Felix Hernandez
E117229
Félix Hernández is a Venezuelan former Major League Baseball pitcher renowned for his dominant tenure with the Seattle Mariners, highlighted by a Cy Young Award and a perfect game.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Felix Hernandez canonical | 3 |
| Félix Abraham Hernández | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T980626 — 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: Felix Hernandez Context triple: [Seattle Mariners, notablePlayer, Felix Hernandez]
-
A.
Roy Halladay
Roy Halladay was an American Major League Baseball pitcher and two-time Cy Young Award winner renowned for his dominance with the Toronto Blue Jays and Philadelphia Phillies, including throwing a postseason no-hitter.
-
B.
Cliff Lee
Cliff Lee is an American former Major League Baseball left-handed pitcher best known for his dominant control, Cy Young Award-winning 2008 season, and standout postseason performances.
-
C.
Madison Bumgarner
Madison Bumgarner is an American left-handed pitcher best known for his dominant postseason performances with the San Francisco Giants, where he became one of the most celebrated clutch pitchers in modern baseball history.
-
D.
Cole Hamels
Cole Hamels is an American left-handed pitcher best known for starring with the Philadelphia Phillies, including winning the 2008 World Series MVP.
-
E.
Derek Lowe
Derek Lowe is a former Major League Baseball pitcher best known for his key role in the Boston Red Sox’s early-2000s success, including their historic 2004 postseason run.
- 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: Felix Hernandez Target entity description: Félix Hernández is a Venezuelan former Major League Baseball pitcher renowned for his dominant tenure with the Seattle Mariners, highlighted by a Cy Young Award and a perfect game.
-
A.
Roy Halladay
Roy Halladay was an American Major League Baseball pitcher and two-time Cy Young Award winner renowned for his dominance with the Toronto Blue Jays and Philadelphia Phillies, including throwing a postseason no-hitter.
-
B.
Cliff Lee
Cliff Lee is an American former Major League Baseball left-handed pitcher best known for his dominant control, Cy Young Award-winning 2008 season, and standout postseason performances.
-
C.
Madison Bumgarner
Madison Bumgarner is an American left-handed pitcher best known for his dominant postseason performances with the San Francisco Giants, where he became one of the most celebrated clutch pitchers in modern baseball history.
-
D.
Cole Hamels
Cole Hamels is an American left-handed pitcher best known for starring with the Philadelphia Phillies, including winning the 2008 World Series MVP.
-
E.
Derek Lowe
Derek Lowe is a former Major League Baseball pitcher best known for his key role in the Boston Red Sox’s early-2000s success, including their historic 2004 postseason run.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
baseball player
ⓘ
human ⓘ pitcher ⓘ |
| allStarSelections | 6 ⓘ |
| awardReceived |
American League Cy Young Award
ⓘ
linked to:
Cy Young Award
MLB All-Star selection ⓘ
linked to:
MLB All-Star
|
| bats | right ⓘ |
| careerERA | 3.42 ⓘ |
| careerStrikeouts | 2524 ⓘ |
| countryOfCitizenship | Venezuela ⓘ |
| CyYoungAward |
2010 American League Cy Young Award
ⓘ
linked to:
Cy Young Award
|
| dateOfBirth | 1986-04-08 ⓘ |
| eraTitle | American League ERA leader 2010 ⓘ |
| familyName | Hernández ⓘ |
| finalMLBGameDate | 2019-09-26 ⓘ |
| finalMLBTeam | Seattle Mariners ⓘ |
| fullName |
Félix Abraham Hernández
ⓘ
linked to:
Felix Hernandez
|
| givenName |
Félix
ⓘ
linked to:
Felix
|
| hallOfFameEligibility | not yet inducted into National Baseball Hall of Fame as of 2024 ⓘ |
| jerseyNumber | 34 ⓘ |
| league | Major League Baseball ⓘ |
| minorLeagueTeam |
Everett AquaSox
ⓘ
San Antonio Missions ⓘ Tacoma Rainiers ⓘ Wisconsin Timber Rattlers ⓘ |
| MLBDebutDate | 2005-08-04 ⓘ |
| MLBDebutTeam | Seattle Mariners ⓘ |
| nickname | King Félix ⓘ |
| notableAchievement |
pitched the first perfect game in Seattle Mariners history
ⓘ
youngest pitcher to reach 1,000 strikeouts in Seattle Mariners history ⓘ |
| perfectGameOpponent | Tampa Bay Rays ⓘ |
| perfectGameScore | 1–0 ⓘ |
| placeOfBirth |
Valencia, Venezuela
ⓘ
linked to:
Valencia, Carabobo, Venezuela
|
| playedFor | Seattle Mariners ⓘ |
| positionPlayed | starting pitcher ⓘ |
| retiredFrom | Major League Baseball ⓘ |
| retirementStatus | former professional baseball pitcher ⓘ |
| signedAs | international free agent ⓘ |
| signedByTeam | Seattle Mariners ⓘ |
| signedYear | 2002 ⓘ |
| sport | baseball ⓘ |
| team | Seattle Mariners ⓘ |
| teamRecord |
most innings pitched in Seattle Mariners history
ⓘ
most strikeouts in Seattle Mariners history ⓘ |
| threwPerfectGame | 2012-08-15 ⓘ |
| throws | right ⓘ |
| winLossRecord | 169–136 ⓘ |
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: Felix Hernandez Description of subject: Félix Hernández is a Venezuelan former Major League Baseball pitcher renowned for his dominant tenure with the Seattle Mariners, highlighted by a Cy Young Award and a perfect game.
Referenced by (4)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Felix Hernandez