MLB Umpire Manual
E592690
Major League Baseball publication
baseball officiating manual
professional umpire mechanics guide
sports officiating rulebook
The MLB Umpire Manual is the official guidebook that standardizes rules interpretations, mechanics, and on-field procedures for Major League Baseball umpires.
All labels observed (2)
| Label | Occurrences |
|---|---|
| MLB Umpire Manual canonical | 1 |
| supplements the Official Baseball Rules | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T6438396 — 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: MLB Umpire Manual Context triple: [Major League Baseball umpires, follows, MLB Umpire Manual]
-
A.
Official Baseball Rules
The Official Baseball Rules is the formal rulebook that defines how professional baseball is played and officiated in Major League Baseball.
-
B.
Major League Baseball umpires
Major League Baseball umpires are the professional officials responsible for enforcing the rules, making judgment calls on plays, and maintaining order during MLB games.
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C.
Major League Baseball Rules Committee
The Major League Baseball Rules Committee is the governing body responsible for reviewing, interpreting, and revising the official rules that regulate professional baseball in Major League Baseball.
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D.
The Umpire
The Umpire is the official in a baseball or softball game responsible for enforcing the rules, making judgment calls on plays, and managing the flow of the game.
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E.
Major League Baseball official scorers
Major League Baseball official scorers are designated officials responsible for recording and interpreting the statistical outcomes of plays during professional baseball games.
- 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: MLB Umpire Manual Target entity description: The MLB Umpire Manual is the official guidebook that standardizes rules interpretations, mechanics, and on-field procedures for Major League Baseball umpires.
-
A.
Official Baseball Rules
The Official Baseball Rules is the formal rulebook that defines how professional baseball is played and officiated in Major League Baseball.
-
B.
Major League Baseball umpires
Major League Baseball umpires are the professional officials responsible for enforcing the rules, making judgment calls on plays, and maintaining order during MLB games.
-
C.
Major League Baseball Rules Committee
The Major League Baseball Rules Committee is the governing body responsible for reviewing, interpreting, and revising the official rules that regulate professional baseball in Major League Baseball.
-
D.
The Umpire
The Umpire is the official in a baseball or softball game responsible for enforcing the rules, making judgment calls on plays, and managing the flow of the game.
-
E.
Major League Baseball official scorers
Major League Baseball official scorers are designated officials responsible for recording and interpreting the statistical outcomes of plays during professional baseball games.
- F. None of above. chosen
Statements (51)
| Predicate | Object |
|---|---|
| instanceOf |
Major League Baseball publication
ⓘ
baseball officiating manual ⓘ professional umpire mechanics guide ⓘ sports officiating rulebook ⓘ |
| appliesTo |
MLB on-field procedures
ⓘ
MLB umpires ⓘ Major League Baseball games ⓘ |
| authorityStatus | official interpretation guide for MLB umpires ⓘ |
| clarifies |
interpretations of the Official Baseball Rules
ⓘ
situational rulings not explicitly detailed in the Official Baseball Rules ⓘ |
| countryOfUse |
Canada
ⓘ
United States ⓘ
linked to:
United States of America
|
| describes |
appeal play mechanics
ⓘ
balk interpretation guidelines ⓘ base awards and runner placement procedures ⓘ check-swing judgment guidelines ⓘ crew consultation and conference procedures ⓘ ejection and discipline procedures for umpires ⓘ fair and foul ball coverage procedures ⓘ game suspension and resumption procedures ⓘ ground-rule double and boundary rulings procedures ⓘ home run and fan interference procedures ⓘ instant replay review procedures in MLB ⓘ interference and obstruction interpretations ⓘ lineup card and substitution procedures ⓘ mound visit and pitching change procedures ⓘ plate meeting procedures ⓘ protest and rules-check procedures ⓘ rain delay and field condition procedures ⓘ rotation and coverage responsibilities for umpires ⓘ tag-up and appeal play procedures ⓘ time play and scoring procedures ⓘ umpire positioning mechanics ⓘ |
| governingBody | Major League Baseball ⓘ |
| language | English ⓘ |
| primaryAudience | Major League Baseball umpires ⓘ |
| publisher |
MLB Umpiring Department
ⓘ
Major League Baseball ⓘ |
| purpose |
provide official guidance on application of Official Baseball Rules
ⓘ
standardize on-field procedures in Major League Baseball ⓘ standardize rules interpretations in Major League Baseball ⓘ standardize umpire mechanics in Major League Baseball ⓘ |
| relationship |
does not replace the Official Baseball Rules as the primary rules code
ⓘ
supplements the Official Baseball Rules ⓘ
linked to:
MLB Umpire Manual
|
| secondaryAudience |
MLB league officials
ⓘ
professional baseball rules interpreters ⓘ |
| sport | baseball ⓘ |
| updatedBy |
Major League Baseball Umpiring Department
ⓘ
linked to:
MLB Umpiring Department
|
| updateFrequency | periodically ⓘ |
| usedFor |
evaluation of umpire performance against standard mechanics
ⓘ
training of MLB umpires ⓘ |
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: MLB Umpire Manual Description of subject: The MLB Umpire Manual is the official guidebook that standardizes rules interpretations, mechanics, and on-field procedures for Major League Baseball umpires.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: MLB Umpire Manual