There are 3 Japanese MLB players played for the Pittsburgh Pirates

Hisanori
Takahashi

LHP New York Mets

(New York Mets, Los Angeles Angels, Pittsburgh Pirates, Chicago Cubs, Yomiuri Giants, Yokohama DeNA BayStars)

高橋尚成 (たかはし・ひさのり)

Bats: L Throws: L

Current Age 46

5-10, 180lb (178cm, 81kg)

MLB Debut:
2010-04-07 (35)

Masumi
Kuwata

RHP Pittsburgh Pirates

(Yomiuri Giants, Pittsburgh Pirates)

桑田真澄 (くわた・ますみ)

Bats: R Throws: R

Current Age 53

5-10, 185lb (178cm, 83kg)

MLB Debut:
2007-06-10 (39)

Akinori
Iwamura

2B/3B Tampa Bay Rays

(Tampa Bay Rays, Pittsburgh Pirates, Oakland Athletics, Tokyo Yakult Swallows, Tohoku Rakuten Golden Eagles)

岩村明憲 (いわむら・あきのり)

Bats: L Throws: R

Current Age 42

5-9, 200lb (175cm, 90kg)

MLB Debut:
2007-04-02 (28)