Seattle Sounders FC
American professional soccer club based in Seattle

Seattle Sounders FC is an American professional soccer club based in Seattle. The Sounders compete in Major League Soccer (MLS) as a member of the Western Conference. The club was established on November 13, 2007, and began play in 2009 as an MLS expansion team. The Sounders are a phoenix club, replacing the second-division franchise that played in the American Professional Soccer League (APSL), A-League, and USL First Division (USL-1) from 1994 to 2008, and carrying the same name as the original Sounders franchise that competed in the North American Soccer League (NASL) from 1974 to 1983.
The public source identifies “Seattle Sounders FC” as american professional soccer club based in Seattle. This brief keeps that definition visible, then builds a research path around Seattle, Sounders and American.
Why this record matters
A short description can identify a subject without explaining its stakes. For “Seattle Sounders FC”, the useful work is to connect “american professional soccer club based in Seattle” to the records capable of establishing context and consequence.
The citation trail is more important than the brevity of the summary: it shows where individual claims can be examined in context. The source revision retrieved here is dated Sep 23, 2026. The first chronological checks are 2007, 2009, 1994 and 2008.
A concise general-reference account can conceal disagreements about scope, terminology or the weight assigned to individual sources. The lead is largely declarative, so disagreement and counter-evidence require a deliberate search beyond the opening account. Authority statements aid reconciliation but still require their own references, qualifiers and ranks to be checked.
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Use the entry as an orientation point, then follow its citations and revision history. Names, dates and institutional relationships should be checked against the original record.
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Three-step research path
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Questions for further research
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This entry incorporates text from “Seattle Sounders FC” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.