There are 5 Japanese MLB players played for the Tampa Bay Rays
Naoyuki
Uwasawa
RHP 
Boston Red Sox
(Hokkaido Nippon Ham Fighters, Tampa Bay Rays, Boston Red Sox , Fukuoka SoftBank Hawks)
上沢直之 (うわさわ・なおゆき)
Bats: R Throws: R
Current Age 31
(187cm, 88kg)
MLB Debut:
2024-05-02 (30)
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 33
6-0, 225lb (183cm, 102kg)
MLB Debut:
2020-07-24 (28)
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 46
5-9, 200lb (175cm, 90kg)
MLB Debut:
2007-04-02 (28)
Hideki
Matsui
LF/DH 
New York Yankees
(New York Yankees, Los Angeles Angels, Oakland Athletics, Tampa Bay Rays, Yomiuri Giants)
松井秀喜 (まつい・ひでき)
Bats: L Throws: R
Current Age 50
6-2, 210lb (188cm, 95kg)
MLB Debut:
2003-03-31 (28)
Hideo
Nomo
(Los Angeles Dodgers, New York Mets, Osaka Kintetsu Buffaloes, Milwaukee Brewers, Detroit Tigers, Boston Red Sox , Tampa Bay Rays, Kansas City Royals)
野茂英雄 (のも・ひでお)
Bats: R Throws: R
Current Age 56
6-2, 210lb (188cm, 95kg)
MLB Debut:
1995-05-02 (26)