is a retired Japanese

Japanese people

The are an ethnic group originating in the Japanese archipelago and are the predominant ethnic group of Japan. Worldwide, approximately 130 million people are of Japanese descent; of these, approximately 127 million are residents of Japan. People of Japanese ancestry who live in other countries...

 professional baseball player from Itabashi, Tokyo

Itabashi, Tokyo

is one of the 23 special wards of Tokyo, Japan. In English, it calls itself Itabashi City. Itabashi has sister-city relations with Burlington, Ontario in Canada; Shijingshan District in Beijing, People's Republic of China; and Bologna in Italy....

, Japan

Japan

Japan is an island nation in East Asia. Located in the Pacific Ocean, it lies to the east of the Sea of Japan, China, North Korea, South Korea and Russia, stretching from the Sea of Okhotsk in the north to the East China Sea and Taiwan in the south...

. He played for the Osaka Kintetsu Buffaloes, Orix BlueWave, and Tohoku Rakuten Golden Eagles

Tohoku Rakuten Golden Eagles

The is a baseball team founded in 2004; it played its first season in the Japanese Pacific League in 2005. It is simply called Rakuten . The team was created to fill the void left by the merger of the Orix Blue Wave and the Kintetsu Buffaloes, after the 2004 season due to financial difficulties,...

 during his professional career, and currently works as a minor league hitting coach for the Orix Buffaloes

Orix Buffaloes

The are a Nippon Professional Baseball team based in Osaka and Kobe, Japan. They play in the Pacific League. The team is owned by the Orix Group, a leading diversified financial services company based in Tokyo....

.

Oshima was a valuable switch hitter and a solid fielder, winning three Japanese golden glove awards at second base, and two Best Nine awards. He dismissed an offer to work as a coach when the Osaka Kintetsu Buffaloes and Orix BlueWave merged, and played a season with the Tohoku Rakuten Golden Eagles

Tohoku Rakuten Golden Eagles

The is a baseball team founded in 2004; it played its first season in the Japanese Pacific League in 2005. It is simply called Rakuten . The team was created to fill the void left by the merger of the Orix Blue Wave and the Kintetsu Buffaloes, after the 2004 season due to financial difficulties,...

 before becoming a coach for the Orix Buffaloes

Orix Buffaloes

The are a Nippon Professional Baseball team based in Osaka and Kobe, Japan. They play in the Pacific League. The team is owned by the Orix Group, a leading diversified financial services company based in Tokyo....

 in 2006.

He won a bronze medal in the 1992 Summer Olympics

1992 Summer Olympics

The 1992 Summer Olympic Games, officially known as the Games of the XXV Olympiad, were an international multi-sport event celebrated in Barcelona, Catalonia, Spain, in 1992. The International Olympic Committee voted in 1986 to separate the Summer and Winter Games, which had been held in the same...

before entering the Japanese professional leagues.