, this was the 35th season of a soccer team playing in the Seattle metro area.
The 2015 Portland Timbers season was the 5th season for the Portland Timbers in Major League Soccer (MLS), the top flight professional soccer league in the United States and Canada this season resulted in the Timbers winning the 2015 MLS Cup.
The 2021 Los Angeles FC season was the club's fourth season in Major League Soccer, the top tier of the American soccer pyramid. LAFC played its home matches at the Banc of California Stadium in the Exposition Park neighborhood of Los Angeles, California.