Chien-Wen Su (蘇建文)
Chien-Wen Su became an umpire in the Chinese Professional Baseball League in 1992. He umpired the Taiwan Series in 1993, 1996, 1998 through 2007 and 2009 as well as the 2006 Asia Series and 2015 Premier 12. As the home plate umpire in game seven of the 2009 Taiwan Series, Su ejected two players.
He umpired Pool B games in Tokyo, Japan in the 2017 World Baseball Classic.
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