Sergio Martínez (boxer)
Argentinian boxer
Sergio Gabriel Martínez (born 21 February 1975) is an Argentine professional boxer. He has held world championships in two weight classes, including the WBC super welterweight title from 2009 to 2010; and the unified WBC, WBO, Ring magazine and lineal middleweight titles between 2010 and 2014. With six successful defenses of The Ring and lineal middleweight titles, Martínez's 50-month reign as champion ranks as one of the longest in the history of that weight class.
In 2020 he was granted the Platinum Konex Award as the best boxer of the last decade in Argentina. Between 2010 and 2014, Martínez was generally ranked as the world's third best active boxer, pound for pound, behind Floyd Mayweather Jr. and Manny Pacquiao, as voted by most sporting news and boxing publications, however in May 2011 he reached a career high ranking as No. 2 pound for pound boxer by Yahoo! Sports and The Ring. In 2010 he received Fighter of the Year awards by both The Ring and the Boxing Writers Association of America, as well as The Ring's Knockout of the Year for his rematch victory against Paul Williams. The WBC named him their Boxer of the Year in 2010 and 2012.
“Sergio Martínez (boxer)” enters the record as argentinian boxer. Crown Archives preserves that source wording while asking what Sergio, Martínez and boxer can confirm, complicate or overturn.
Why this record matters
“Sergio Martínez (boxer)” is worth following because a concise public description often conceals a longer documentary argument. Here, Sergio, Martínez and boxer provides the most credible route into that argument.
Named sources, stable identifiers and responsible institutions provide the strongest route from overview to verifiable evidence. The source revision retrieved here is dated Sep 8, 2026. The linked authority identifier is Q973553. VIAF identifies the subject as 311580168. The Library of Congress control number is n2014070011. 4 of 4 selected statements include explicit references; 1 carry qualifiers and 0 use preferred rank. The first chronological checks are 1975, 2009, 2010 and 2014.
Overview language is designed for orientation and should not be treated as a substitute for the evidence cited beneath it. The source lead contains qualifying language; that uncertainty should survive quotation, summary and reuse. 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 “Sergio Martínez (boxer)”, its source revision and the description used here.
- Expand the search: follow Sergio Martínez (boxer) primary sources, Sergio Martínez (boxer) archive and Sergio 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 “Sergio Martínez (boxer)”?
- Which cited source is closest to the event, object or claim?
- Which institution is responsible for the underlying evidence?
Search terms from this dossier
This entry incorporates text from “Sergio Martínez (boxer)” 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.