Alan Porter
baseball umpire from the United States
Alan Dwayne Porter Jr. (born December 18, 1977) is an American Major League Baseball umpire. He umpired his first Major League game on April 5, 2010. He wears uniform number 64.
Umpiring career
Porter's Major League umpiring debut was in early 2010 and he umpired a total of 35 major league games that season. He returned in 2011 to officiate in 121 big league games. Porter was hired to the full-time MLB staff in January 2013. Porter was the home plate umpire for Jordan Zimmermann's (Washington Nationals) no-hitter against the Miami Marlins on the last day of the 2014 regular season. Porter's first postseason assignment was the 2014 NLDS between the St. Louis Cardinals and the Los Angeles Dodgers.
The public source identifies “Alan Porter” as baseball umpire from the United States. This brief keeps that definition visible, then builds a research path around Alan, Porter and baseball.
Why this record matters
A short description can identify a subject without explaining its stakes. For “Alan Porter”, the useful work is to connect “baseball umpire from the United States” to the records capable of establishing context and consequence.
Vocabulary and entity names are the principal evidence signals here, because they determine the precision of every later search. The source revision retrieved here is dated Jul 15, 2026. The linked authority identifier is Q4707541. 1 of 1 selected statements include explicit references; 0 carry qualifiers and 0 use preferred rank. The first chronological checks are 1977, 2010, 2011 and 2013.
Overview language is designed for orientation and should not be treated as a substitute for the evidence cited beneath it. 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 “Alan Porter”, its source revision and the description used here.
- Expand the search: follow Alan Porter primary sources, Alan Porter archive and Alan 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 “Alan Porter”?
- 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 “Alan Porter” 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.