Sam Lammers
Dutch association football player
Sam Adrianus Martinus Lammers (born 30 April 1997) is a Dutch professional footballer who plays as a forward for Eredivisie club PSV Eindhoven.
Lammers has previously played for several clubs in the Netherlands, Italy and Germany, including PSV Eindhoven, Atalanta, and Eintracht Frankfurt.
Club career
PSV Eindhoven
Lammers joined PSV Eindhoven's youth system in 2010, having previously played youth football for VOAB and Willem II. He signed a three-year professional contract with PSV in July 2015. Lammers made his debut in professional football on 10 August 2015, when he faced Go Ahead Eagles with Jong PSV. On 8 August 2016, he scored a hat-trick in Jong PSV's 5–4 win against Den Bosch.
Lammers made his first-team debut for PSV on 21 September 2016, in a KNVB Cup match against Roda.
He was loaned out to Heerenveen for the 2018–19 season.
Atalanta
In September 2020, Lammers joined Serie A club Atalanta. The transfer fee paid to PSV was reported as €9 million plus €2 million in possible bonuses. On 4 October, he scored his first goal in a 5–2 win against Cagliari.
In September 2021, Lammers joined Eintracht Frankfurt on loan for a season, without option to buy, to replace André Silva who left Eintracht for RB Leipzig.
This brief starts where responsible research should: with the source description of “Sam Lammers” as dutch association football player. Everything that follows is an evidence route, not borrowed authority.
Why this record matters
The subject matters to the people & ideas register because the source frames it as dutch association football player. Its deeper value depends on whether names, dates, institutions and citations support that framing.
Biographical claims are most persuasive when dates, appointments and relationships can be traced to records created close to the events described. The source revision retrieved here is dated Sep 22, 2026. The linked authority identifier is Q20972400. 1 of 1 selected statements include explicit references; 0 carry qualifiers and 0 use preferred rank. The first chronological checks are 1997, 2010, 2015 and 2016.
Public reputation and documentary evidence do not always develop together; absence from a summary is not evidence of historical absence. 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
Read biographical claims against dates, named institutions and the cited references. Distinguish a subject’s later reputation from evidence produced during their lifetime.
- Establishing names and roles
- Building a first chronology
- Locating cited institutions
Personal papers, civil or court records, institutional files and the scholarship cited by the source.
Three-step research path
- Establish the record: confirm the title “Sam Lammers”, its source revision and the description used here.
- Expand the search: follow Sam Lammers primary sources, Sam Lammers archive and Lammers 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 “Sam Lammers”?
- How has the subject’s reputation changed across later accounts?
- Which primary records establish identity, chronology and institutional ties?
Search terms from this dossier
This entry incorporates text from “Sam Lammers” 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.