MLB Commissioner’s Office
E155269
The MLB Commissioner’s Office is the central governing body of Major League Baseball, responsible for overseeing league operations, enforcing rules and policies, and managing the sport’s business and regulatory affairs.
All labels observed (7)
How this entity was disambiguated
This entity first appeared as the object of triple T1331872 — 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: MLB Commissioner’s Office Context triple: [MLB international signing system, enforcedBy, MLB Commissioner’s Office]
-
A.
Major League Baseball Labor Policy Committee
The Major League Baseball Labor Policy Committee is the group of MLB owners’ representatives responsible for leading and coordinating the league’s labor relations and collective bargaining negotiations with the players’ union.
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B.
Major League Baseball Players Association
The Major League Baseball Players Association is the labor union that represents and advocates for all current Major League Baseball players in matters such as contracts, working conditions, and collective bargaining.
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C.
Major League Baseball Rules Committee
The Major League Baseball Rules Committee is the governing body responsible for reviewing, interpreting, and revising the official rules that regulate professional baseball in Major League Baseball.
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D.
Commissioner of Baseball
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.
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E.
National Association of Professional Baseball Leagues
The National Association of Professional Baseball Leagues was the longtime governing body for Minor League Baseball in the United States and Canada, overseeing its leagues and teams from 1901 until its reorganization in 2021.
- 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: MLB Commissioner’s Office Target entity description: The MLB Commissioner’s Office is the central governing body of Major League Baseball, responsible for overseeing league operations, enforcing rules and policies, and managing the sport’s business and regulatory affairs.
-
A.
Major League Baseball Labor Policy Committee
The Major League Baseball Labor Policy Committee is the group of MLB owners’ representatives responsible for leading and coordinating the league’s labor relations and collective bargaining negotiations with the players’ union.
-
B.
Major League Baseball Players Association
The Major League Baseball Players Association is the labor union that represents and advocates for all current Major League Baseball players in matters such as contracts, working conditions, and collective bargaining.
-
C.
Major League Baseball Rules Committee
The Major League Baseball Rules Committee is the governing body responsible for reviewing, interpreting, and revising the official rules that regulate professional baseball in Major League Baseball.
-
D.
Commissioner of Baseball
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.
-
E.
National Association of Professional Baseball Leagues
The National Association of Professional Baseball Leagues was the longtime governing body for Minor League Baseball in the United States and Canada, overseeing its leagues and teams from 1901 until its reorganization in 2021.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
organizational unit
ⓘ
sports governing body ⓘ |
| collaboratesWith |
Major League Baseball Players Association
ⓘ
surface form:
MLB Players Association
Minor League Baseball (since 2021 restructuring) ⓘ
surface form:
Minor League Baseball organizations
World Baseball Softball Confederation ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| employs |
business and marketing staff
ⓘ
disciplinary officials ⓘ league executives ⓘ legal and compliance staff ⓘ rules and competition committee staff ⓘ |
| governs | Major League Baseball ⓘ |
| hasJurisdictionOver |
Major League Baseball teams
ⓘ
surface form:
MLB clubs
MLB executives ⓘ MLB players ⓘ MLB umpires ⓘ |
| headedBy | Commissioner of Baseball ⓘ |
| oversees |
American League
ⓘ
National League ⓘ |
| partOf | Major League Baseball ⓘ |
| responsibleFor |
COVID-19 related policies in MLB
ⓘ
broadcasting policy ⓘ collective bargaining administration ⓘ competitive balance policies ⓘ disciplinary actions ⓘ domestic violence policy enforcement ⓘ drug testing policy enforcement ⓘ enforcement of MLB rules ⓘ franchise relocation approvals ⓘ gambling policy enforcement ⓘ health and safety protocols ⓘ instant replay regulations ⓘ international operations oversight ⓘ labor relations with MLB Players Association ⓘ league operations ⓘ league scheduling oversight ⓘ licensing and merchandising policy ⓘ luxury tax administration ⓘ off-field conduct policies ⓘ on-field regulations ⓘ ownership transfer approvals ⓘ pace-of-play initiatives ⓘ postseason format oversight ⓘ revenue sharing administration ⓘ rule changes approval ⓘ umpire program oversight ⓘ |
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: MLB Commissioner’s Office Description of subject: The MLB Commissioner’s Office is the central governing body of Major League Baseball, responsible for overseeing league operations, enforcing rules and policies, and managing the sport’s business and regulatory affairs.
Referenced by (37)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Office of the Commissioner of Baseball
this entity surface form:
Office of the Commissioner of Baseball
this entity surface form:
Office of the Commissioner of Baseball
subject surface form:
Home Run Derby
this entity surface form:
Office of the Commissioner of Baseball
this entity surface form:
Office of the Commissioner of Baseball
Murphy v. National Collegiate Athletic Association (2018)
→
respondent
→
MLB Commissioner’s Office
ⓘ
subject surface form:
Murphy v. National Collegiate Athletic Association
this entity surface form:
Office of the Commissioner of Baseball
this entity surface form:
Office of the Commissioner of Baseball
this entity surface form:
Office of the Commissioner of Baseball
this entity surface form:
Major League Baseball front office
this entity surface form:
Major League Baseball Commissioner’s Office
this entity surface form:
Major League Baseball league office
this entity surface form:
Office of the Commissioner of Baseball
this entity surface form:
Office of the Commissioner of Baseball
this entity surface form:
Major League Baseball leadership
this entity surface form:
Office of the Commissioner of Baseball
this entity surface form:
MLB umpiring department
subject surface form:
Bud Selig
this entity surface form:
Office of the Commissioner of Baseball
this entity surface form:
Office of the Commissioner of Baseball
this entity surface form:
Major League Baseball Commissioner’s Office
this entity surface form:
Office of the Commissioner of Baseball
this entity surface form:
Office of the Commissioner of Baseball
this entity surface form:
Office of the Commissioner of Baseball
this entity surface form:
Office of the Commissioner of Baseball
this entity surface form:
Office of the Commissioner of Baseball
this entity surface form:
Office of the Commissioner of Baseball
this entity surface form:
Office of the Commissioner of Baseball
this entity surface form:
Office of the Commissioner of Baseball
this entity surface form:
Office of the Commissioner of Baseball
this entity surface form:
Office of the Commissioner of Baseball
subject surface form:
United States
this entity surface form:
Office of the Commissioner of Baseball
this entity surface form:
Office of the Commissioner of Baseball
this entity surface form:
Office of the Commissioner of Baseball
subject surface form:
PASPA was struck down as unconstitutional
this entity surface form:
Office of the Commissioner of Baseball
this entity surface form:
Office of the Commissioner of Baseball