Editing Nippon Professional Baseball (section)

===NPB establishment===
After the 1949 season, the JBL team owners reorganized into the NPB; [[Daiei Stars]] owner [[Masaichi Nagata]] promoted a two-league system, which became the [[Pacific League]] (initially called the '''Taiheiyo Baseball Union''') and the [[Central League]]. (Nagata became the first president of the Pacific League.)<ref name=Fame>{{cite web|title=Nagata, Masaichi|url=http://english.baseball-museum.or.jp/baseball_hallo/detail/detail_092.html|work=Hall of Famers List|publisher=The Baseball Hall of Fame and Museum|access-date=24 September 2011|archive-date=1 January 2020|archive-url=https://web.archive.org/web/20200101194402/http://english.baseball-museum.or.jp/baseball_hallo/detail/detail_092.html|url-status=dead}}</ref> The league now known as Nippon Pro Baseball began play in the 1950 season.

Four JBL teams formed the basis of the Central League: the [[Chunichi Dragons]], the [[Hanshin Tigers]], the [[Yomiuri Giants]], and the [[Shochiku Robins]] (formerly the Taiyō Robins). To fill out the league, four new teams were formed: the [[Hiroshima Carp]], the [[Kokutetsu Swallows]], the [[Nishi Nippon Pirates]], and the [[Taiyō Whales]].

Four JBL teams formed the basis of the Pacific League: the [[Hankyu Braves]], the [[Nankai Hawks]], the [[Daiei Stars]], and the [[Tokyu Flyers]]. To fill out the league, three new teams were formed: the [[Kintetsu Pearls]], the [[Mainichi Orions]], and the [[Nishitetsu Clippers]].

[[Matsutarō Shōriki]], the Giants' owner, acted as NPB's unofficial commissioner and oversaw the first [[Japan Series]], which featured the Mainichi Orions defeating the Shochiku Robins 4 games to 2.