J. J. Furmaniak
American baseball player (born 1979)

Jason Joseph "J. J." Furmaniak (born July 31, 1979) is an American former professional baseball infielder, who played in the major leagues for the Pittsburgh Pirates and the Oakland Athletics.
Early life and career
Furmaniak was born in Bolingbrook, Illinois After graduating from Bolingbrook High School, Furmaniak attended college at Lewis University in Romeoville, Illinois.
He was drafted by the San Diego Padres in the 22nd round of the 2000 Major League Baseball draft.
He was a Minor League All-Star in 2000, 2003 and 2005.
Furmaniak made his major league debut with the Pittsburgh Pirates on September 13, 2005, and played with the Pirates for the 2005 season. He played for the Oakland Athletics during the 2007 Season. Furmaniak became a free agent on October 7, 2007, after refusing an outright assignment to the minors.
He signed with the Yokohama BayStars of Nippon Professional Baseball during the offseason, and played with the team for the 2008 season. On December 17, 2008, Furmaniak signed a minor league contract with the Philadelphia Phillies. He appeared in 118 games with the Phillies' AAA affiliate in 2009, hitting .230 with five home runs while driving in 48 runs.
This brief starts where responsible research should: with the source description of “J. J. Furmaniak” as american baseball player (born 1979). 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 american baseball player (born 1979). Its deeper value depends on whether names, dates, institutions and citations support that framing.
Chronology provides the most reliable spine for this subject; interpretation should follow only after identities and dates are secure. The source revision retrieved here is dated Jul 27, 2026. The linked authority identifier is Q11225141. The first chronological checks are 1979, 2000, 2003 and 2005.
A concise life account rarely captures disputed attribution, private networks or the changing language used to describe a career. 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 “J. J. Furmaniak”, its source revision and the description used here.
- Expand the search: follow J. J. Furmaniak primary sources, J. J. Furmaniak archive and Furmaniak 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 “J. J. Furmaniak”?
- Which claims depend on a single source or contested interpretation?
- Which primary records establish identity, chronology and institutional ties?
Search terms from this dossier
This entry incorporates text from “J. J. Furmaniak” 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.