Tsuyoshi Nishioka (西岡 剛 Nishioka Tsuyoshi, born July 27, 1984) is a Japanese professional baseball infielder who plays for the Hanshin Tigers in Nippon Professional Baseball's (NPB) Central League. He previously played in NPB for the Chiba Lotte Marines from 2003 through 2010, and for the Minnesota Twins of Major League Baseball from 2011 through 2012.
Nishioka played in the 2006 World Baseball Classic as well as the 2008 Beijing Olympics as a member of the Japanese national team. In 2010, he became the fifth person to record 200 hits in a single NPB season.
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