Steroid era of Major League Baseball
E271503
The Steroid era of Major League Baseball refers to the period from the late 1980s through the mid-2000s marked by widespread performance-enhancing drug use, inflated offensive statistics, and subsequent scandals and reforms that reshaped the sport’s policies and public perception.
All labels observed (2)
| Label | Occurrences |
|---|---|
| BALCO scandal | 1 |
| Steroid era of Major League Baseball canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T2482783 — 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: Steroid era of Major League Baseball Context triple: [Ken Griffey Jr., era, Steroid era of Major League Baseball]
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A.
For the Good of the Game: The Inside Story of the Surprising and Dramatic Transformation of Major League Baseball
"For the Good of the Game: The Inside Story of the Surprising and Dramatic Transformation of Major League Baseball" is a memoir by former MLB commissioner Bud Selig that chronicles the league’s modern evolution, controversies, and reforms from his insider perspective.
-
B.
Major League Baseball drug prevention and treatment program
The Major League Baseball drug prevention and treatment program is MLB’s comprehensive policy framework for testing, deterring, and addressing the use of performance-enhancing and other prohibited substances by players.
-
C.
Curse of the Bambino
Curse of the Bambino is the popular superstition that blamed the Boston Red Sox’s 86-year World Series championship drought on their 1919 sale of Babe Ruth to the New York Yankees.
-
D.
Major League
Major League is a 1989 sports comedy film about a ragtag Cleveland Indians baseball team that unexpectedly becomes competitive despite its owner's attempts to make it fail.
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E.
1919 Black Sox Scandal
The 1919 Black Sox Scandal was a notorious Major League Baseball game-fixing scheme in which several Chicago White Sox players conspired with gamblers to intentionally lose the World Series.
- 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: Steroid era of Major League Baseball Target entity description: The Steroid era of Major League Baseball refers to the period from the late 1980s through the mid-2000s marked by widespread performance-enhancing drug use, inflated offensive statistics, and subsequent scandals and reforms that reshaped the sport’s policies and public perception.
-
A.
For the Good of the Game: The Inside Story of the Surprising and Dramatic Transformation of Major League Baseball
"For the Good of the Game: The Inside Story of the Surprising and Dramatic Transformation of Major League Baseball" is a memoir by former MLB commissioner Bud Selig that chronicles the league’s modern evolution, controversies, and reforms from his insider perspective.
-
B.
Major League Baseball drug prevention and treatment program
The Major League Baseball drug prevention and treatment program is MLB’s comprehensive policy framework for testing, deterring, and addressing the use of performance-enhancing and other prohibited substances by players.
-
C.
Curse of the Bambino
Curse of the Bambino is the popular superstition that blamed the Boston Red Sox’s 86-year World Series championship drought on their 1919 sale of Babe Ruth to the New York Yankees.
-
D.
Major League
Major League is a 1989 sports comedy film about a ragtag Cleveland Indians baseball team that unexpectedly becomes competitive despite its owner's attempts to make it fail.
-
E.
1919 Black Sox Scandal
The 1919 Black Sox Scandal was a notorious Major League Baseball game-fixing scheme in which several Chicago White Sox players conspired with gamblers to intentionally lose the World Series.
- F. None of above. chosen
Statements (51)
| Predicate | Object |
|---|---|
| instanceOf |
era of Major League Baseball
ⓘ
historical era in sports ⓘ |
| associatedWith |
Alex Rodriguez
ⓘ
BALCO doping scandal ⓘ
surface form:
BALCO scandal
Barry Bonds ⓘ Biogenesis scandal ⓘ Jason Giambi ⓘ Jose Canseco ⓘ Ken Caminiti ⓘ Mark McGwire ⓘ Mitchell Report on performance-enhancing drugs in Major League Baseball (2007) ⓘ
surface form:
Mitchell Report
Rafael Palmeiro ⓘ Roger Clemens ⓘ Sammy Sosa ⓘ anabolic steroids ⓘ congressional hearings on baseball steroids ⓘ human growth hormone ⓘ performance-enhancing drugs ⓘ testosterone-based substances ⓘ |
| causeOf |
BBWAA voting
ⓘ
surface form:
Hall of Fame voting controversies
debates over legitimacy of records ⓘ erosion of public trust in MLB statistics ⓘ implementation of amphetamine testing in MLB ⓘ implementation of steroid testing in MLB ⓘ reforms to MLB drug policy ⓘ stricter penalties for PED use in MLB ⓘ |
| characterizedBy |
changes in drug testing policies
ⓘ
congressional scrutiny ⓘ home run surge ⓘ inflated offensive statistics ⓘ league-wide offensive boom ⓘ power hitting emphasis ⓘ public controversy ⓘ scandals involving performance-enhancing drugs ⓘ widespread performance-enhancing drug use ⓘ |
| country |
United States of America
ⓘ
surface form:
United States
|
| endPeriod | mid-2000s ⓘ |
| hasContext |
1994–95 MLB strike aftermath
ⓘ
career home run record chase ⓘ home run race of 1998 ⓘ post-strike attendance concerns ⓘ single-season home run record chase ⓘ |
| league | Major League Baseball ⓘ |
| ledTo |
MLB random drug testing
ⓘ
creation of MLB Joint Drug Prevention and Treatment Program ⓘ public release of Mitchell Report in 2007 ⓘ |
| perception |
era of diminished statistical comparability
ⓘ
era of tainted records ⓘ morally controversial period in MLB history ⓘ |
| sport | baseball ⓘ |
| startPeriod | late 1980s ⓘ |
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: Steroid era of Major League Baseball Description of subject: The Steroid era of Major League Baseball refers to the period from the late 1980s through the mid-2000s marked by widespread performance-enhancing drug use, inflated offensive statistics, and subsequent scandals and reforms that reshaped the sport’s policies and public perception.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
BALCO scandal