Wei-Yin Chen (Chinese: 陳偉殷; pinyin: Chén Wěiyīn; born July 21, 1985) is a Taiwanese professional baseball pitcher for the Miami Marlins of Major League Baseball (MLB). He previously played in the MLB for the Baltimore Orioles and in the Nippon Professional Baseball (NPB) for the Chunichi Dragons.\n', '

Wei-Yin Chen was born in Kaohsiung County, Taiwan. He attended Ciao-Tou Junior High School and Kaoyuan Vocational High School, which was also attended by former Major League pitcher Tsao Chin-Hui and several other Chinese Professional Baseball League players.\n', '

He was a pitcher for the Chunichi Dragons in Nippon Professional Baseball (NPB) from 2004 through 2011. Chen had Tommy John surgery at the end of 2006 season. His best season in Japan came in 2009 when he posted a 1.54 earned run average (ERA) to lead the league. When he came out of the Nippon League, FanGraphs described him as being an extreme control pitcher with poor velocity. A clause implemented into his contract with Chunichi allowed him to opt out after the 2011 season at age 26.\n', '

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