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or NPB is the highest level of
baseball in Japan Baseball was introduced to Japan in 1872 and is Japan's most popular participatory and spectator sport. The first professional competitions emerged in the 1920s. The highest level of baseball in Japan is Nippon Professional Baseball (NPB), whi ...
. Locally, it is often called , meaning ''Professional Baseball''. Outside Japan, it is often just referred to as "Japanese baseball". The roots of the league can be traced back to the formation of the in
Tokyo Tokyo (; ja, 東京, , ), officially the Tokyo Metropolis ( ja, 東京都, label=none, ), is the capital and largest city of Japan. Formerly known as Edo, its metropolitan area () is the most populous in the world, with an estimated 37.468 ...
, founded in 1934, and the original circuit for the sport in the Empire two years later –
Japanese Baseball League was a professional baseball league in Japan which operated from 1936 to 1949, before reorganizing in 1950 as Nippon Professional Baseball. The league's dominant team was Tokyo Kyojin (renamed the Yomiuri Giants in 1947), which won nine league c ...
(1936–1949), and continued to play even through the final years of World War II. The league that is today's NPB for Japan was formed when that sports organization reorganized in 1950, creating two leagues with six teams each in the
Central League The or is one of the two professional baseball leagues that constitute Nippon Professional Baseball in Japan. The winner of the league championship plays against the winner of the Pacific League in the annual Japan Series. It currently consist ...
and the
Pacific League The or is one of the two professional baseball leagues constituting Nippon Professional Baseball in Japan. The winner of the league championship competes against the winner in the Central League for the annual Japan Series. It currently consis ...
with an annual season-ending
Japan Series The Japan Series ( , officially the Japan Championship Series, ), also the Nippon Series, :File:2014_JS_logo.png is the annual championship series in Nippon Professional Baseball, the top baseball league in Japan. It is a best-of-seven series ...
championship play-off series of games starting that year. The NPB also oversees the Western League and the Eastern League, NPB's
minor leagues Minor leagues are professional sports leagues which are not regarded as the premier leagues in those sports. Minor league teams tend to play in smaller, less elaborate venues, often competing in smaller cities/markets. This term is used in No ...
. Since the first Japan Series in , the
Yomiuri Giants The are a Japanese professional baseball team competing in Nippon Professional Baseball's Central League. Based in Bunkyo, Tokyo, they are one of two professional baseball teams based in Tokyo, the other being the Tokyo Yakult Swallows. They ...
have the most championships with 22, and the most appearances with 37. Entering the 2023 season, the
Orix Buffaloes The are a Nippon Professional Baseball team formed as a result of the 2004 Nippon Professional Baseball realignment by the merger of the Orix BlueWave of Kobe, Hyōgo Prefecture, Japan, and the Osaka Kintetsu Buffaloes of Osaka, Osaka Prefectur ...
, who defeated the
Tokyo Yakult Swallows The Tokyo Yakult Swallows () are a Japanese professional baseball team competing in Nippon Professional Baseball's Central League. Based in Shinjuku, Tokyo, they are one of two professional baseball teams based in Tokyo, the other being the Yom ...
4-2-1 in the 2022 Japan Series, are the reigning champions. The Japan Series has been contested 73 times as of 2022, with the
Pacific League The or is one of the two professional baseball leagues constituting Nippon Professional Baseball in Japan. The winner of the league championship competes against the winner in the Central League for the annual Japan Series. It currently consis ...
winning 37 and the
Central League The or is one of the two professional baseball leagues that constitute Nippon Professional Baseball in Japan. The winner of the league championship plays against the winner of the Pacific League in the annual Japan Series. It currently consist ...
winning 36.


League structure

Nippon Professional Baseball consists of two leagues, the Central League and the Pacific League, which each have six teams. There are also two secondary-level professional minor leagues, the Eastern League and the Western League, that play shorter schedules for developing players. NPB teams are allowed to have more than one minor league team as long as they are outside of the established minor league system, with the
Fukuoka SoftBank Hawks The are a Japanese professional baseball team based in Fukuoka, Fukuoka Prefecture. They compete in Nippon Professional Baseball (NPB) as a member of the Pacific League. The team was formerly known as the Nankai Hawks and was based in Osaka. ...
and
Yomiuri Giants The are a Japanese professional baseball team competing in Nippon Professional Baseball's Central League. Based in Bunkyo, Tokyo, they are one of two professional baseball teams based in Tokyo, the other being the Tokyo Yakult Swallows. They ...
being the only teams taking advantage of this. As of 2023, the Hawks have three minor league teams, the Giants have two, and the other ten teams only have one minor league team each. Teams below the Eastern and Western Leagues play exhibition matches against various collegiate,
industrial Industrial may refer to: Industry * Industrial archaeology, the study of the history of the industry * Industrial engineering, engineering dealing with the optimization of complex industrial processes or systems * Industrial city, a city dominate ...
,
Shikoku Island League Plus The is an independent professional baseball league on the island of Shikoku in Japan. (None of the teams in Nippon Professional Baseball are based in Shikoku.) The league currently has four teams, and has its league headquarters in Takamatsu. Th ...
, and other NPB minor league teams. The Central League and Pacific League operate as separate entities, unlike the four major professional sports leagues of North America whose leagues operate as one singular entity. TV rights for games are always held by a game's home team. The Pacific League has used the
designated hitter The designated hitter (DH) is a baseball player who bats in place of another position player, most commonly the pitcher. The position is authorized by Major League Baseball Rule 5.11. It was adopted by the American League in 1973 and later by th ...
(DH) rule since 1975, while the Central League has not used the DH outside of
interleague play Interleague play in Major League Baseball refers to regular-season baseball games played between an American League (AL) team and a National League (NL) team. Interleague play was first introduced during the 1997 Major League Baseball season. Pri ...
where a Pacific League team is the home team and in the 1985 Japan Series. The season starts in late March or early April, and ends in October, with two or three
all-star game An all-star game is an exhibition game that purports to showcase the best players (the "stars") of a sports league. The exhibition is between two teams organized solely for the event, usually representing the league's teams based on region or div ...
s in July. In recent decades prior to 2007, the two leagues each scheduled between 130 and 140 regular season games, with the 146 games played by the Central League in 2005 and 2006 being the only exception. Both leagues have since adopted 143-game seasons, 71 or 72 each at home and on road, facing their five respective intra-league opponents 25 times each and facing their six interleague opponents three times each in late May to early June in interleague play, with a separate champion being crowned for the team with the best record through the 18 games of interleague play. In general, Japanese teams play six games a week, with every Monday off (except on specific occasions, such as a game being played outside of the home team's primary stadium or if a
rainout A rainout is the process of precipitation causing the removal of radioactive particles from the atmosphere onto the ground, creating nuclear fallout by rain. The rainclouds of the rainout are often formed by the particles of a nuclear explosion it ...
forced a game to be postponed to a Monday).Waldstein, David
"Ace Favors Fewer Starts to Protect Pitchers' Arms: Rangers' Yu Darvish Pushes for a Six-Man Pitching Rotation,"
New York Times (July 21, 2014).
Unlike in
Major League Baseball Major League Baseball (MLB) is a professional baseball organization and the oldest major professional sports league in the world. MLB is composed of 30 total teams, divided equally between the National League (NL) and the American League (AL), ...
, doubleheaders have not been featured in NPB since the late 1990s. Following the conclusion of each regular season, the top three teams from each league go on to play in the
Climax Series The is the current annual playoff system implemented by Japan's Nippon Professional Baseball (NPB). It determines which team from the Central League (CL) and from the Pacific League (PL) will advance to compete for the championship in the Japan ...
championship play-off tournament, with the winner of each play-off tournament facing off in a best-of-seven championship series known as the
Japan Series The Japan Series ( , officially the Japan Championship Series, ), also the Nippon Series, :File:2014_JS_logo.png is the annual championship series in Nippon Professional Baseball, the top baseball league in Japan. It is a best-of-seven series ...
(known locally as the Nippon Series). Implemented in by the Pacific League (then known as the Pacific League Playoffs) and in by the Central League, the Climax Series is a two-stage system; in the "First Stage", the second and third place ranking teams face off in a best-of-three series played entirely in the second place team's home stadium. In the case of an instance where the series ends 1-1-1, the higher seed always advances to the Final Stage. In the "Final Stage", the winner of the First Stage will face off against the league's pennant winner in a best-of-six series played entirely in the pennant winner's home stadium. The higher seed always starts with a "ghost win", or a 1-0 advantage in the series before any games have been played, meaning the higher seed only has to win three games whereas the lower seed has to win four games. In the event of a tie, the higher seed would subsequently only need to win two games. The winners of each league's Final Stage then face off in the Japan Series, a best-of-seven series mirroring the format of the
World Series The World Series is the annual championship series of Major League Baseball (MLB) in the United States and Canada, contested since 1903 between the champion teams of the American League (AL) and the National League (NL). The winner of the World ...
. In the rare instance where the series ends 3-3-1 after seven games, a Game 8 will be played with unlimited innings at the stadium with
home-field advantage In team sports, the term home advantage – also called home ground, home field, home-field advantage, home court, home-court advantage, defender's advantage or home-ice advantage – describes the benefit that the home team is said to g ...
. Since its inception, home-field advantage alternates from year to year between the CL and PL, with the CL representative getting home-field advantage in even years and the PL representative getting home-field advantage in odd years. Since its adoption by both leagues in 2007, Climax Series does not determine who won each league's pennant, rather the team with the best regular season record in each league wins the pennant, regardless of their result in the Climax Series. This has led to four occasions where the Japan Series champion did not win their league's pennant that year, with those being the
Chunichi Dragons The are a professional baseball team based in Nagoya, the chief city in the Chūbu region of Japan. The team plays in the Central League of Nippon Professional Baseball. They have won the Central League pennant nine times (most recently in 2011) ...
,
Chiba Lotte Marines The are a professional baseball team in Japan's Pacific League based in Chiba City, Chiba Prefecture, in the Kantō region, and owned by Lotte Holdings Co., Ltd. History The Marines franchise began in 1950 as the Mainichi Orions, an inaugural ...
, and the and
Fukuoka SoftBank Hawks The are a Japanese professional baseball team based in Fukuoka, Fukuoka Prefecture. They compete in Nippon Professional Baseball (NPB) as a member of the Pacific League. The team was formerly known as the Nankai Hawks and was based in Osaka. ...
. However, from to , the winner of the Pacific League Playoffs was given the Pacific League pennant for that year.


Financial problems

Financial problems plague many teams in the league. It is believed that with the exception of the
Yomiuri Giants The are a Japanese professional baseball team competing in Nippon Professional Baseball's Central League. Based in Bunkyo, Tokyo, they are one of two professional baseball teams based in Tokyo, the other being the Tokyo Yakult Swallows. They ...
,
Hanshin Tigers The Hanshin Tigers (Japanese: 阪神タイガース ''Hanshin Taigāsu'') are a Nippon Professional Baseball team playing in the Central League. The team is based in Nishinomiya, Hyōgo Prefecture, Japan, and is owned by Hanshin Electric Railwa ...
, and
Fukuoka SoftBank Hawks The are a Japanese professional baseball team based in Fukuoka, Fukuoka Prefecture. They compete in Nippon Professional Baseball (NPB) as a member of the Pacific League. The team was formerly known as the Nankai Hawks and was based in Osaka. ...
, all teams are operating with considerable subsidies, often as much as ¥6 billion (about US$73 million), from their parent companies. A raise in the salaries of players is often blamed, but, from the start of the professional league, parent companies paid the difference as an advertisement. Most teams have never tried to improve their finances through constructive marketing. In addition, teams in the
Central League The or is one of the two professional baseball leagues that constitute Nippon Professional Baseball in Japan. The winner of the league championship plays against the winner of the Pacific League in the annual Japan Series. It currently consist ...
historically saw much higher profits than the
Pacific League The or is one of the two professional baseball leagues constituting Nippon Professional Baseball in Japan. The winner of the league championship competes against the winner in the Central League for the annual Japan Series. It currently consis ...
, having popular teams such as the Giants and Tigers. The number of metropolitan areas represented in the league increased from four to five in 1988, when the
Nankai Hawks The are a Japanese professional baseball team based in Fukuoka, Fukuoka Prefecture. They compete in Nippon Professional Baseball (NPB) as a member of the Pacific League. The team was formerly known as the Nankai Hawks and was based in Osaka. ...
(now Fukuoka SoftBank Hawks) were sold to
Daiei , based in Kobe, Hyōgo, Kobe, is one of the largest supermarket chains in Japan. In 1957, Isao Nakauchi founded the chain in Osaka near Sembayashi Station on the Keihan train line. Daiei is now under a restructuring process supported by Maruben ...
and moved to
Fukuoka is the sixth-largest city in Japan, the second-largest port city after Yokohama, and the capital city of Fukuoka Prefecture, Japan. The city is built along the shores of Hakata Bay, and has been a center of international commerce since ancie ...
, nine years after the
Nishitetsu Lions The are a professional baseball team in Japan's Pacific League based north of Tokyo in Tokorozawa, Saitama Prefecture. Before 1979, they were based in Fukuoka, Fukuoka Prefecture in Kyushu. The team is owned by a subsidiary of Seibu Rail ...
moved from Fukuoka to
Tokorozawa is a city located in Saitama Prefecture, Japan. , the city had an estimated population of 344,194 in 163,675 households and a population density of 4800 persons per km². The total area of the city is . Geography Tokorozawa is located in the ce ...
to become the
Seibu Lions The are a professional baseball team in Japan's Pacific League based north of Tokyo in Tokorozawa, Saitama Prefecture. Before 1979, they were based in Fukuoka, Fukuoka Prefecture in Kyushu. The team is owned by a subsidiary of Seibu Railway, wh ...
, and from five to seven between 2003 and 2005, as the
Nippon-Ham Fighters The are a Japanese professional baseball team based in Kitahiroshima, Hokkaidō. They compete in the Pacific League of Nippon Professional Baseball, playing the majority of their home games at ES CON Field Hokkaido. The Fighters also host a s ...
moved from
Tokyo Tokyo (; ja, 東京, , ), officially the Tokyo Metropolis ( ja, 東京都, label=none, ), is the capital and largest city of Japan. Formerly known as Edo, its metropolitan area () is the most populous in the world, with an estimated 37.468 ...
to
Sapporo ( ain, サッ・ポロ・ペッ, Satporopet, lit=Dry, Great River) is a city in Japan. It is the largest city north of Tokyo and the largest city on Hokkaido, the northernmost main island of the country. It ranks as the fifth most populous city ...
prior to the season. The
Osaka Kintetsu Buffaloes The were a Nippon Professional Baseball (NPB) team based in Osaka, Japan, which was in the Pacific League. In 2005 the team was merged with the Orix BlueWave to become the team now known as the Orix Buffaloes. The team played in Fujiidera Stadiu ...
merged with the
Orix BlueWave , styled as ORIX, is a Japanese diversified financial services group headquartered in Minato, Tokyo, and Osaka, Japan. ORIX offers leasing, lending, rentals, life insurance, real estate financing and development, venture capital, investment an ...
(becoming the Orix Buffaloes) in the middle of 2004, which caused a player strike that eventually resulted in the creation of the Tōhoku Rakuten Golden Eagles being founded in
Sendai is the capital Cities of Japan, city of Miyagi Prefecture, the largest city in the Tōhoku region. , the city had a population of 1,091,407 in 525,828 households, and is one of Japan's 20 Cities designated by government ordinance of Japan, desig ...
to maintain the 12-team balance before the season. Until 1993, baseball was the only team sport played professionally in Japan. In that year, the J.League professional
football Football is a family of team sports that involve, to varying degrees, kicking a ball to score a goal. Unqualified, the word ''football'' normally means the form of football that is the most popular where the word is used. Sports commonly c ...
league was founded. The new football league placed teams in prefectural capitals around the country—rather than clustering them in and around Tokyo—and the teams were named after their locations rather than after corporate sponsors, despite many clubs in the J.League still being owned and subsidized by corporate entities. The wave of players moving to Major League Baseball, which began with
Hideo Nomo is a Japanese former baseball pitcher who played in Nippon Professional Baseball (NPB) and Major League Baseball (MLB). He achieved early success in his native country, where he played with the Kintetsu Buffaloes from to . He then exploited a l ...
"retiring" from the
Kintetsu Buffaloes The were a Nippon Professional Baseball (NPB) team based in Osaka, Japan, which was in the Pacific League. In 2005 the team was merged with the Orix BlueWave to become the team now known as the Orix Buffaloes. The team played in Fujiidera Stad ...
, then signing with the
Los Angeles Dodgers The Los Angeles Dodgers are an American professional baseball team based in Los Angeles. The Dodgers compete in Major League Baseball (MLB) as a member club of the National League (NL) West division. Established in 1883 in the city of Brooklyn ...
, has also added to the financial problems. Attendance suffered as teams lost their most marketable players, while TV ratings declined as viewers tuned into broadcasts of Major League games. To discourage players from leaving to play in North America, or to at least compensate teams that lose players, Japanese baseball and MLB agreed on a
posting system The is a baseball player transfer system that operates between Nippon Professional Baseball (NPB) and Major League Baseball (MLB). Despite the drafting of the United States – Japanese Player Contract Agreement, unveiled in 1967 to regulate ...
for players under contract. MLB teams wishing to negotiate with a player submit bids for a "posting fee", which the winning MLB team would pay the Japanese team if the player signs with the MLB team.
Free agent In professional sports, a free agent is a player who is eligible to sign with other clubs or franchises; i.e., not under contract to any specific team. The term is also used in reference to a player who is under contract at present but who is a ...
s are not subject to the posting system, however, and some teams almost never post their players.


History


Origins

The first professional baseball team in Japan was founded by media mogul
Matsutarō Shōriki was a Japanese media mogul and politician. He owned the ''Yomiuri Shimbun'' newspaper, the main mouthpiece for the military dictatorship during the war, after the war it gained Japan’s highest readership while openly distributing nationalistic ...
in late 1934 and called the
Dai Nippon Tokyo Yakyu Kurabu The are a Japanese professional baseball team competing in Nippon Professional Baseball's Central League. Based in Bunkyo, Tokyo, they are one of two professional baseball teams based in Tokyo, the other being the Tokyo Yakult Swallows. They ...
("the Great Japan Tokyo Baseball Club"). After matching up with a team of visiting American All-Stars that included
Babe Ruth George Herman "Babe" Ruth Jr. (February 6, 1895 – August 16, 1948) was an American professional baseball player whose career in Major League Baseball (MLB) spanned 22 seasons, from 1914 through 1935. Nicknamed "the Bambino" and "the Su ...
,
Jimmie Foxx James Emory Foxx (October 22, 1907 – July 21, 1967), nicknamed "Double X" and "The Beast", was an American professional baseball first baseman who played 20 seasons in Major League Baseball (MLB) for the Philadelphia Athletics, Boston Red Sox, ...
,
Lou Gehrig Henry Louis Gehrig (born Heinrich Ludwig Gehrig ; June 19, 1903June 2, 1941) was an American professional baseball first baseman who played 17 seasons in Major League Baseball (MLB) for the New York Yankees (1923–1939). Gehrig was renowned f ...
, and
Charlie Gehringer Charles Leonard Gehringer (May 11, 1903 – January 21, 1993), nicknamed "the Mechanical Man", was an American professional baseball second baseman, coach, general manager, and team vice president, who played in Major League Baseball (MLB) for t ...
, the team spent the 1935 season barnstorming in the U.S., winning 93 of 102 games against semi-pro and
Pacific Coast League The Pacific Coast League (PCL) is a Minor League Baseball league that operates in the Western United States. Along with the International League, it is one of two leagues playing at the Triple-A (baseball), Triple-A level, which is one grade bel ...
teams. According to historian Joseph Reaves, "The only minor drawbacks to the team's popularity in the States were their
kanji are the logographic Chinese characters taken from the Chinese family of scripts, Chinese script and used in the writing of Japanese language, Japanese. They were made a major part of the Japanese writing system during the time of Old Japanese ...
characters and their cumbersome Japanese name. They rectified both by renaming themselves the
Tokyo Kyojin The are a Japanese professional baseball team competing in Nippon Professional Baseball's Central League. Based in Bunkyo, Tokyo, they are one of two professional baseball teams based in Tokyo, the other being the Tokyo Yakult Swallows. They ...
Tokyo Giants'and adopting a uniform identical to the
New York Giants The New York Giants are a professional American football team based in the New York metropolitan area. The Giants compete in the National Football League (NFL) as a member club of the league's National Football Conference (NFC) East division. ...
…" From 1936 to 1950,
professional baseball in Japan Professional baseball in Japan first started in the 1920s, but it was not until the was established in 1934 that the modern professional game had continued success. History Baseball was introduced to Japan in 1872 by Horace Wilson, and its first ...
was played under the banner of the
Japanese Baseball League was a professional baseball league in Japan which operated from 1936 to 1949, before reorganizing in 1950 as Nippon Professional Baseball. The league's dominant team was Tokyo Kyojin (renamed the Yomiuri Giants in 1947), which won nine league c ...
(JBL). The league's dominant team during this period was the
Tokyo Kyojin The are a Japanese professional baseball team competing in Nippon Professional Baseball's Central League. Based in Bunkyo, Tokyo, they are one of two professional baseball teams based in Tokyo, the other being the Tokyo Yakult Swallows. They ...
, which won nine league championships, including six in a row from 1938 to 1943. (The team was officially renamed the
Yomiuri Giants The are a Japanese professional baseball team competing in Nippon Professional Baseball's Central League. Based in Bunkyo, Tokyo, they are one of two professional baseball teams based in Tokyo, the other being the Tokyo Yakult Swallows. They ...
in 1947.)


NPB establishment

After the 1949 season, the JBL team owners reorganized into the NPB;
Daiei Stars The were a Japanese professional baseball team that was founded in 1946, and played in various incarnations until 1957, when it merged with another team. Overall, the franchise only had three winning seasons, never rising higher than third place ...
owner
Masaichi Nagata was a Japanese businessman and served as president of Daiei Film. The self-proclaimed creator of Gamera, he produced the kaiju's second film ''Gamera vs. Barugon'', with the remainder of the Showa ''Gamera'' films produced instead by his son Hi ...
promoted a two-league system, which became the
Pacific League The or is one of the two professional baseball leagues constituting Nippon Professional Baseball in Japan. The winner of the league championship competes against the winner in the Central League for the annual Japan Series. It currently consis ...
(initially called the Taiheiyo Baseball Union) and the
Central League The or is one of the two professional baseball leagues that constitute Nippon Professional Baseball in Japan. The winner of the league championship plays against the winner of the Pacific League in the annual Japan Series. It currently consist ...
. (Nagata became the first president of the Pacific League.) 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 are a professional baseball team based in Nagoya, the chief city in the Chūbu region of Japan. The team plays in the Central League of Nippon Professional Baseball. They have won the Central League pennant nine times (most recently in 2011) ...
, the
Hanshin Tigers The Hanshin Tigers (Japanese: 阪神タイガース ''Hanshin Taigāsu'') are a Nippon Professional Baseball team playing in the Central League. The team is based in Nishinomiya, Hyōgo Prefecture, Japan, and is owned by Hanshin Electric Railwa ...
, the
Yomiuri Giants The are a Japanese professional baseball team competing in Nippon Professional Baseball's Central League. Based in Bunkyo, Tokyo, they are one of two professional baseball teams based in Tokyo, the other being the Tokyo Yakult Swallows. They ...
, and the
Shochiku Robins The Shochiku Robins were a Japanese baseball team that played in Nippon Professional Baseball (NPB). The franchise originated in the Japanese Baseball League (NPB's predecessor) and existed from 1936–1953, when it merged with the Taiyo Whales. ...
(formerly the Taiyō Robins). To fill out the league, four new teams were formed: the
Hiroshima Carp The is a professional baseball team based in Hiroshima, Japan. They compete in the Central League of Nippon Professional Baseball. The team is primarily owned by the Matsuda family, led by , who is a descendant of Mazda founder Jujiro Mats ...
, the
Kokutetsu Swallows The Tokyo Yakult Swallows () are a Japanese professional baseball team competing in Nippon Professional Baseball's Central League. Based in Shinjuku, Tokyo, they are one of two professional baseball teams based in Tokyo, the other being the Yo ...
, the Nishi Nippon Pirates, and the
Taiyō Whales The are a professional baseball team in the Japanese Central League. Their home field is Yokohama Stadium, located in central Yokohama. The team has been known by several names since becoming a professional team in 1950. It adopted its current ...
. Four JBL teams formed the basis of the Pacific League: the
Hankyu Braves The are a Nippon Professional Baseball team formed as a result of the 2004 Nippon Professional Baseball realignment by the merger of the Orix BlueWave of Kobe, Hyōgo Prefecture, Japan, and the Osaka Kintetsu Buffaloes of Osaka, Osaka Prefectur ...
, the
Nankai Hawks The are a Japanese professional baseball team based in Fukuoka, Fukuoka Prefecture. They compete in Nippon Professional Baseball (NPB) as a member of the Pacific League. The team was formerly known as the Nankai Hawks and was based in Osaka. ...
, the
Daiei Stars The were a Japanese professional baseball team that was founded in 1946, and played in various incarnations until 1957, when it merged with another team. Overall, the franchise only had three winning seasons, never rising higher than third place ...
, and the
Tokyu Flyers The are a Japanese professional Baseball in Japan, baseball team based in Kitahiroshima, Hokkaidō. They compete in the Pacific League of Nippon Professional Baseball, playing the majority of their home games at ES CON Field Hokkaido. The Figh ...
. To fill out the league, three new teams were formed: the
Kintetsu Pearls The were a Nippon Professional Baseball (NPB) team based in Osaka, Japan, which was in the Pacific League. In 2005 the team was merged with the Orix BlueWave to become the team now known as the Orix Buffaloes. The team played in Fujiidera Sta ...
, the
Mainichi Orions The are a professional baseball team in Japan's Pacific League based in Chiba City, Chiba Prefecture, in the Kantō region, and owned by Lotte Holdings Co., Ltd. History The Marines franchise began in 1950 as the Mainichi Orions, an inaugural ...
, and the
Nishitetsu Clippers The are a professional baseball team in Japan's Pacific League based north of Tokyo in Tokorozawa, Saitama Prefecture. Before 1979, they were based in Fukuoka, Fukuoka Prefecture in Kyushu. The team is owned by a subsidiary of Seibu Railway, w ...
.
Matsutarō Shōriki was a Japanese media mogul and politician. He owned the ''Yomiuri Shimbun'' newspaper, the main mouthpiece for the military dictatorship during the war, after the war it gained Japan’s highest readership while openly distributing nationalistic ...
, the Giants' owner, acted as NPB's unofficial commissioner and oversaw the first
Japan Series The Japan Series ( , officially the Japan Championship Series, ), also the Nippon Series, :File:2014_JS_logo.png is the annual championship series in Nippon Professional Baseball, the top baseball league in Japan. It is a best-of-seven series ...
, which featured the Mainichi Orions defeating the Shochiku Robins 4 games to 2.


Expansion and contraction

The Central League's Nishi Nippon Pirates existed for one season—they placed sixth in 1950, and the following season merged with the
Nishitetsu Clippers The are a professional baseball team in Japan's Pacific League based north of Tokyo in Tokorozawa, Saitama Prefecture. Before 1979, they were based in Fukuoka, Fukuoka Prefecture in Kyushu. The team is owned by a subsidiary of Seibu Railway, w ...
(also based in Fukuoka) to form the
Nishitetsu Lions The are a professional baseball team in Japan's Pacific League based north of Tokyo in Tokorozawa, Saitama Prefecture. Before 1979, they were based in Fukuoka, Fukuoka Prefecture in Kyushu. The team is owned by a subsidiary of Seibu Rail ...
. This brought the number of Central League teams down to an ungainly arrangement of seven. In 1952, it was decided that any Central League team ending the season with a winning percentage below .300 would be disbanded or merged with other teams. The
Shochiku Robins The Shochiku Robins were a Japanese baseball team that played in Nippon Professional Baseball (NPB). The franchise originated in the Japanese Baseball League (NPB's predecessor) and existed from 1936–1953, when it merged with the Taiyo Whales. ...
fell into this category, and were merged with the
Taiyō Whales The are a professional baseball team in the Japanese Central League. Their home field is Yokohama Stadium, located in central Yokohama. The team has been known by several names since becoming a professional team in 1950. It adopted its current ...
to become the Taiyō Shochiku Robins in January 1953. This enabled the Central League to shrink to an even number of six teams. In 1954 a new
Pacific League The or is one of the two professional baseball leagues constituting Nippon Professional Baseball in Japan. The winner of the league championship competes against the winner in the Central League for the annual Japan Series. It currently consis ...
team was founded, the
Takahashi Unions The were a Japanese team in Nippon Professional Baseball. A Pacific League expansion team in 1954, they were brought into the league to increase the number of teams to eight. The team was stocked with players from the other Pacific League teams, i ...
, to increase the number of teams in that division to eight. Although the team was stocked with players from the other Pacific League teams, the Unions struggled from the outset and finished in the second division every season. In 1957, the Unions were merged with the
Daiei Stars The were a Japanese professional baseball team that was founded in 1946, and played in various incarnations until 1957, when it merged with another team. Overall, the franchise only had three winning seasons, never rising higher than third place ...
to form the
Daiei Unions The were a Japanese professional baseball team that was founded in 1946, and played in various incarnations until 1957, when it merged with another team. Overall, the franchise only had three winning seasons, never rising higher than third place ...
(and again bringing the number of Pacific League teams down to seven). The Unions existed for a single season, finishing in last place, 43-1/2 games out of first. In 1958, the Unions merged with the
Mainichi Orions The are a professional baseball team in Japan's Pacific League based in Chiba City, Chiba Prefecture, in the Kantō region, and owned by Lotte Holdings Co., Ltd. History The Marines franchise began in 1950 as the Mainichi Orions, an inaugural ...
to form the
Daimai Orions The are a professional baseball team in Japan's Pacific League based in Chiba City, Chiba Prefecture, in the Kantō region, and owned by Lotte Holdings Co., Ltd. History The Marines franchise began in 1950 as the Mainichi Orions, an inaugura ...
. This enabled the Pacific League to contract from the ungainly seven-team arrangement to six teams. After these various franchise developments, by the end of the 1950s Nippon Professional Baseball had contracted from the initial allotment of 15 teams down to the current number of 12.


1960s and 1970s

On September 1, 1964,
Nankai Hawks The are a Japanese professional baseball team based in Fukuoka, Fukuoka Prefecture. They compete in Nippon Professional Baseball (NPB) as a member of the Pacific League. The team was formerly known as the Nankai Hawks and was based in Osaka. ...
' prospect
Masanori Murakami Masanori "Mashi" Murakami (村上 雅則, ''Murakami Masanori'', born May 6, 1944) is a retired Japanese baseball player. He is notable for being the first Japanese player to play for a Major League Baseball team. Sent over to the United States ...
became the first Japanese player to play in
Major League Baseball Major League Baseball (MLB) is a professional baseball organization and the oldest major professional sports league in the world. MLB is composed of 30 total teams, divided equally between the National League (NL) and the American League (AL), ...
when he appeared on the mound for the
San Francisco Giants The San Francisco Giants are an American professional baseball team based in San Francisco, California. The Giants compete in Major League Baseball (MLB) as a member club of the National League (NL) West division. Founded in 1883 as the New Yor ...
; he returned to Japan in 1966. Disputes over the rights to his contract eventually led to the 1967 United States – Japanese Player Contract Agreement; it would be almost 30 years before another Japanese player played in the Major Leagues. Continuing their dominance from the JBL, the
Yomiuri Giants The are a Japanese professional baseball team competing in Nippon Professional Baseball's Central League. Based in Bunkyo, Tokyo, they are one of two professional baseball teams based in Tokyo, the other being the Tokyo Yakult Swallows. They ...
won nine consecutive
Japan Series The Japan Series ( , officially the Japan Championship Series, ), also the Nippon Series, :File:2014_JS_logo.png is the annual championship series in Nippon Professional Baseball, the top baseball league in Japan. It is a best-of-seven series ...
championships from 1965 to 1973. The Black Mist Scandal rocked Nippon Professional Baseball between 1969 and 1971. The fallout from a series of game-fixing scandals resulted in several star players receiving long suspensions, salary cuts, or being banned from professional play entirely; the resulting abandonment of baseball by many fans in Japan also led to the sale of the
Nishitetsu Lions The are a professional baseball team in Japan's Pacific League based north of Tokyo in Tokorozawa, Saitama Prefecture. Before 1979, they were based in Fukuoka, Fukuoka Prefecture in Kyushu. The team is owned by a subsidiary of Seibu Rail ...
and the
Toei Flyers The are a Japanese professional baseball team based in Kitahiroshima, Hokkaidō. They compete in the Pacific League of Nippon Professional Baseball, playing the majority of their home games at ES CON Field Hokkaido. The Fighters also host a ...
. From 1973 to 1982, in a forerunner to today's Climax Series playoff rounds, the
Pacific League The or is one of the two professional baseball leagues constituting Nippon Professional Baseball in Japan. The winner of the league championship competes against the winner in the Central League for the annual Japan Series. It currently consis ...
employed a split season with the first-half winner playing against the second-half winner in a mini-playoff to determine its champion. In 1975, the Pacific League adopted the
designated hitter The designated hitter (DH) is a baseball player who bats in place of another position player, most commonly the pitcher. The position is authorized by Major League Baseball Rule 5.11. It was adopted by the American League in 1973 and later by th ...
rule. These were implemented in an attempt to draw fans back to Pacific League, as the Pacific League was hit significantly harder by the Black Mist Scandal than the Central League, with only the
Hankyu Braves The are a Nippon Professional Baseball team formed as a result of the 2004 Nippon Professional Baseball realignment by the merger of the Orix BlueWave of Kobe, Hyōgo Prefecture, Japan, and the Osaka Kintetsu Buffaloes of Osaka, Osaka Prefectur ...
not having players involved in the incident.


1980s and the "Invincible Seibu"

After being a second division team for much of the 1960s and 1970s, in 1983 the
Seibu Lions The are a professional baseball team in Japan's Pacific League based north of Tokyo in Tokorozawa, Saitama Prefecture. Before 1979, they were based in Fukuoka, Fukuoka Prefecture in Kyushu. The team is owned by a subsidiary of Seibu Railway, wh ...
began a period of sustained success. The team gained the moniker "Invincible Seibu" during the 1980s and 1990s due to their sustained domination of the league, winning 11 league championships and eight
Japan Series The Japan Series ( , officially the Japan Championship Series, ), also the Nippon Series, :File:2014_JS_logo.png is the annual championship series in Nippon Professional Baseball, the top baseball league in Japan. It is a best-of-seven series ...
championships between 1982 and 1994. The Lions had a powerful lineup in this period, loaded with sluggers such as Koji Akiyama, Kazuhiro Kiyohara, and
Orestes Destrade Orestes Destrade Cucuas (born May 8, 1962) is a Cuban former professional baseball infielder. He played in Major League Baseball (MLB) for the New York Yankees, Pittsburgh Pirates, and Florida Marlins. Destrade also played in Nippon Professional ...
. Their defense also benefited from the services of skilled players such as
Hiromichi Ishige Hiromichi Ishige (石毛 宏典, born September 22, 1956) is a retired Japanese professional baseball player and manager in Japan's Nippon Professional Baseball. He played most of his career for the Seibu Lions. The 1986 Pacific League Most Va ...
,
Hatsuhiko Tsuji is a former Nippon Professional Baseball player and manager. During his playing career he was well known as a skillful second baseman. Career statistics *Bolded figures are League-leading Titles and awards *Batting Champion: Once (1993) *O ...
and catcher
Tsutomu Ito Tsutomu is a masculine Japanese given name. Possible writings ''Tsutomu can be written using different kanji characters. Here are some examples: *勉, "make effort" *務, "affairs" *務武, "affairs, warrior" *勤, "diligence" *努, "strive" The ...
. Among the pitchers employed by the Lions in this period was "The Oriental Express" Taigen Kaku,
Osamu Higashio is a former Japanese baseball player who played in the Japanese professional leagues from 1969–1988, being remembered as one of the leading Japanese pitchers in the 1980s. He also was manager of the Seibu Lions from 1995 to 2001. Professiona ...
, Kimiyasu Kudoh,
Hisanobu Watanabe Hisanobu Watanabe (渡辺 久信 born August 2, 1965) nicknamed "Nabe-Q", is the former baseball player who played in the Japanese professional leagues from 1984 to 1998. He also was manager of the Saitama Seibu Lions The are a professional ...
, and relievers
Yoshitaka Katori is a former Nippon Professional Baseball or NPB is the highest level of baseball in Japan. Locally, it is often called , meaning ''Professional Baseball''. Outside Japan, it is often just referred to as "Japanese baseball". The roots of t ...
and
Tetsuya Shiozaki is a former Nippon Professional Baseball or NPB is the highest level of baseball in Japan. Locally, it is often called , meaning ''Professional Baseball''. Outside Japan, it is often just referred to as "Japanese baseball". The roots of t ...
. American expatriate players made their mark in NPB in the 1980s, with players like the Lee brothers (
Leron Lee Leron Lee (born March 4, 1948) is an American former professional left fielder. He played eight seasons with the St. Louis Cardinals, Los Angeles Dodgers, Cleveland Indians and San Diego Padres of Major League Baseball (MLB). He then played eleve ...
and
Leon Lee Leon Lee (born December 4, 1952, in Sacramento, California) is a former professional baseball player and manager, primarily known for his career in Japan. He played first base, third base, and catcher during his career, batting and throwing right- ...
), Greg "Boomer" Wells,
Randy Bass Randy William Bass (born March 13, 1954) is an American politician and former baseball player. He played in Major League Baseball (MLB) and Nippon Professional Baseball (NPB), and served in the Oklahoma Senate. Bass made his MLB debut in 1977, a ...
, and
Ralph Bryant Ralph Wendell Bryant (born May 20, 1961) is a retired Major League Baseball player. He played with the Los Angeles Dodgers in the major leagues, and with the Chunichi Dragons and Kintetsu Buffaloes in Nippon Professional Baseball. He batted left- ...
playing key roles on their NPB teams.


Hideo Nomo and the exodus to MLB

In 1995, star pitcher
Hideo Nomo is a Japanese former baseball pitcher who played in Nippon Professional Baseball (NPB) and Major League Baseball (MLB). He achieved early success in his native country, where he played with the Kintetsu Buffaloes from to . He then exploited a l ...
"retired" from the
Kintetsu Buffaloes The were a Nippon Professional Baseball (NPB) team based in Osaka, Japan, which was in the Pacific League. In 2005 the team was merged with the Orix BlueWave to become the team now known as the Orix Buffaloes. The team played in Fujiidera Stad ...
and signed with the
Los Angeles Dodgers The Los Angeles Dodgers are an American professional baseball team based in Los Angeles. The Dodgers compete in Major League Baseball (MLB) as a member club of the National League (NL) West division. Established in 1883 in the city of Brooklyn ...
. Nomo pitched over the span of 14 seasons in the Major Leagues before retiring in 2008. He won the
Rookie of the Year Award A rookie is a person new to an occupation, profession, or hobby. In sports, a ''rookie'' is a professional athlete in their first season (or year). In contrast with a veteran who has experience and expertise, a rookie is usually inexperienced ...
in 1995. He twice led the league in strikeouts, and also threw two no-hitters (the only Japanese pitcher to throw a no-hitter in Major League Baseball until
Hisashi Iwakuma is a Japanese former professional baseball pitcher. He has played in Nippon Professional Baseball (NPB) for the Osaka Kintetsu Buffaloes from 2000 to 2004, Tohoku Rakuten Golden Eagles from 2005 to 2011, and Yomiuri Giants in 2019, and all of ...
achieved the feat in August 2015). Nomo's MLB success led to more NPB players moving to
Major League Baseball Major League Baseball (MLB) is a professional baseball organization and the oldest major professional sports league in the world. MLB is composed of 30 total teams, divided equally between the National League (NL) and the American League (AL), ...
, and eventually led to the creation of the "
posting system The is a baseball player transfer system that operates between Nippon Professional Baseball (NPB) and Major League Baseball (MLB). Despite the drafting of the United States – Japanese Player Contract Agreement, unveiled in 1967 to regulate ...
" in 1998.Whiting, Robert (April 2004). ''The Meaning of Ichiro: The New Wave from Japan and the Transformation of our National Pastime''. Warner Books. . p. 146. Since Nomo's exodus, more than 60 NPB players have played Major League Baseball. Some of the more notable examples include: *
Ichiro Suzuki , also known mononymously as , is a Japanese former professional baseball outfielder who played professionally for 28 seasons. He played nine years of his career with the Orix BlueWave of Nippon Professional Baseball (NPB), where he began his ...
– after nine years with the
Orix BlueWave , styled as ORIX, is a Japanese diversified financial services group headquartered in Minato, Tokyo, and Osaka, Japan. ORIX offers leasing, lending, rentals, life insurance, real estate financing and development, venture capital, investment an ...
, in 2001 Ichiro was posted by the BlueWave and claimed by MLB's
Seattle Mariners The Seattle Mariners are an American professional baseball team based in Seattle. They compete in Major League Baseball (MLB) as a member club of the American League (AL) American League West, West division. The team joined the American League ...
. The first Japanese-born position player to be signed to the major leagues, Ichiro led the
American League The American League of Professional Baseball Clubs, known simply as the American League (AL), is one of two leagues that make up Major League Baseball (MLB) in the United States and Canada. It developed from the Western League, a minor league ...
(AL) in batting average and stolen bases en route to being named AL Rookie of the Year and AL Most Valuable Player. Ichiro, a member of MLB's 3,000-hit club, has established a number of MLB batting records, including the single-season record for hits with 262. He had ten consecutive 200-hit seasons, the longest streak by any player in history. Between his career hits in Japan's and America's major leagues, Ichiro has the most all-time top-flight hits. On August 27, 2022, Ichiro was enshrined in the Seattle Mariners Hall of Fame. *
Hideki Matsui , nicknamed "Godzilla", is a Japanese former professional baseball outfielder and designated hitter who played baseball in Nippon Professional Baseball (NPB) and Major League Baseball (MLB). He batted left-handed and threw right-handed. Matsui pl ...
– the slugger played ten seasons for the
Yomiuri Giants The are a Japanese professional baseball team competing in Nippon Professional Baseball's Central League. Based in Bunkyo, Tokyo, they are one of two professional baseball teams based in Tokyo, the other being the Tokyo Yakult Swallows. They ...
, and then in 2003 moved to MLB, where he starred for the
New York Yankees The New York Yankees are an American professional baseball team based in the Boroughs of New York City, New York City borough of the Bronx. The Yankees compete in Major League Baseball (MLB) as a member club of the American League (AL) Amer ...
for seven more seasons, including being named the
Most Valuable Player In team sports, a most valuable player award, abbreviated 'MVP award', is an honor typically bestowed upon an individual (or individuals, in the instance of a tie) whose individual performance is the greatest in an entire league, for a particu ...
for the 2009
World Series The World Series is the annual championship series of Major League Baseball (MLB) in the United States and Canada, contested since 1903 between the champion teams of the American League (AL) and the National League (NL). The winner of the World ...
. He was the first power hitter from Japan to succeed in Major League Baseball. *
Kazuhiro Sasaki Kazuhiro "Daimajin" Sasaki (佐々木 主浩 ''Sasaki Kazuhiro'', born February 22, 1968) is a former Nippon Professional Baseball and Major League Baseball right-handed relief pitcher. He played his entire NPB career with the Yokohama Taiyo W ...
– a closer famed for his splitter, known as "The Fang". In 2000, he won the
American League Rookie of the Year In Major League Baseball, the Rookie of the Year Award is given annually to two outstanding rookie players, one each for the American League (AL) and National League (NL), as voted on by the Baseball Writers' Association of America (BBWAA). The aw ...
Award after saving 37 games for the Mariners. In 2001, he was a vital contributor to the Mariners' extremely strong team that won an American League record 116 games, of which he saved 45. In 2001 and 2002, he was an All-Star. After 2003, he returned to Japan to pitch in the NPB until his retirement in 2005. *
Kazuo Matsui is a Japanese retired professional baseball player who played as a shortstop and is the current manager of the Saitama Seibu Lions. He is a switch-hitter. Matsui signed with the New York Mets on December 17, 2003, becoming the first Japanese i ...
– after eight stellar seasons with the
Seibu Lions The are a professional baseball team in Japan's Pacific League based north of Tokyo in Tokorozawa, Saitama Prefecture. Before 1979, they were based in Fukuoka, Fukuoka Prefecture in Kyushu. The team is owned by a subsidiary of Seibu Railway, wh ...
, Matsui signed with the
New York Mets The New York Mets are an American professional baseball team based in the New York City borough of Queens. The Mets compete in Major League Baseball (MLB) as a member of the National League (NL) East division. They are one of two major league ...
on December 15, 2003, in 2004 becoming the first Japanese infielder to play with a Major League Baseball team. His seven seasons in Major League Baseball were not as successful, and he later returned to NPB. *
Shohei Ohtani , nicknamed "Shotime", is a Japanese professional baseball pitcher, designated hitter and outfielder for the Los Angeles Angels of Major League Baseball (MLB). He previously played for the Hokkaido Nippon-Ham Fighters of Nippon Professional ...
– a
two-way player In sports that require a player to play on offense and defense (such as basketball and ice hockey), a two-way player refers to a player who excels at both. In sports where a player typically specializes on offense or defense (like American footb ...
who was a five-time All-Star while playing for the
Hokkaido Nippon-Ham Fighters The are a Japanese professional baseball team based in Kitahiroshima, Hokkaidō. They compete in the Pacific League of Nippon Professional Baseball, playing the majority of their home games at ES CON Field Hokkaido. The Fighters also host a ...
. Ohtani holds the record for fastest pitch in NPB history at . After signing with the
Los Angeles Angels The Los Angeles Angels are an American professional baseball team based in the Los Angeles metropolitan area. The Angels compete in Major League Baseball (MLB) as a member club of the American League (AL) West division. Since 1966, the team ha ...
, Ohtani won the 2018 AL Rookie of the Year award. In 2021, he became the first player in MLB history to be named an All-Star as both a pitcher and a position player. After the conclusion of the season, Ohtani was unanimously named the AL Most Valuable Player.


Merger and strike of 2004

In September 2004, the professional Japanese players went on strike for the first time in over 70 years. The strike arose from a dispute that took place between the owners of the 12 professional Japanese baseball teams and the players' union (which was led by popular
Yakult Swallows The Tokyo Yakult Swallows () are a Japanese professional baseball team competing in Nippon Professional Baseball's Central League. Based in Shinjuku, Tokyo, they are one of two professional baseball teams based in Tokyo, the other being the Yom ...
player-manager Atsuya Furuta), concerning the merging of the
Osaka Kintetsu Buffaloes The were a Nippon Professional Baseball (NPB) team based in Osaka, Japan, which was in the Pacific League. In 2005 the team was merged with the Orix BlueWave to become the team now known as the Orix Buffaloes. The team played in Fujiidera Stadiu ...
and the
Orix BlueWave , styled as ORIX, is a Japanese diversified financial services group headquartered in Minato, Tokyo, and Osaka, Japan. ORIX offers leasing, lending, rentals, life insurance, real estate financing and development, venture capital, investment an ...
. The owners wanted to get rid of the financially defunct Buffaloes, and merge the two baseball leagues, since teams in the
Central League The or is one of the two professional baseball leagues that constitute Nippon Professional Baseball in Japan. The winner of the league championship plays against the winner of the Pacific League in the annual Japan Series. It currently consist ...
saw much higher profits than the
Pacific League The or is one of the two professional baseball leagues constituting Nippon Professional Baseball in Japan. The winner of the league championship competes against the winner in the Central League for the annual Japan Series. It currently consis ...
, having popular teams such as the
Yomiuri Giants The are a Japanese professional baseball team competing in Nippon Professional Baseball's Central League. Based in Bunkyo, Tokyo, they are one of two professional baseball teams based in Tokyo, the other being the Tokyo Yakult Swallows. They ...
and
Hanshin Tigers The Hanshin Tigers (Japanese: 阪神タイガース ''Hanshin Taigāsu'') are a Nippon Professional Baseball team playing in the Central League. The team is based in Nishinomiya, Hyōgo Prefecture, Japan, and is owned by Hanshin Electric Railwa ...
. After negotiations, the owners agreed to guarantee the survival of the
Chiba Lotte Marines The are a professional baseball team in Japan's Pacific League based in Chiba City, Chiba Prefecture, in the Kantō region, and owned by Lotte Holdings Co., Ltd. History The Marines franchise began in 1950 as the Mainichi Orions, an inaugural ...
and the
Fukuoka Daiei Hawks The are a Japanese professional baseball team based in Fukuoka, Fukuoka Prefecture. They compete in Nippon Professional Baseball (NPB) as a member of the Pacific League. The team was formerly known as the Nankai Hawks and was based in Osaka. ...
, leaving the Central League with six teams and the Pacific League with five. A battle escalated between the players union and the owners, and reached its height when
Yomiuri Giants The are a Japanese professional baseball team competing in Nippon Professional Baseball's Central League. Based in Bunkyo, Tokyo, they are one of two professional baseball teams based in Tokyo, the other being the Tokyo Yakult Swallows. They ...
owner Tsuneo Watanabe controversially remarked that Furuta was "a mere player", implying that players had no say in what league would look like the next year. The dispute received huge press coverage (which mostly favored Furuta and the players' union) and was dubbed one of the biggest events in the history of Japanese baseball. Proposals and amendments concerning interleague games, player drafting, and management were also discussed between the players union and the owners during this period. The strike was originally planned for all Saturday and Sunday games that month, starting from September 11, but was pushed back due to the agreement of another meeting between the union and the owners on September 10. The players decided to strike on September 18–19, 2004, when no progress was made in the negotiations, as there was insufficient time left in the season to hold discussions. The dispute officially ended after the two groups reached consensus on September 23, 2004. As part of the agreement, the Buffaloes were allowed to merge with the Blue Wave (forming into the
Orix Buffaloes The are a Nippon Professional Baseball team formed as a result of the 2004 Nippon Professional Baseball realignment by the merger of the Orix BlueWave of Kobe, Hyōgo Prefecture, Japan, and the Osaka Kintetsu Buffaloes of Osaka, Osaka Prefectur ...
); in addition, the
Rakuten Golden Eagles The , often shortened as the , are a baseball team based in Sendai, Miyagi Prefecture, Japan. It has played in Nippon Professional Baseball's Pacific League since the team's formation in November 2004. The team is owned by the Internet shopping c ...
were newly created (at a reduced "entry fee") to keep the former six-team league structure. Other agreements included the leagues adopting
interleague play Interleague play in Major League Baseball refers to regular-season baseball games played between an American League (AL) team and a National League (NL) team. Interleague play was first introduced during the 1997 Major League Baseball season. Pri ...
to help the Pacific League gain exposure by playing the more popular Central league teams. All these changes took place before the 2005 season.


Interleague play

The two leagues began
interleague play Interleague play in Major League Baseball refers to regular-season baseball games played between an American League (AL) team and a National League (NL) team. Interleague play was first introduced during the 1997 Major League Baseball season. Pri ...
in 2005, with each team playing two three-game series (one home, one away) against each of the six teams in the other league. This was reduced to two two-game series in 2007. All interleague play games are played in a seven-week span near the middle of the season. As of the end of the 2017 season, the Pacific League has won the most games in interleague play since it began in 2005 twelve times, with 2009 being the only time that the Central League has won more games.


League championship series/Climax Series

After 2004, a three-team playoff system was introduced in the
Pacific League The or is one of the two professional baseball leagues constituting Nippon Professional Baseball in Japan. The winner of the league championship competes against the winner in the Central League for the annual Japan Series. It currently consis ...
, dubbed the "Pacific League Championship Series". The teams with the second- and third-best records play in the three-game first stage, with the winner advancing to the five-game final against the top team. The winner becomes the representative of the Pacific League to the Japan Series. Since the Pacific League won every Japan Series after introducing this league playoff system, an identical system was introduced to the
Central League The or is one of the two professional baseball leagues that constitute Nippon Professional Baseball in Japan. The winner of the league championship plays against the winner of the Pacific League in the annual Japan Series. It currently consist ...
in 2007, and the post-season intra-league games were renamed the "
Climax Series The is the current annual playoff system implemented by Japan's Nippon Professional Baseball (NPB). It determines which team from the Central League (CL) and from the Pacific League (PL) will advance to compete for the championship in the Japan ...
" in both leagues. Player statistics and drafting order based on team records are not affected by these postseason games.


Recent history

In 2011
Miyagi Baseball Stadium , officially Miyagi Baseball Stadium, is a baseball stadium located in Miyaginohara Sports Park in Sendai, Miyagi Prefecture, Japan. The 30,508-seat ballpark is owned by the prefecture and operated by Rakuten, which has used it as the home field ...
, home of the Rakuten Eagles, was badly damaged by the Tōhoku earthquake and tsunami. The 2013 season featured a livelier baseball which was secretly introduced into NPB, resulting in a marked increase in home runs league-wide."Ryozo Kato resigns as commish,"
ESPN.com (September 19, 2013).
Tokyo Yakult Swallows The Tokyo Yakult Swallows () are a Japanese professional baseball team competing in Nippon Professional Baseball's Central League. Based in Shinjuku, Tokyo, they are one of two professional baseball teams based in Tokyo, the other being the Yom ...
outfielder
Wladimir Balentien Wladimir Ramon Balentien (; born July 2, 1984), nicknamed "Coco", is a Curaçaoan-Dutch professional baseball outfielder who is currently a free agent. He played in Major League Baseball (MLB) for the Seattle Mariners and Cincinnati Reds, and in ...
broke the NPB single-season home run record of 55, previously held by professional baseball's all-time home run leader
Sadaharu Oh Sadaharu Oh (Japanese: , ''Ō Sadaharu''; born May 20, 1940), also known as Wang Chen-chih (), is a Japanese-born former baseball player and manager Nussbaum, Louis-Frédéric. (2005)"Ō Sadaharu"in ''Japan Encyclopedia'', p. 758. who ...
in 1964,
Tuffy Rhodes Karl Derrick "Tuffy" Rhodes (born August 21, 1968) is a retired American professional baseball player. He played six years in Major League Baseball in the US, and thirteen years in Nippon Professional Baseball (NPB) in Japan. Rhodes is the all-ti ...
in 2001, and
Alex Cabrera Alexander Alberto Cabrera (born December 24, 1971) is a Venezuelan first baseman and right-handed batter who played in 2000 for the Arizona Diamondbacks of Major League Baseball and for 12 seasons in Nippon Professional Baseball. Also played sev ...
in 2002. Balantien finished the season with 60 home runs. Three-term NPB commissioner
Ryōzō Katō is a Japanese lawyer and career diplomat who served as the Japanese Ambassador to the United States from 2001 to 2008. He also served as the Commissioner of Nippon Professional Baseball. Career Kato worked in the Ministry of Foreign Affairs ...
was forced to resign over the scandal when the changed baseball was revealed. Former Prime Minister
Shinzō Abe Shinzo Abe ( ; ja, 安倍 晋三, Hepburn: , ; 21 September 1954 – 8 July 2022) was a Japanese politician who served as Prime Minister of Japan and President of the Liberal Democratic Party (LDP) from 2006 to 2007 and again from 2012 to 20 ...
's ruling Liberal Democratic Party has proposed expanding NPB to 16 total teams by adding two expansion franchises in each of the country's top-tier professional baseball leagues. The goal of such a move would be to energize the economies of the regions receiving the new teams.
Okinawa is a prefecture of Japan. Okinawa Prefecture is the southernmost and westernmost prefecture of Japan, has a population of 1,457,162 (as of 2 February 2020) and a geographic area of 2,281 km2 (880 sq mi). Naha is the capital and largest city ...
,
Shizuoka Shizuoka can refer to: * Shizuoka Prefecture, a Japanese prefecture * Shizuoka (city), the capital city of Shizuoka Prefecture * Shizuoka Airport * Shizuoka Domain, the name from 1868 to 1871 for Sunpu Domain, a predecessor of Shizuoka Prefecture ...
,
Shikoku is the smallest of the four main islands of Japan. It is long and between wide. It has a population of 3.8 million (, 3.1%). It is south of Honshu and northeast of Kyushu. Shikoku's ancient names include ''Iyo-no-futana-shima'' (), '' ...
, and Niigata have been identified as regions that could play host to said teams. The 2020 NPB season was delayed numerous times due to the
COVID-19 pandemic The COVID-19 pandemic, also known as the coronavirus pandemic, is an ongoing global pandemic of coronavirus disease 2019 (COVID-19) caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). The novel virus was first identif ...
. Initially preseason games were set to be played without spectators, but with opening day of March 20 remaining unchanged. With the lifting of states of emergency over major Japanese cities, NPB announced that it would begin its regular season on 19 June behind closed doors. "Warm-up" games began 26 May. The shortened 120-game regular season began on 19 June. On 10 July NPB began allowing a limited number of fans to attend games, with plans to further ease restrictions in the near future. On 19 September, attendance was expanded to a maximum of 20,000 fans per game, or 50% of stadium capacity.


Expatriate baseball players in Japan

For most of its history, NPB regulations imposed "
gaijin is a Japanese word for foreigners and non-Japanese citizens in Japan, specifically being applied to foreigners of non-Japanese ethnicity and those from the Japanese diaspora who are not Japanese citizens. The word is composed of two kanji: and ...
waku", a limit on the number of non-Japanese people per team to two or three—including the manager and/or coaching staff. Even today, a team cannot have more than four foreign players on a 25-man game roster, although there is no limit on the number of foreign players that it may sign. If there are four, they cannot all be pitchers nor all be position players. This limits the cost and competition for expensive players of other nationalities, and is similar to rules in many European sports leagues' roster limits on non-European players. Nonetheless,
expatriate An expatriate (often shortened to expat) is a person who resides outside their native country. In common usage, the term often refers to educated professionals, skilled workers, or artists taking positions outside their home country, either ...
baseball players in Japan have been a feature of the Japanese professional leagues since 1934. Hundreds of foreigners—particularly Americans—have played NPB.
Taiwanese Taiwanese may refer to: * Taiwanese language, another name for Taiwanese Hokkien * Something from or related to Taiwan ( Formosa) * Taiwanese aborigines, the indigenous people of Taiwan * Han Taiwanese, the Han people of Taiwan * Taiwanese people, ...
nationals
Shosei Go Shosei Go (; Japanese: ''Go Shōsei''; June 28, 1916 – June 7, 1987) was a two-way baseball player from Taiwan. Go was a leadoff man who played for the Tokyo Giants (1937–1943, now the Yomiuri Giants), Hanshin Tigers (1944–1949) and Maini ...
and Hiroshi Oshita both starred in the 1940s. American players began to steadily find spots on NPB rosters in the 1960s. American players hold several NPB records, including highest career batting average (
Leron Lee Leron Lee (born March 4, 1948) is an American former professional left fielder. He played eight seasons with the St. Louis Cardinals, Los Angeles Dodgers, Cleveland Indians and San Diego Padres of Major League Baseball (MLB). He then played eleve ...
, .334), highest single-season batting average (
Randy Bass Randy William Bass (born March 13, 1954) is an American politician and former baseball player. He played in Major League Baseball (MLB) and Nippon Professional Baseball (NPB), and served in the Oklahoma Senate. Bass made his MLB debut in 1977, a ...
, .389), and the dubious record of most strikeouts in a season by a hitter (
Ralph Bryant Ralph Wendell Bryant (born May 20, 1961) is a retired Major League Baseball player. He played with the Los Angeles Dodgers in the major leagues, and with the Chunichi Dragons and Kintetsu Buffaloes in Nippon Professional Baseball. He batted left- ...
, 204). Americans rank #3 (
Tuffy Rhodes Karl Derrick "Tuffy" Rhodes (born August 21, 1968) is a retired American professional baseball player. He played six years in Major League Baseball in the US, and thirteen years in Nippon Professional Baseball (NPB) in Japan. Rhodes is the all-ti ...
, 55) and #5 (
Randy Bass Randy William Bass (born March 13, 1954) is an American politician and former baseball player. He played in Major League Baseball (MLB) and Nippon Professional Baseball (NPB), and served in the Oklahoma Senate. Bass made his MLB debut in 1977, a ...
, 54) on the list of most home runs in a season, and #2 in single-season RBI ( Bobby Rose, 153). Curaçaoan
Dutch Dutch commonly refers to: * Something of, from, or related to the Netherlands * Dutch people () * Dutch language () Dutch may also refer to: Places * Dutch, West Virginia, a community in the United States * Pennsylvania Dutch Country People E ...
outfielder
Wladimir Balentien Wladimir Ramon Balentien (; born July 2, 1984), nicknamed "Coco", is a Curaçaoan-Dutch professional baseball outfielder who is currently a free agent. He played in Major League Baseball (MLB) for the Seattle Mariners and Cincinnati Reds, and in ...
holds the NPB single-season home run record with 60 round-trippers in 2013. Koreans have had an impact in the NPB as well, including such standout players as
Lee Seung-yuop Lee Seung-yuop (born 18 August 1976) is a retired baseball player and the current manager of the Doosan Bears. He spent most of his career with the Samsung Lions of the KBO League. At the age of 26, he became the youngest professional baseball ...
,
Sun Dong-yol Sun Dong-yol (; or ; born January 10, 1963) is a South Korean citizen, South Korean retired baseball pitcher and former Manager (baseball), manager. He was a pitcher in the KBO League and Nippon Professional Baseball, and the former manager ...
,
Baek In-chun Baek In-chun (born November 27, 1943) is a retired Korean baseball player. Baek spent most of his career playing in Nippon Professional Baseball. He finished his career in Korea with the KBO League and then got into managing. Baek holds the KBO r ...
,
Lee Jong-beom Lee Jong-beom ( ko, 이종범, Hanja: 李鍾範; born August 15, 1970) is a former South Korean professional baseball player who played for the Kia Tigers (formerly the Haitai Tigers) in the KBO League and the Chunichi Dragons in Japan from 19 ...
, and Dae-ho Lee.
Venezuelans Venezuelans (Spanish: ''venezolanos'') are the citizens identified with the country of Venezuela. This connection may be through citizenship, descent or cultural. For most Venezuelans, many or all of these connections exist and are the source of ...
Alex Ramírez Alexander Ramón Ramírez Quiñónez (born 3 October 1974) is a Venezuelan-born Japanese former professional baseball outfielder who had a long career in Nippon Professional Baseball (NPB). He is the first foreign-born player to record 2 ...
,
Alex Cabrera Alexander Alberto Cabrera (born December 24, 1971) is a Venezuelan first baseman and right-handed batter who played in 2000 for the Arizona Diamondbacks of Major League Baseball and for 12 seasons in Nippon Professional Baseball. Also played sev ...
,
Bobby Marcano Roberto "Bobby" Marcano Cherubini (June 7, 1951 – November 13, 1990) was a Venezuelan professional baseball player who made a name for himself playing in Nippon Professional Baseball (NPB) and for Tiburones de La Guaira in the Venezuelan Wi ...
, and
Roberto Petagine Roberto Antonio Petagine Hernandez (; born June 2, 1971) is a retired professional baseball player of Italian descent. His Major League Baseball career includes brief stints with the Houston Astros (1994), San Diego Padres (1995), New York Met ...
all had long, successful NPB careers. The Dominican third baseman José Fernández played eleven years in the NPB, compiling a .282 batting average with 206 home runs and 772 runs batted in. Many of the most celebrated foreign players came to Japan after not finding success in the Major Leagues; see " Big in Japan". Since the 1970s, foreigners have also made an impact in Nippon Professional Baseball's managing and coaching ranks, with Americans
Bobby Valentine Robert John Valentine (born May 13, 1950), nicknamed "Bobby V", is an American former professional baseball player and manager. He also served as the athletic director at Sacred Heart University. Valentine played for the Los Angeles Dodgers (1 ...
and
Trey Hillman Thomas Brad "Trey" Hillman (born January 4, 1963) is an American professional baseball coach. He has also served as the manager of the Hokkaido Nippon Ham Fighters in Japan's Pacific League, the Kansas City Royals in the American League and the SK ...
managing their respective teams to
Japan Series The Japan Series ( , officially the Japan Championship Series, ), also the Nippon Series, :File:2014_JS_logo.png is the annual championship series in Nippon Professional Baseball, the top baseball league in Japan. It is a best-of-seven series ...
championships.


Teams

Note: The
Tokyo Yakult Swallows The Tokyo Yakult Swallows () are a Japanese professional baseball team competing in Nippon Professional Baseball's Central League. Based in Shinjuku, Tokyo, they are one of two professional baseball teams based in Tokyo, the other being the Yom ...
have plans to build a new stadium, located next to its current stadium, in 2030.


Franchise locations

Locations are listed from north to south. Only the most prominent names of each franchise are listed.


Champions


Awards

*
Nippon Professional Baseball Most Valuable Player Award The is an annual Nippon Professional Baseball (NPB) award given to two outstanding players, one each for the Central League (CL) and Pacific League (PL). Each league's award is voted on by national baseball writers. Each voter selects three play ...
*
Nippon Professional Baseball Rookie of the Year Award The Nippon Professional Baseball Rookie of the Year Award is given to one player in each league of Central League and Pacific League. Winners Central League Pacific League See also * Nippon Professional Baseball#Awards * Baseball awards#Japa ...
*
Nippon Professional Baseball Comeback Player of the Year Award The Nippon Professional Baseball Comeback Player of the Year Award is given to one player in each league of Central League and Pacific League. NPB Comeback Player of the Year Award See also * Nippon Professional Baseball#Awards * Baseball awards ...
*
Eiji Sawamura Award The , commonly known as the Sawamura Award, is an honor bestowed upon the top starting pitcher in Nippon Professional Baseball each year. The award was originally established by Japanese magazine "Nekkyū" in 1947 to honor the career of Eiji Sawa ...
(starting pitcher of the year) *
Mitsui Golden Glove Award The Mitsui Golden Glove Award, sponsored by Japan's Mitsui Group, is annually awarded to nine fielders in Japan's professional baseball leagues by the Nippon Professional Baseball Association. The players are selected based on votes by TV, radio ...
*
Golden Spirit Award The Golden Spirit Award is given annually to the Nippon Professional Baseball (NPB) player who "best exemplifies the game of baseball, sportsmanship, community involvement and the individual's contribution to his team", as voted on by members of th ...
*
Matsutaro Shoriki Award Matsutaro Shoriki Award is named in honor of Matsutarō Shōriki, the owner of the Yomiuri Shimbun, whose achievements earned him the label of the real parent of present day Japanese professional baseball. The prize was founded in 1977. It is pres ...
*
Japan Series The Japan Series ( , officially the Japan Championship Series, ), also the Nippon Series, :File:2014_JS_logo.png is the annual championship series in Nippon Professional Baseball, the top baseball league in Japan. It is a best-of-seven series ...
Most Valuable Player *
Nippon Professional Baseball All-Star Game The Nippon Professional Baseball All-Star Game is an annual baseball series of All-Star Games (in most years, two games are played, but three such games can and have been played as well) between players from the Central League and the Pacific Leag ...
Most Valuable Player


Records


Single season batting

a Harimoto is a Korean citizen who was born and grew up in Japan (see
Zainichi Korean comprise ethnic Koreans who have permanent residency status in Japan or who have become Japanese citizens, and whose immigration to Japan originated before 1945, or who are descendants of those immigrants. They are a group distinct from South ...
).
b As all Curaçaoans have
Dutch citizenship Dutch nationality law details the conditions by which a person holds Dutch nationality. The primary law governing these requirements is the Dutch Nationality Act, which came into force on 1 January 1985. Regulations apply to the entire Kingdom o ...
and Balentien has represented the
Netherlands ) , anthem = ( en, "William of Nassau") , image_map = , map_caption = , subdivision_type = Sovereign state , subdivision_name = Kingdom of the Netherlands , established_title = Before independence , established_date = Spanish Netherl ...
internationally, he is listed here as Dutch.
c Despite being born in Japan, Oh was a citizen of the
Republic of China Taiwan, officially the Republic of China (ROC), is a country in East Asia, at the junction of the East and South China Seas in the northwestern Pacific Ocean, with the People's Republic of China (PRC) to the northwest, Japan to the northeast ...
(his father's nationality) instead of Japan.
d Ramirez did not have Japanese citizenship until 2019 and so is listed as the nationality he was during his playing career.


Single season pitching

d The Japanese record is 0.73, set by
Hideo Fujimoto (also known as Hideo Nakagami) (May 10, 1918 – April 26, 1997) was a Japanese baseball pitcher. He holds the Japanese records for lowest career ERA (1.90) and seasonal ERA (0.73), as well as best all-time winning percentage (.697). During his ...
in the 1943
Japanese Baseball League was a professional baseball league in Japan which operated from 1936 to 1949, before reorganizing in 1950 as Nippon Professional Baseball. The league's dominant team was Tokyo Kyojin (renamed the Yomiuri Giants in 1947), which won nine league c ...
season, which is also the world record ERA, surpassing Tim Keefe's 0.86 of the
Troy Trojans The Troy Trojans are the sports teams of Troy University. They began playing in the NCAA's Division I-A in 2001, became a football only member of the Sun Belt Conference in 2004, and joined that conference for all other sports in 2005. Troy Univer ...
in 1880.
e The Japanese record is shared between Inao and Victor Starffin, who also recorded 42 wins during the 1942
Japanese Baseball League was a professional baseball league in Japan which operated from 1936 to 1949, before reorganizing in 1950 as Nippon Professional Baseball. The league's dominant team was Tokyo Kyojin (renamed the Yomiuri Giants in 1947), which won nine league c ...
season.
f Despite being born in Japan, Kaneda did not become a Japanese citizen until 1959 and was instead a South Korean citizen.


Career batting


Career pitching


ERA champions


Perfect games

* †: 5th game of
Japan Series The Japan Series ( , officially the Japan Championship Series, ), also the Nippon Series, :File:2014_JS_logo.png is the annual championship series in Nippon Professional Baseball, the top baseball league in Japan. It is a best-of-seven series ...
; In NPB, no-hitters or perfect games achieved by multiple pitchers in one game are considered unofficial. However, it is recognized by the WBSC (World Baseball Softball Confederation, the international governing body of baseball) as a perfect game.


International play

Since
1986 The year 1986 was designated as the International Year of Peace by the United Nations. Events January * January 1 ** Aruba gains increased autonomy from the Netherlands by separating from the Netherlands Antilles. **Spain and Portugal ente ...
an All-Star team from
Major League Baseball Major League Baseball (MLB) is a professional baseball organization and the oldest major professional sports league in the world. MLB is composed of 30 total teams, divided equally between the National League (NL) and the American League (AL), ...
(MLB) is sent to a biennial end-of-the-season tour of Japan, dubbed as
MLB Japan All-Star Series The MLB Japan All-Star Series is an irregular end-of-the-season tour of Japan made by an All-Star team from Major League Baseball (MLB) since 1986, contested in a best-of format against the All-Stars from Nippon Professional Baseball (NPB) or ...
, playing exhibition games in a best-of format against the All-Stars from NPB or recently as of
2014 File:2014 Events Collage.png, From top left, clockwise: Stocking up supplies and personal protective equipment (PPE) for the Western African Ebola virus epidemic; Citizens examining the ruins after the Chibok schoolgirls kidnapping; Bundles of wat ...
the national team Samurai Japan. The 2014 series also celebrated the 80th anniversary of the establishment of Japan's professional baseball by holding an exhibition game of a joint team of Hanshin Tigers and Yomiuri Giants against the MLB All-Stars at the
Koshien Stadium , commonly referred to as simply Koshien Stadium, is a baseball park located near Kobe, Hyōgo, Kobe in Nishinomiya, Hyōgo Prefecture, Japan. The stadium was built to host the High school baseball in Japan, national high school baseball tourn ...
on November 11, 2014.


Agreement and systems

*
Nippon Professional Baseball Agreement is an agreement that the Nippon Professional Baseball Organization stipulates all NPB regulations, such as player contracts, draft and commissioner authority. Summary Nippon Professional Baseball Agreement came into effect on June 21, and is be ...
*
Nippon Professional Baseball rosters A Nippon Professional Baseball roster is a list of players who are allowed by NPB Agreement to play in Nippon Professional Baseball's first leagues, the Central League and the Pacific League (NPB Agreement, Article 81). This list is created from e ...
* Registration of players under control * Developmental player system *
Nippon Professional Baseball draft The Nippon Professional Baseball Draft Meeting is a conference held by the Nippon Professional Baseball Organization (NPB) to select rookie players. The official name of the conference is the Rookie Selection Meeting. Since , the Grand Prince Hot ...


See also

* Comparison of Major League Baseball and Nippon Professional Baseball *
High school baseball in Japan High may refer to: Science and technology * Height * High (atmospheric), a high-pressure area * High (computability), a quality of a Turing degree, in computability theory * High (tectonics), in geology an area where relative tectonic uplift to ...
*
Japanese Baseball Hall of Fame The is a museum which includes a library, reference rooms and . It first opened in 1959 next door to Korakuen Stadium in Tokyo, Japan. In 1988, the museum moved to a new site within the Tokyo Dome. The Hall of Fame and Museum was created as ...
* List of Japanese baseball players *
List of Japanese players in Major League Baseball A total of 64 Japanese-born players have played in at least one Major League Baseball (MLB) game. Of these players, five are currently on MLB rosters. The first instance of a Japanese player playing in MLB occurred in 1964, when the Nankai H ...
*
Shikoku Island League Plus The is an independent professional baseball league on the island of Shikoku in Japan. (None of the teams in Nippon Professional Baseball are based in Shikoku.) The league currently has four teams, and has its league headquarters in Takamatsu. Th ...
(Regional professional league) * List of Nippon Professional Baseball mascots


References


Further reading

* * * *


External links

* *
Official website

Japan Baseball Hall of Fame and Museum

MLB history of Puro Yakyū page
{{Authority control 1950 establishments in Japan 1 Sports leagues established in 1950 Professional sports leagues in Japan