Marvin Hagler vs. Sugar Ray Leonard
E547290
"Marvin Hagler vs. Sugar Ray Leonard" is the legendary 1987 middleweight boxing championship bout widely remembered for its high skill level, controversy over the judges’ decision, and its impact on both fighters’ legacies.
All labels observed (5)
How this entity was disambiguated
This entity first appeared as the object of triple T5732888 — 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: Marvin Hagler vs. Sugar Ray Leonard Context triple: [Marvin Hagler, notableFight, Marvin Hagler vs. Sugar Ray Leonard]
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A.
Marvin Hagler vs. Roberto Durán
Marvin Hagler vs. Roberto Durán was a 1983 middleweight boxing title bout in which champion Marvelous Marvin Hagler defended his crown against legendary lightweight great Roberto Durán in a highly anticipated clash of all-time greats.
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B.
Marvin Hagler vs. Thomas Hearns
"Marvin Hagler vs. Thomas Hearns" is a legendary 1985 middleweight boxing match, widely regarded as one of the most explosive and action-packed fights in boxing history.
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C.
Evander Holyfield vs. George Foreman
Evander Holyfield vs. George Foreman was a 1991 heavyweight boxing title fight in which the young champion Holyfield defended his crown against the comebacking former champion Foreman in a highly publicized generational showdown.
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D.
Muhammad Ali vs. George Foreman
Muhammad Ali vs. George Foreman, known as "The Rumble in the Jungle," was the legendary 1974 heavyweight boxing match in Zaire where Ali regained the world title with his famous "rope-a-dope" strategy.
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E.
Muhammad Ali vs. Joe Frazier trilogy
The Muhammad Ali vs. Joe Frazier trilogy is the legendary three-fight boxing rivalry between heavyweight champions Muhammad Ali and Joe Frazier, widely regarded as one of the greatest series in sports history.
- 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: Marvin Hagler vs. Sugar Ray Leonard Target entity description: "Marvin Hagler vs. Sugar Ray Leonard" is the legendary 1987 middleweight boxing championship bout widely remembered for its high skill level, controversy over the judges’ decision, and its impact on both fighters’ legacies.
-
A.
Marvin Hagler vs. Roberto Durán
Marvin Hagler vs. Roberto Durán was a 1983 middleweight boxing title bout in which champion Marvelous Marvin Hagler defended his crown against legendary lightweight great Roberto Durán in a highly anticipated clash of all-time greats.
-
B.
Marvin Hagler vs. Thomas Hearns
"Marvin Hagler vs. Thomas Hearns" is a legendary 1985 middleweight boxing match, widely regarded as one of the most explosive and action-packed fights in boxing history.
-
C.
Evander Holyfield vs. George Foreman
Evander Holyfield vs. George Foreman was a 1991 heavyweight boxing title fight in which the young champion Holyfield defended his crown against the comebacking former champion Foreman in a highly publicized generational showdown.
-
D.
Muhammad Ali vs. George Foreman
Muhammad Ali vs. George Foreman, known as "The Rumble in the Jungle," was the legendary 1974 heavyweight boxing match in Zaire where Ali regained the world title with his famous "rope-a-dope" strategy.
-
E.
Muhammad Ali vs. Joe Frazier trilogy
The Muhammad Ali vs. Joe Frazier trilogy is the legendary three-fight boxing rivalry between heavyweight champions Muhammad Ali and Joe Frazier, widely regarded as one of the greatest series in sports history.
- F. None of above. chosen
Statements (45)
| Predicate | Object |
|---|---|
| instanceOf |
boxing match
ⓘ
professional sports event ⓘ |
| alsoKnownAs | The Super Fight ⓘ |
| broadcastNetwork | HBO ⓘ |
| broadcastType | pay-per-view ⓘ |
| challengerEnteringBout | Sugar Ray Leonard ⓘ |
| championEnteringBout |
Marvelous Marvin Hagler
ⓘ
linked to:
Marvin Hagler
|
| city | Paradise, Nevada ⓘ |
| controversy | many observers believed Marvin Hagler deserved the decision ⓘ |
| country |
United States
ⓘ
linked to:
United States of America
|
| date | 1987-04-06 ⓘ |
| decisionType | split decision ⓘ |
| era | 1980s boxing ⓘ |
| fighter1 |
Marvelous Marvin Hagler
ⓘ
linked to:
Marvin Hagler
|
| fighter2 | Sugar Ray Leonard ⓘ |
| judge |
Dave Moretti
ⓘ
José Juan Guerra ⓘ Lou Filippo ⓘ |
| legacy |
considered one of the most debated decisions in boxing history
ⓘ
regarded as a classic middleweight championship bout ⓘ |
| location | Caesars Palace ⓘ |
| loser |
Marvelous Marvin Hagler
ⓘ
linked to:
Marvin Hagler
|
| nearCity | Las Vegas, Nevada ⓘ |
| nickname | The Super Fight ⓘ |
| notableFor |
controversial judges’ decision
ⓘ
high skill level ⓘ impact on both fighters’ legacies ⓘ |
| numberOfRounds | 12 ⓘ |
| postFightConsequence |
Marvin Hagler never fought professionally again
ⓘ
Sugar Ray Leonard became WBC middleweight champion ⓘ
linked to:
Sugar Ray Leonard
|
| promoter | Bob Arum ⓘ |
| promotionalCompany | Top Rank ⓘ |
| referee | Richard Steele ⓘ |
| result | Sugar Ray Leonard defeated Marvin Hagler by split decision ⓘ |
| scorecard |
Judge Dave Moretti scored the bout for Leonard
ⓘ
linked to:
Marvin Hagler vs. Sugar Ray Leonard
Judge José Juan Guerra scored the bout widely for Leonard ⓘ
linked to:
Marvin Hagler vs. Sugar Ray Leonard
Judge Lou Filippo scored the bout for Hagler ⓘ
linked to:
Hagler
|
| sport | boxing ⓘ |
| titleOnTheLine |
The Ring middleweight title
ⓘ
WBC middleweight title ⓘ lineal middleweight title ⓘ |
| weightClass | middleweight ⓘ |
| wentTheDistance | true ⓘ |
| winner | Sugar Ray Leonard ⓘ |
| year | 1987 ⓘ |
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: Marvin Hagler vs. Sugar Ray Leonard Description of subject: "Marvin Hagler vs. Sugar Ray Leonard" is the legendary 1987 middleweight boxing championship bout widely remembered for its high skill level, controversy over the judges’ decision, and its impact on both fighters’ legacies.
Referenced by (5)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Marvin Hagler vs. Sugar Ray Leonard
Marvin Hagler vs. Sugar Ray Leonard
→
scorecard
→
Judge José Juan Guerra scored the bout widely for Leonard
ⓘ
linked to: Marvin Hagler vs. Sugar Ray Leonard
linked to: Marvin Hagler vs. Sugar Ray Leonard
linked to: Marvin Hagler vs. Sugar Ray Leonard