While MLB has a lineage of knuckleballers, NPB has virtually none. This article analyzes why the knuckleball never took root in Japan from technical and cultural perspectives.
Examining whether NPB can produce successors to Ohtani's two-way path through institutional and developmental analysis.
An analysis of park factors across NPB stadiums, examining how ballpark characteristics affect batting and pitching performance. This article compares features of major venues including Tokyo Dome, Koshien, and Jingu Stadium.
Analyzing the Chunichi Dragons' pitcher development system that produced aces like Kazuki Yoshimi, Takuya Asao, and Yuudai Ono, examining draft strategy, farm facilities, and coaching philosophy.
Triggered by pitch count limits in high school baseball, NPB is debating pitcher workload management. This article analyzes scientifically appropriate pitch counts, Japan-US management philosophy differences, and tactical impacts.
How do pitchers perform in their next start after allowing many runs? This article analyzes revenge start success rates and pitcher mental recovery from NPB data.
On April 7, 2026, Hiroto Saiki struck out 16 batters in 8 innings on 105 pitches, tying the Central League record. Using official NPB box score data, this article analyzes his batter-by-batter strikeout patterns, zero-walk efficiency against 29 batters faced, and what the numbers reveal about his dominance.
Tracing the lineage of submarine pitchers in NPB, from Hisashi Yamada's 284 career wins to Shunsuke Watanabe's 50cm release point and Kazuhisa Makita's MLB challenge, examining the mechanics and decline of underhand pitching.
An in-depth analysis of the hanshin pitching dynasty - why tiger arms drive championships, exploring origins of the pitching dynasty and sustaining the pitch..
Examining hanshin tigers pitching history - the ace lineage and evolution of a pitching kingdom in depth, covering showa-era aces - murayama and enatsu throu..
NPB pitching evolved from 1950s complete-game aces to modern specialization. This traces how velocity increases, pitch diversity, and data analytics accelerated the transformation.
The relief pitcher's warm-up area is called a 'bullpen,' literally a 'bull's enclosure.' Why? Three competing theories involving tobacco ads, bullfighting, and prison cells offer possible answers.
Only 16 perfect games have been thrown in NPB history. Retiring 27 consecutive batters without allowing a single baserunner requires an extraordinary convergence of pitching dominance, defensive perfection, and sheer luck. This article quantifies just how improbable that convergence is.
The winning pitcher must pitch at least five innings. But this rule distributes wins without regard to actual contribution. A starter can earn a win after allowing 10 runs in five innings while another gets nothing for 4.2 scoreless innings.
In NPB, the number 18 carries a weight that no uniform number does in MLB. It is the ace's number, a designation loaded with expectation and tradition. This article traces how the convention emerged and examines the lineage of number 18 across all 12 franchises.
The balk is baseball's least understood rule. The Official Baseball Rules list 13 balk conditions, yet interpretation varies by umpire and even players struggle to explain them. Why is the balk so ambiguous?
Baseball is a treasure trove of physics. This article explains the science behind breaking balls, sweet spot mechanics, and optimal home run launch angles, using professional baseball as a gateway to scientific thinking.
NPB has long regulated pitching motions branded as 'double motion,' a topic of debate for over 30 years involving phases of stricter and looser enforcement. The rule aims to prevent unnatural deceptive deliveries but has wrestled with ambiguous adjudication and conflicts with international standards. The 2006 tightening and the 2011 liberalization marked major turning points. We trace the history of NPB pitching-motion regulation through controversy and globalization.