Commissioner of Baseball
E3915
The Commissioner of Baseball is the chief executive and governing authority of Major League Baseball, responsible for overseeing the sport’s rules, operations, and integrity at the professional level.
All labels observed (9)
How this entity was disambiguated
This entity first appeared as the object of triple T49214 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Commissioner of Baseball Context triple: [Major League Baseball, commissionerTitle, Commissioner of Baseball]
-
A.
Major League Baseball
Major League Baseball is the premier professional baseball organization in North America, comprising teams from the United States and Canada and representing the highest level of play in the sport.
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B.
American League
The American League is one of the two major professional baseball leagues in Major League Baseball, comprising teams primarily based in the United States and Canada.
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C.
Hal Steinbrenner
Hal Steinbrenner is an American businessman and managing general partner who leads the New York Yankees, continuing the ownership legacy of his father, George Steinbrenner.
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D.
Industriales (baseball)
Industriales is one of Cuba’s most successful and popular baseball teams, traditionally representing Havana in the Cuban National Series.
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E.
World Series
The World Series is the annual championship series of Major League Baseball in North America, determining the league's overall champion.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Commissioner of Baseball Target entity description: The Commissioner of Baseball is the chief executive and governing authority of Major League Baseball, responsible for overseeing the sport’s rules, operations, and integrity at the professional level.
-
A.
Major League Baseball
Major League Baseball is the premier professional baseball organization in North America, comprising teams from the United States and Canada and representing the highest level of play in the sport.
-
B.
American League
The American League is one of the two major professional baseball leagues in Major League Baseball, comprising teams primarily based in the United States and Canada.
-
C.
Hal Steinbrenner
Hal Steinbrenner is an American businessman and managing general partner who leads the New York Yankees, continuing the ownership legacy of his father, George Steinbrenner.
-
D.
Industriales (baseball)
Industriales is one of Cuba’s most successful and popular baseball teams, traditionally representing Havana in the Cuban National Series.
-
E.
NFL Management Council
The NFL Management Council is the labor relations and collective bargaining representative for all National Football League clubs.
- F. None of above. chosen
Statements (50)
| Predicate | Object |
|---|---|
| instanceOf |
chief executive role
ⓘ
governing authority in professional sports ⓘ sports executive position ⓘ |
| alsoKnownAs |
Commissioner of Major League Baseball
ⓘ
Commissioner of Baseball ⓘ
surface form:
MLB Commissioner
|
| appliesTo |
Major League Baseball
ⓘ
professional baseball in North America ⓘ |
| appointedBy | Major League Baseball club owners ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| createdAfter | 1919 Black Sox Scandal ⓘ |
| employer |
Major League Baseball
ⓘ
Commissioner of Baseball self-linksurface differs ⓘ
surface form:
Office of the Commissioner of Baseball
|
| firstHolder | Kenesaw Mountain Landis ⓘ |
| firstHolderStart | 1920 ⓘ |
| governingBody | Major League Baseball ⓘ |
| hasDuties |
approving franchise relocations and expansions
ⓘ
disciplining players, managers, and clubs ⓘ enforcing Major League Baseball rules and policies ⓘ maintaining integrity of the game ⓘ negotiating national media contracts ⓘ overseeing drug and performance‑enhancing substance policies ⓘ overseeing labor relations with the MLB Players Association ⓘ overseeing postseason structure and scheduling ⓘ overseeing rules of Major League Baseball ⓘ representing Major League Baseball in public and governmental affairs ⓘ |
| headOf |
Major League Baseball executive structure
ⓘ
Commissioner of Baseball self-linksurface differs ⓘ
surface form:
Office of the Commissioner of Baseball
|
| inception | 1920 ⓘ |
| incumbent | Rob Manfred ⓘ |
| incumbentStart | 2015 ⓘ |
| industry | professional sports ⓘ |
| jurisdiction |
Canada
ⓘ
United States of America ⓘ
surface form:
United States
|
| legalAuthority |
Major League Constitution
ⓘ
collective bargaining agreements with MLBPA ⓘ |
| notableHolder |
Bowie Kuhn
ⓘ
Bud Selig ⓘ Fay Vincent ⓘ Ford Frick ⓘ Happy Chandler ⓘ Kenesaw Mountain Landis ⓘ Peter Ueberroth ⓘ Rob Manfred ⓘ |
| officeLocation |
Manhattan
ⓘ
surface form:
Manhattan, New York
|
| replaces |
Commissioner of Baseball
self-linksurface differs
ⓘ
surface form:
National Commission of Baseball
position of Chairman of the National Commission ⓘ |
| reportsTo | Major League Baseball club owners ⓘ |
| seat | New York City ⓘ |
| sport | baseball ⓘ |
| styleOfAddress | Commissioner ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Commissioner of Baseball Description of subject: The Commissioner of Baseball is the chief executive and governing authority of Major League Baseball, responsible for overseeing the sport’s rules, operations, and integrity at the professional level.
Referenced by (52)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Major League Baseball commissioner