The 2009 MLS Western Conference was won by the Los Angeles Galaxy, who finished with 49 points from 30 matches. They secured the top seed heading into the playoffs with a record of 15 wins, 10 losses, and 5 draws.
Seattle Sounders FC, in their inaugural MLS season, had a remarkable debut campaign finishing second in the Western Conference with 47 points. Real Salt Lake claimed third place with 44 points, while FC Dallas secured the final playoff spot with 42 points. The conference featured 10 teams total, with the bottom six teams missing the playoffs.
This season was notable for Seattle's incredible first-year performance and Real Salt Lake's eventual MLS Cup victory despite finishing third in the regular season standings. The Western Conference proved highly competitive, with only seven points separating first place from the final playoff position.