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|Yokohama DeNA BayStars|
|Ballpark||Yokohama Stadium (1978–present)|
|Central League pennants||3 (1960, 1998, 2017)|
|Japan Series championships||2 (1960, 1998)|
|Ownership||DeNA Co., Ltd.|
|General Manager||Shigeru Takada|
The Yokohama DeNA BayStars (横浜DeNAベイスターズ Yokohama Dī-Enu-Ē Beisutāzu) are a professional baseball team in the Japanese Central League. Their home field is Yokohama Stadium, located in central Yokohama. The clubhouse is located near the stadium. The team has been known by several names since becoming a professional team in 1950. It adopted its current name in 2011 when the club was purchased by software company DeNA.
The team began as the Taiyo Fishing Company, an amateur team currently affiliated with the Maruha Corporation (presently Maruha Nichiro). The team began to appear in national tournaments in the 1930s and won the National Sports Festival in 1948, giving it national recognition. In the 1949 off-season, the Japanese professional baseball league drastically expanded itself and many players from the Taiyo amateur team were recruited to join the professional leagues. The owner of the Taiyo company decided to join the newly expanded Central League, which was established in 1950. The team's first professional incarnation was as the Maruha Team. The franchise was based in Shimonoseki, Yamaguchi.
The team name was changed to the Taiyō Whales (大洋ホエールズ Taiyō Hoeeruzu) shortly after the start of the 1950 season. The Whales received several veteran players from the Yomiuri Giants to compensate for their lack of players, but ended up in the bottom half of the standings each year.
In 1952, it was decided that teams ending the season with a winning percentage below .300 would be disbanded or merged with other teams. The Shochiku Robins fell into this category, and were merged with the Taiyo Whales to become the Taiyō-Shochiku Robins (大洋松竹ロビンス Taiyō Shōchiku Robinsu) in January, 1953. However, the team's re-organization was not completed in time for the 1953 season, and the team ended up continuing its offices in both Shimonoseki and Kyoto. Home games took place in Osaka for geographical reasons, and the team's finances were managed by both the Taiyo and Shochiku companies until the franchise was officially transferred to Osaka in 1954 to become the Yō-Shō Robins (洋松ロビンス Yō-Shō Robinsu).
The Shochiku company discontinued its support in December, 1954, and the team name returned to the Taiyo Whales. The franchise moved to Kawasaki, Kanagawa, and obtained an exclusive home field, (Kawasaki Stadium), but ended up in last place six years in a row from 1954–1959.
In 1960, the team recruited Osamu Mihara, who had been manager of the Nishitetsu Lions the previous year. Mihara led the team to its first pennant in 1960, and swept the Pacific League champions in the Japanese championship series. The team had been in last place the previous year.
However, this success did not last long, and the team quickly fell back into last place in 1961. The Whales made a comeback in 1962, but trailed four games behind the Hanshin Tigers to end up in second place. They lost the league championship again to the Tigers in 1964, only one game (.008 winning percentage) away from first place.
The team produced countless star players during the 1970s, but rarely ended the season above the .500 mark. The small Kawasaki Stadium made the Whales one of the most offensively productive teams in Japanese baseball history, but a weak pitching staff, and lack of financial support put the team out of serious contention.
By 1976, the team had been planning on moving from Kawasaki to Yokohama, and support from the mayor of Yokohama allowed the team to gain financial support from the Kokudo Company. 55% of the team's share was retained by Taiyo, and the other 45% went to Kokudo.
The team moved to Yokohama Stadium in central Yokohama. The team name was changed to the Yokohama Taiyō Whales (横浜大洋ホエールズ Yokohama Taiyō Hoeeruzu) to reflect the team's new home town. The Kokudo Company sold its shares of the team to the Nippon Broadcasting System and TBS. The Nippon Broadcasting System obtained 30% of the shares, and TBS bought 15%, while Taiyo kept its 55%. The team enjoyed far more popularity during this period than in previous years, but continued to post only meager results in the standings, with their best placing being in 1979, when they finished second behind the Hiroshima Toyo Carp.
In November, 1992, Taiyo changed its name to the Maruha Corporation, and renamed the team as the Yokohama BayStars (横浜ベイスターズ Yokohama Beisutāzu). The BayStars were the last Japanese professional baseball team to not include the name of the parent company into the team name.
Originally, the team was going to be renamed the Yokohama Whales, but new restrictions on whaling convinced the company to drop the original name. Some superstitious fans had believed that dead whales put a curse onto the team (the Maruha Corporation was famous for its whale meat products), preventing the Whales from winning championships. In his visit to the United States, Japanese Prime Minister Kiichi Miyazawa remarked to former president Bill Clinton (who had proposed international restriction on whaling) that the Maruha Corporation's decision was reflective of Japan's change in attitude towards whaling.
The BayStars remained a non-contender during the early 1990s, but gradually assembled the players that would contribute to the team's championship in 1998. Akihiko Ohya became manager in 1996, and almost caught up to the Yakult Swallows in 1997, ending in second place. Hiroshi Gondo (a pitching coach the previous year) became manager in 1998, and the BayStars won their first league championship in 38 years in 1998, defeating the Seibu Lions to win the Japanese championship series. The team's consistent hitting, impeccable defense, (players from the BayStars won five golden glove awards in 1998) and solid pitching staff (rounded by closer Kazuhiro Sasaki) contributed to an epic 1998 season. The BayStars' offense in the '98 season became known as the "Machine Gun Offense" because of the quick succession of hits the Yokohama batters would get (mostly singles), and no game was ever over until the final out was recorded.
The team dropped to third place in 1999 despite having the best offense in Japan and also setting a league record for team batting average at .294, and has not been in serious contention for the championship ever since. In 2001, the Maruha Corporation sold its remaining shares to TBS, giving TBS full control of the team's finances. Akihiko Ohya returned in 2007 after leaving the team in 1997. In 2009 the team finished at the bottom of the league despite having a few young stars on the team like slugger Shuichi Murata and league batting champion Seiichi Uchikawa, and also having the pitching of Daisuke Miura and the signing of foreign star Ryan Glynn.
On May 18, 2009, The BayStars' management announced that it has fired Ohya and appointed Tomio Tashiro as acting manager.
In 2011, the franchise was acquired by a mobile telephone game company DeNA. The name was changed to reflect this, and they changed their mascot from Hosshey to Starman, who wore the new uniform.
In October 2015 Alex Ramírez, a former BayStars player and the only foreign-born player to have 2,000 hits in Japanese baseball, was named as manager for the 2016 season. He replaced Kiyoshi Nakahata, who resigned at the end of 2015 to take responsibility for the club's poor performance. In 2016, Yokohama DeNA BayStars completed the regular season in the third place (69–71–3) with a winning percentage of .493, 19.5 games behind the league leader Hiroshima Toyo Carp (89–52–3, .631). Defeating the second place Yomiuri Giants (2-1) in Climax Series Stage 2 (best of three), Yokohama DeNA BayStars advanced to Climax Series Stage 1 but the league leader Hiroshima Toyo Carp beat Yokohama DeNA Baystars (4-1) to become Central League Champions. In 2017, Yokohama DeNA BayStars completed the regular season in the third place (73–65–5, .529) 14.5 games behind the league leader Hiroshima Toyo Carp (88–51–4, .633). Their .252 team batting average and 134 home runs were both second best in the Central League. In Climax Series Stage 2, Yokohama DeNa BayStars defeated the second place Hanshin Tigers (2-1) and advanced to Climax Series Stage 1. Although losing the first game against Hiroshima Toyo Carp, Yokohama DeNA BayStars won next four games (4-1) to become 2017 Central League Climax Series Champions for the first time in 19 years since 1998. José López was the most valuable player (MVP) of the Central League Climax Series. The BayStars advanced to the 2017 Japan Series against the Pacific League Champion Fukuoka Softbank Hawks. The Hawks won the first three games of the series. Facing elimination, the BayStars won Games 4 and 5. Returning home, the Hawks, trailing 3–2 in the ninth inning, Uchikawa hit a game-tying solo home run off of Yokohama DeNA BayStar's star closer, Yamasaki. Keizo Kawashima hit the walk-off RBI single for SoftBank in the eleventh inning for the title. Winning Game 6, the Hawks won the series, 4–2. Hawks' pitcher Dennis Sarfate, with two saves and a Game 6 win, was named the Japan Series Most Valuable Player (MVP). Toshiro Miyazaki won the Fighting Spirit Award, given to the best player on the losing team. It was the first Japan Series loss for the team.
|1950||Taiyo Whales||5th||Tairiku Watanabe (渡辺大陸)|
|1951||Taiyo Whales||6th||Haruyasu Nakajima (中島治康)
Giichi Arima (有馬義一)
|1952||Taiyo Whales||4th||Tokuro Konishi (小西得郎)|
|1953||Taiyo Shochiku Robins||5th|
|1954||Yosho Robins||6th||Takeo Nagasawa (永沢武夫)|
|1955||Taiyo Whales||6th||Isamu Fujii (藤井勇)|
|1956||Taiyo Whales||6th||Masami Sakohata (迫畑正巳)|
|1959||Taiyo Whales||6th||Shigeo Mori (森茂雄)|
|1960||Taiyo Whales||1st (Won Japan Series)||Osamu Mihara (三原脩)|
|1968||Taiyo Whales||5th||Kaoru Betto (別当薫)|
|1975||Taiyo Whales||5th||Noboru Akiyama (秋山登)|
|1977||Taiyo Whales||6th||Kaoru Betto (別当薫)|
|1978||Yokohama Taiyo Whales||4th|
|1979||Yokohama Taiyo Whales||2nd|
|1980||Yokohama Taiyo Whales||4th||Kiyoshi Doi (土井淳)|
|1981||Yokohama Taiyo Whales||6th|
|1982||Yokohama Taiyo Whales||5th||Junzo Sekine (関根潤三)|
|1983||Yokohama Taiyo Whales||3rd|
|1984||Yokohama Taiyo Whales||6th|
|1985||Yokohama Taiyo Whales||4th||Sadao Kondoh (近藤貞雄)|
|1986||Yokohama Taiyo Whales||4th|
|1987||Yokohama Taiyo Whales||5th||Takeshi Koba (古葉竹識)|
|1988||Yokohama Taiyo Whales||4th|
|1989||Yokohama Taiyo Whales||6th|
|1990||Yokohama Taiyo Whales||3rd||Yutaka Sudoh (須藤豊)|
|1991||Yokohama Taiyo Whales||5th|
|1992||Yokohama Taiyo Whales||5th||Yutaka Sudoh (須藤豊)
Akira Ejiri (江尻亮)
|1993||Yokohama Baystars||5th||Akihito Kondoh (近藤貞雄)|
|1996||Yokohama Baystars||5th||Akihiko Ohya (大矢明彦)|
|1998||Yokohama Baystars||1st (won Japan Series)||Hiroshi Gondoh (権藤博)|
|2001||Yokohama Baystars||3rd||Masaaki Mori (森祇晶)|
|2003||Yokohama Baystars||6th||Daisuke Yamashita (山下大輔)|
|2005||Yokohama Baystars||3rd||Kazuhiko Ushijima (牛島和彦)|
|2007||Yokohama Baystars||4th||Akihiko Ohya (大矢明彦)|
|2009||Yokohama Baystars||6th||Akihiko Ohya (大矢明彦)
Tomio Tashiro (田代富雄)
|2010||Yokohama Baystars||6th||Takao Obana (尾花高夫)|
|2012||Yokohama DeNA BayStars||6th||Kiyoshi Nakahata (中畑清)|
|2013||Yokohama DeNA BayStars||5th|
|2014||Yokohama DeNA BayStars||5th|
|2015||Yokohama DeNA BayStars||6th|
|2016||Yokohama DeNA BayStars||3rd||Alex Ramirez (アレックス・ラミレス)|
|2017||Yokohama DeNA BayStars||Climax Series Champions 3rd|
Yokohama DeNA BayStars roster
|First squad||Second squad|
Manager Alex Ramírez
Updated December 3, 2017
They have been represented by various star-themed characters such as: