USL Championship
professional soccer league in the USA
The USL Championship (USLC) is a men's professional soccer league in the second tier of the United States league system. It is organized by the United Soccer League (USL) as its premier league for men above USL League One. Operating under a franchise model, 25 teams divided between the league's Eastern and Western conferences compete in an annual round-robin regular season, lasting from spring to fall. At the end of the season, the top team overall wins the Players' Shield, while the top eight teams in each conference advance to a playoff tournament culminating in the USL Championship final, which determines the champion. The league's teams also simultaneously compete in the U.S. Open Cup and USL Cup.
Playing its first season in 2011 as USL Pro, and later the USL, the league formed from the merger of the USL's preceding two pro leagues, after a number of clubs broke away to establish the North American Soccer League. It was initially sanctioned by U.S. Soccer as a third-tier league, but was later promoted to the second tier in 2017. Reserve teams of Major League Soccer (MLS) franchises also competed in the league from 2014 to the advent of MLS Next Pro in 2022. The Championship adopted its current name following the re-establishment of a second pro league in 2019. A third pro league, USL Premier, is currently being planned to supersede the Championship as the USL's top league.
This brief starts where responsible research should: with the source description of “USL Championship” as professional soccer league in the USA. Everything that follows is an evidence route, not borrowed authority.
Why this record matters
The subject matters to the general reference register because the source frames it as professional soccer league in the USA. Its deeper value depends on whether names, dates, institutions and citations support that framing.
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 22, 2026. The linked authority identifier is Q1362411. 1 of 2 selected statements include explicit references; 1 carry qualifiers and 0 use preferred rank. The first chronological checks are 2011, 2017, 2014 and 2022.
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.
How to read it
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.
- Subject orientation
- Search vocabulary
- Locating named sources
The closest primary source, responsible institution and strongest cited specialist reference.
Three-step research path
- Establish the record: confirm the title “USL Championship”, its source revision and the description used here.
- Expand the search: follow USL Championship primary sources, USL Championship archive and Championship research across catalogues and specialist indexes.
- Test the account: compare the strongest cited source with the responsible institution’s current record and note any disagreement.
Questions for further research
- Which source most directly establishes the central claim about “USL Championship”?
- What terminology or title could unlock a more precise catalogue search?
- Which cited source is closest to the event, object or claim?
Search terms from this dossier
This entry incorporates text from “USL Championship” 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.