NPB: A Deep Dive into Japan’s Professional Baseball League

Nippon Professional Baseball (NPB) stands as the highest level of professional baseball in Japan. Often called Puro Yakyū (Professional Baseball) within Japan, it’s known internationally as Japanese baseball.

A League Rooted in History

The origins of NPB can be traced back to 1934 with the formation of the Greater Japan Tokyo Baseball Club. The Japanese Baseball League (JBL), the first professional circuit in Japan, followed in 1936 and continued even during World War II. The modern NPB structure emerged in 1950 with the reorganization of the JBL into two distinct leagues.

Structure: Central and Pacific Leagues

NPB currently comprises twelve teams equally divided between the Central League and the Pacific League. This format has been largely consistent since 1957. The two leagues compete annually, culminating in the Japan Series championship playoff.

Dominance and Championship History

The Yomiuri Giants hold the record for the most titles with 22 championships. Currently, the Fukuoka SoftBank Hawks are the reigning champions, having secured their 12th title.

Growing International Interest

There’s increasing attention on NPB from Major League Baseball (MLB), with MLB exploring expansion opportunities in Japan. Interest in NPB is also growing within the United States, particularly among Japanese-Americans.

Leadership

Currently, Sadayuki Sakakibara serves as the Commissioner of NPB.

Broadcast Partners

NPB games are broadcast on a variety of networks in Japan, including Fuji TV, NHK, TV Asahi, J Sports, TBS, Gaora Sports, Sports Live+, and DAZN. For fans in the United States, games are available through For the Fans and YouTube.

NPB continues to be a vibrant and competitive league, attracting a dedicated fanbase and garnering increasing international recognition. Its unique structure and rich history set it apart as a cornerstone of Japanese sports culture.