NPB's Umpire Evaluation System - Judging the Judges Behind the Scenes
Explaining how NPB umpires are evaluated and improve their skills through technology and institutional frameworks.
Articles tagged with officiating
The Gesture Language of Umpires - Meaning and History Behind Calls
Even a single strike call varies between umpires. This article introduces the meaning of NPB umpire gestures, their historical evolution, and famous umpires known for distinctive calls.
The History of the Umpire System - Evolution and Challenges of Officiating in NPB
An analysis of the history and evolution of the umpire system in NPB. This article examines umpire training systems, the evolution of officiating technology, the introduction of replay review, and debates over balancing umpire authority with player rights.
What is 'Jampire' - The Truth Behind Pro-Yomiuri Umpiring Bias and Officiating Fairness
Jampire is a fan-coined term referring to umpires perceived as making calls favoring the Yomiuri Giants. This article examines the origins of the term, specific controversial calls, structural issues surrounding umpire fairness, and changes following the introduction of replay review.