Major League Baseball teams
E410774
Major League Baseball teams are professional baseball franchises in North America that compete at the highest level of the sport in the American and National Leagues.
All labels observed (7)
| Label | Occurrences |
|---|---|
| Major League Baseball teams canonical | 7 |
| Major League Baseball clubs | 4 |
| American League franchises | 1 |
| American League member clubs | 1 |
| MLB clubs | 1 |
| MLB teams | 1 |
| Major League Baseball franchises | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T4045789 — 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: Major League Baseball teams Context triple: [Grapefruit League, usedBy, Major League Baseball teams]
-
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.
Major League Baseball owners
Major League Baseball owners are individuals or ownership groups that hold controlling financial and operational stakes in MLB franchises, shaping league governance, team management, and the overall direction of professional baseball in North America.
-
C.
National League of Professional Baseball Clubs
The National League of Professional Baseball Clubs is the oldest existing major league in American professional baseball and one of the two leagues that make up Major League Baseball.
-
D.
Major League Baseball venues
Major League Baseball venues are the professional baseball stadiums across the United States and Canada that host MLB teams’ home games and related events.
-
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: Major League Baseball teams Target entity description: Major League Baseball teams are professional baseball franchises in North America that compete at the highest level of the sport in the American and National Leagues.
-
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.
Major League Baseball owners
Major League Baseball owners are individuals or ownership groups that hold controlling financial and operational stakes in MLB franchises, shaping league governance, team management, and the overall direction of professional baseball in North America.
-
C.
National League of Professional Baseball Clubs
The National League of Professional Baseball Clubs is the oldest existing major league in American professional baseball and one of the two leagues that make up Major League Baseball.
-
D.
Major League Baseball venues
Major League Baseball venues are the professional baseball stadiums across the United States and Canada that host MLB teams’ home games and related events.
-
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 (50)
| Predicate | Object |
|---|---|
| instanceOf |
baseball team
ⓘ
professional sports team ⓘ |
| broadcastsOn |
local radio station
ⓘ
regional sports network ⓘ |
| competitionLevel |
highest level of professional baseball in North America
ⓘ
major league ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| draftsFrom |
MLB Draft
ⓘ
surface form:
Major League Baseball Draft
|
| employs |
Major League Baseball player
ⓘ
coaching staff ⓘ front office staff ⓘ general manager ⓘ manager ⓘ |
| foundedBy | franchise owner ⓘ |
| governingBody | Major League Baseball ⓘ |
| hasAffiliation |
Double-A affiliate
ⓘ
High-A affiliate ⓘ Minor League Baseball team ⓘ Single-A affiliate ⓘ Triple-A affiliate ⓘ |
| hasPart |
26-man active roster
ⓘ
40-man roster ⓘ |
| hasRivalryType |
divisional rivalry
ⓘ
geographic rivalry ⓘ interleague rivalry ⓘ |
| hasSeasonType |
postseason
ⓘ
regular season ⓘ |
| homeVenueType |
baseball park
ⓘ
stadium ⓘ |
| league | Major League Baseball ⓘ |
| memberOf | North American professional sports franchise system ⓘ |
| participatesIn |
Division Series
ⓘ
League Championship Series ⓘ Major League Baseball season ⓘ Wild Card Series ⓘ World Series ⓘ |
| playsInLeague |
American League
ⓘ
National League ⓘ |
| region | North America ⓘ |
| regulatedBy | MLB Collective Bargaining Agreement ⓘ |
| revenueSource |
broadcast rights
ⓘ
merchandise sales ⓘ sponsorships ⓘ ticket sales ⓘ |
| rosterLimitRegularSeason | 26 players (standard active roster size in recent seasons) ⓘ |
| rosterLimitSeptember | expanded roster limit (larger than standard active roster) ⓘ |
| seasonGameCount | 162 regular-season games (modern era standard) ⓘ |
| sport | baseball ⓘ |
| subjectTo |
luxury tax
ⓘ
revenue sharing ⓘ |
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: Major League Baseball teams Description of subject: Major League Baseball teams are professional baseball franchises in North America that compete at the highest level of the sport in the American and National Leagues.
Referenced by (16)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Major League Baseball clubs
this entity surface form:
Major League Baseball clubs
this entity surface form:
American League franchises
this entity surface form:
MLB teams
this entity surface form:
Major League Baseball clubs
this entity surface form:
MLB clubs
this entity surface form:
Major League Baseball clubs
this entity surface form:
American League member clubs
subject surface form:
Brooklyn Bushwicks
this entity surface form:
Major League Baseball franchises