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 45

6-1, 205lb (185cm, 92kg)

MLB Debut:
1999-07-19 (23)