There are 4 Japanese MLB players played for the Pittsburgh Pirates
Yoshitomo
Tsutsugo
OF/DH 
Pittsburgh Pirates
(Tampa Bay Rays, Yokohama DeNA BayStars, Pittsburgh Pirates, Los Angeles Dodgers)
筒香嘉智 (つつごう・よしとも)
Bats: L Throws: R
Current Age 32
6-0, 225lb (183cm, 102kg)
MLB Debut:
2020-07-24 (28)
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 49
5-10, 180lb (178cm, 81kg)
MLB Debut:
2010-04-07 (35)
Masumi
Kuwata
(Yomiuri Giants, Pittsburgh Pirates)
桑田真澄 (くわた・ますみ)
Bats: R Throws: R
Current Age 56
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 45
5-9, 200lb (175cm, 90kg)
MLB Debut:
2007-04-02 (28)