1981 MLB strike
E28660
The 1981 MLB strike was a midseason work stoppage by Major League Baseball players that halted the season for nearly two months over disputes about free agency and player compensation.
All labels observed (2)
| Label | Occurrences |
|---|---|
| 1981 MLB strike canonical | 1 |
| 1981 Major League Baseball strike | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T221925 — 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: 1981 MLB strike Context triple: [Major League Baseball Players Association, hasOrganized, 1981 MLB strike]
-
A.
1972 MLB strike
The 1972 MLB strike was the first players' strike in Major League Baseball history, resulting in the cancellation of regular-season games over a labor dispute between players and team owners.
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B.
1989 World Series
The 1989 World Series was a Major League Baseball championship between the Oakland Athletics and the San Francisco Giants that became infamous for being interrupted by a powerful earthquake in the San Francisco Bay Area.
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C.
1983 World Series
The 1983 World Series was Major League Baseball's championship series between the Baltimore Orioles and the Philadelphia Phillies, ultimately won by the Orioles in five games.
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D.
1980 World Series
The 1980 World Series was Major League Baseball’s championship series in which the Philadelphia Phillies defeated the Kansas City Royals to win the first World Series title in franchise history.
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E.
MLB Collective Bargaining Agreement
The MLB Collective Bargaining Agreement is the labor contract between Major League Baseball team owners and the players’ union that sets the rules for player employment, compensation, and key league mechanisms such as free agency, arbitration, and the draft.
- 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: 1981 MLB strike Target entity description: The 1981 MLB strike was a midseason work stoppage by Major League Baseball players that halted the season for nearly two months over disputes about free agency and player compensation.
-
A.
1972 MLB strike
The 1972 MLB strike was the first players' strike in Major League Baseball history, resulting in the cancellation of regular-season games over a labor dispute between players and team owners.
-
B.
1989 World Series
The 1989 World Series was a Major League Baseball championship between the Oakland Athletics and the San Francisco Giants that became infamous for being interrupted by a powerful earthquake in the San Francisco Bay Area.
-
C.
1983 World Series
The 1983 World Series was Major League Baseball's championship series between the Baltimore Orioles and the Philadelphia Phillies, ultimately won by the Orioles in five games.
-
D.
1980 World Series
The 1980 World Series was Major League Baseball’s championship series in which the Philadelphia Phillies defeated the Kansas City Royals to win the first World Series title in franchise history.
-
E.
MLB Collective Bargaining Agreement
The MLB Collective Bargaining Agreement is the labor contract between Major League Baseball team owners and the players’ union that sets the rules for player employment, compensation, and key league mechanisms such as free agency, arbitration, and the draft.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
Major League Baseball strike
ⓘ
labor dispute ⓘ work stoppage ⓘ |
| affectedCompetitionFormat | 1981 MLB postseason ⓘ |
| alsoKnownAs |
1981 MLB strike
ⓘ
surface form:
1981 Major League Baseball strike
|
| approximateGamesPerTeamIn1981 | about 107 ⓘ |
| category |
1981 in baseball
ⓘ
1981 labor disputes and strikes ⓘ Baseball labor disputes ⓘ |
| cause |
dispute over free agency compensation
ⓘ
dispute over player compensation ⓘ |
| collectiveBargainingAgreementInvolved |
MLB Collective Bargaining Agreement
ⓘ
surface form:
Major League Baseball collective bargaining agreement
|
| commissionerAtTime | Bowie Kuhn ⓘ |
| compromiseFeature | re-entry draft type compensation pool ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| duration | 50 days ⓘ |
| endDate | 1981-07-31 ⓘ |
| followedBy | 1985 MLB strike ⓘ |
| governingBodyInvolved |
MLB Commissioner’s Office
ⓘ
surface form:
Office of the Commissioner of Baseball
|
| impact |
altered playoff qualification in 1981
ⓘ
reduced total number of games per team in 1981 season ⓘ |
| issue |
compensation for teams losing free agents
ⓘ
owners’ demand for direct player compensation ⓘ |
| laborOrganization | Major League Baseball Players Association ⓘ |
| leadOwnersRepresentative | Ray Grebey ⓘ |
| leadUnionFigure |
Ken Moffett
ⓘ
Marvin Miller ⓘ |
| leagueAffected |
American League
ⓘ
National League ⓘ |
| notableConsequence |
Cincinnati Reds missed playoffs despite best overall record in 1981
ⓘ
St. Louis Cardinals missed playoffs despite best overall record in their division ⓘ |
| numberOfGamesCancelled | 713 ⓘ |
| opposedBy | Major League Baseball team owners ⓘ |
| organizedBy | Major League Baseball Players Association ⓘ |
| ownersOrganization | Major League Baseball ⓘ |
| playoffFormatChange | split-season divisional winners qualified for playoffs ⓘ |
| precededBy | 1972 MLB strike ⓘ |
| result |
cancellation of regular-season games
ⓘ
financial losses for teams and players ⓘ introduction of free agent compensation pool ⓘ split-season format in 1981 MLB season ⓘ |
| seasonAffected | 1981 Major League Baseball season ⓘ |
| sport | Major League Baseball ⓘ |
| startDate | 1981-06-12 ⓘ |
| timePeriod | 1981 ⓘ |
| typeOfDispute | free agent compensation system ⓘ |
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: 1981 MLB strike Description of subject: The 1981 MLB strike was a midseason work stoppage by Major League Baseball players that halted the season for nearly two months over disputes about free agency and player compensation.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
1981 Major League Baseball strike