Strategic Use of the Disabled List - The Tactics of Registration and Removal
Analyzes strategic roster management in NPB, examining disabled list system evolution, tactical registration manipulation, and psychological impacts on players.
Articles tagged with roster
When NPB Had Players with Identical Names on the Same Roster - The Confusion and Creativity Born from Coincidence
NPB history includes rare instances of players with identical names on the same team. How did teams handle scoreboard displays, record-keeping, and fan confusion when names collided?
The Mystery of Numbers 0 and 00 - The Lineage of Players Who Wear Zero in NPB
NPB allows players to wear numbers 0 and 00, treating them as distinct uniform numbers. Why does zero exist in a numbering system that typically starts at one, and what motivates players to choose it?
The Development Contract Trap - Dreaming of Roster Spots on Minimum Guaranteed Salary
The development player system introduced in 2005 opened professional baseball's doors to many young players. However, problems exist in the 2.4 million yen minimum salary, the narrow path to roster registration, and the structure of being used as cheap labor under the name of 'development.'
The Cruel Role of the Mop-Up Pitcher - The Reality of Throwing in a Lost Cause
Someone has to pitch when the team is down by seven runs. The mop-up pitcher's role never leads to victory yet remains operationally essential. Why does this cruel position exist, and what is it like to pitch in a lost cause?
NPB's Foreign Player Quota - How Import Strategies Shape Pennant Races
A comprehensive look at npb's foreign player quota - how import strategies shape pennant races, from evolution of the foreign player quota to the quota expan..
Evolution of NPB Roster Limits - How the Expansion from 25 to 31 Active Players Reshaped Lineup Tactics
NPB's active roster has long operated under a 28-player registration cap (with 25 players permitted to dress for a game). After the 2020 COVID-19 pandemic prompted balancing infection control with game operation, the cap expanded, and a 31-player roster has now taken hold. This evolution has reshaped bench tactics, the deployment of development-contract players, and the interplay with the farm system. We trace NPB's roster history from the regulatory side.