Castillo vs. Mayweather I
E672443
Castillo vs. Mayweather I was a 2002 world lightweight title boxing match between José Luis Castillo and Floyd Mayweather Jr. that became one of Mayweather’s most debated and controversial decision victories.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Castillo vs. Mayweather I canonical | 1 |
| Castillo vs. Mayweather II | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T7537662 — 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: Castillo vs. Mayweather I Context triple: [José Luis Castillo, participatedIn, Castillo vs. Mayweather I]
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A.
Floyd Mayweather Jr. vs. Canelo Álvarez
Floyd Mayweather Jr. vs. Canelo Álvarez was a highly anticipated 2013 boxing superfight in Las Vegas where the undefeated Mayweather outclassed the young rising star Álvarez to win by majority decision and unify junior middleweight titles.
-
B.
Manny Pacquiao vs. Oscar De La Hoya
Manny Pacquiao vs. Oscar De La Hoya was a highly publicized 2008 boxing super-fight in Las Vegas that marked Pacquiao’s dominant rise across weight classes and effectively ended De La Hoya’s career as a top-level fighter.
-
C.
Manny Pacquiao vs. Floyd Mayweather Jr.
Manny Pacquiao vs. Floyd Mayweather Jr. was a highly anticipated 2015 boxing megafight between two of the sport’s greatest pound-for-pound champions, widely billed as the "Fight of the Century."
-
D.
Floyd Mayweather Jr. vs. Conor McGregor
Floyd Mayweather Jr. vs. Conor McGregor was a 2017 crossover boxing match in Las Vegas between undefeated boxing champion Floyd Mayweather Jr. and UFC star Conor McGregor that became one of the most hyped and lucrative fights in combat sports history.
-
E.
Manny Pacquiao vs. Juan Manuel Márquez
Manny Pacquiao vs. Juan Manuel Márquez is a famed boxing rivalry comprising a series of high-level, closely contested bouts between Filipino champion Manny Pacquiao and Mexican great Juan Manuel Márquez, culminating in one of boxing’s most dramatic knockouts.
- 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: Castillo vs. Mayweather I Target entity description: Castillo vs. Mayweather I was a 2002 world lightweight title boxing match between José Luis Castillo and Floyd Mayweather Jr. that became one of Mayweather’s most debated and controversial decision victories.
-
A.
Floyd Mayweather Jr. vs. Canelo Álvarez
Floyd Mayweather Jr. vs. Canelo Álvarez was a highly anticipated 2013 boxing superfight in Las Vegas where the undefeated Mayweather outclassed the young rising star Álvarez to win by majority decision and unify junior middleweight titles.
-
B.
Manny Pacquiao vs. Oscar De La Hoya
Manny Pacquiao vs. Oscar De La Hoya was a highly publicized 2008 boxing super-fight in Las Vegas that marked Pacquiao’s dominant rise across weight classes and effectively ended De La Hoya’s career as a top-level fighter.
-
C.
Manny Pacquiao vs. Floyd Mayweather Jr.
Manny Pacquiao vs. Floyd Mayweather Jr. was a highly anticipated 2015 boxing megafight between two of the sport’s greatest pound-for-pound champions, widely billed as the "Fight of the Century."
-
D.
Floyd Mayweather Jr. vs. Conor McGregor
Floyd Mayweather Jr. vs. Conor McGregor was a 2017 crossover boxing match in Las Vegas between undefeated boxing champion Floyd Mayweather Jr. and UFC star Conor McGregor that became one of the most hyped and lucrative fights in combat sports history.
-
E.
Manny Pacquiao vs. Juan Manuel Márquez
Manny Pacquiao vs. Juan Manuel Márquez is a famed boxing rivalry comprising a series of high-level, closely contested bouts between Filipino champion Manny Pacquiao and Mexican great Juan Manuel Márquez, culminating in one of boxing’s most dramatic knockouts.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
boxing match
ⓘ
professional boxing match ⓘ |
| broadcastOn | HBO Pay-Per-View NERFINISHED ⓘ |
| city |
Las Vegas
NERFINISHED
ⓘ
Paradise, Nevada NERFINISHED ⓘ |
| controversy | many observers believed José Luis Castillo deserved the decision ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| date | 2002-04-20 ⓘ |
| fighter1 | Floyd Mayweather Jr. NERFINISHED ⓘ |
| fighter1Hometown | Grand Rapids, Michigan NERFINISHED ⓘ |
| fighter1Nationality | American ⓘ |
| fighter1Nickname | Pretty Boy NERFINISHED ⓘ |
| fighter1PreFightRecord | 27-0 ⓘ |
| fighter1PreviousDivision | super featherweight ⓘ |
| fighter1Role | challenger for the lightweight title ⓘ |
| fighter1Stance | orthodox ⓘ |
| fighter2 | José Luis Castillo NERFINISHED ⓘ |
| fighter2Hometown | Empalme, Sonora NERFINISHED ⓘ |
| fighter2Nationality | Mexican ⓘ |
| fighter2Nickname | El Temible NERFINISHED ⓘ |
| fighter2PreFightRecord | 45-4-1 ⓘ |
| fighter2Role | defending lightweight champion ⓘ |
| fighter2Stance | orthodox ⓘ |
| governingBody | World Boxing Council NERFINISHED ⓘ |
| judgingMethod | 10-point must system ⓘ |
| legacy | often cited in debates about judging and punch statistics in boxing ⓘ |
| location | MGM Grand Garden Arena NERFINISHED ⓘ |
| loser | José Luis Castillo NERFINISHED ⓘ |
| notableFor | being one of Floyd Mayweather Jr.'s most debated decision victories ⓘ |
| promoter | Top Rank NERFINISHED ⓘ |
| purseContext | featured Mayweather as the higher-paid fighter ⓘ |
| rematch | Castillo vs. Mayweather II NERFINISHED ⓘ |
| result | unanimous decision ⓘ |
| roundsCompleted | 12 ⓘ |
| roundsScheduled | 12 ⓘ |
| significance | Mayweather's first world title fight at lightweight ⓘ |
| sport | boxing ⓘ |
| state | Nevada ⓘ |
| titleOnTheLine |
The Ring lightweight title
ⓘ
WBC lightweight title ⓘ lineal lightweight title ⓘ |
| undercardType | pay-per-view undercard and main event card ⓘ |
| venueType | indoor arena ⓘ |
| weightClass | lightweight ⓘ |
| winner | Floyd Mayweather Jr. NERFINISHED ⓘ |
| year | 2002 ⓘ |
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: Castillo vs. Mayweather I Description of subject: Castillo vs. Mayweather I was a 2002 world lightweight title boxing match between José Luis Castillo and Floyd Mayweather Jr. that became one of Mayweather’s most debated and controversial decision victories.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
José Luis Castillo
subject surface form:
José Luis Castillo
this entity surface form:
Castillo vs. Mayweather II