NPB teams now quantify and analyze player sleep data. Wearable devices measure sleep duration, deep-sleep ratio, and heart rate variability, feeding into conditioning programs. As medical science shows that sleep loss directly impairs game performance, we examine the new management baseline wearables bring to NPB and the operational challenges that follow.
Every NPB team has an analytics department, but their inner workings remain largely unknown. This article reveals what they do, how they influence the field, and the tensions between data and tradition.
Tracing the story of data anatomy of giants vs. tigers - 90 years of traditional rivalry in numbers, from complete head-to-head record to the rivalry's future.
While sabermetrics transformed MLB team management in the early 2000s, NPB long neglected data analytics. This article examines the delays caused by the mentality that 'baseball isn't about numbers,' veteran scouts' experience-first ideology, and underinvestment in analytics departments.
A detailed exploration of inside team analytics departments - when data transforms managerial decisions, spanning birth of analytics departments to analytics..
How sabermetrics transformed NPB: the adoption of OPS, WAR, and UZR, and their impact on Japanese baseball strategy, player evaluation, and draft decisions.
Charting the evolution of baseball data visualization in NPB from 1990s scoreboard innovations through TrackMan and Hawk-Eye adoption to real-time 3D pitch trajectory displays, examining the dual impact on fan experience and tactical analysis
Data-driven defensive shifts exploded in MLB before being regulated in 2023. NPB's shift adoption has its own characteristics. This article traces shift evolution and its transformation of baseball.