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There are 1 Japanese MLB players played for the Washington Nationals
Tomokazu
Ohka
RHP 
Boston Red Sox
(Boston Red Sox , Montreal Expos, Washington Nationals, Milwaukee Brewers, Toronto Blue Jays, Cleveland Indians, Yokohama DeNA BayStars)
大家友和 (おおか・ともかず)
Bats: S Throws: R
Current Age 48
6-1, 205lb (185cm, 92kg)
MLB Debut:
1999-07-19 (23)