There are 7 Japanese MLB players played for the Tokyo Yakult Swallows

Norichika
Aoki

OF Milwaukee Brewers

(Milwaukee Brewers, Kansas City Royals, San Francisco Giants, Seattle Mariners, Houston Astros, Toronto Blue Jays, New York Mets, Tokyo Yakult Swallows)

青木宣親 (あおき・のりちか)

Bats: L Throws: R

Current Age 39

5-9, 180lb (175cm, 81kg)

MLB Debut:
2012-04-06 (30)

Ryota
Igarashi

RHP New York Mets

(New York Mets, Toronto Blue Jays, New York Yankees, Tokyo Yakult Swallows, Fukuoka SoftBank Hawks)

五十嵐亮太 (いがらし・りょうた)

Bats: R Throws: R

Current Age 42

5-11, 200lb (180cm, 90kg)

MLB Debut:
2010-04-08 (30)

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)

Shingo
Takatsu

RHP Chicago White Sox

(Chicago White Sox, New York Mets, Tokyo Yakult Swallows)

高津臣吾 (たかつ・しんご)

Bats: R Throws: R

Current Age 52

6-0, 180lb (183cm, 81kg)

MLB Debut:
2004-04-09 (35)

Kazuhisa
Ishii

LHP Los Angeles Dodgers

(Tokyo Yakult Swallows, Los Angeles Dodgers, New York Mets, Saitama Seibu Lions)

石井一久 (いしい・かずひさ)

Bats: L Throws: L

Current Age 47

6-0, 215lb (183cm, 97kg)

MLB Debut:
2002-04-06 (28)

Masao
Kida

RHP Detroit Tigers

(Detroit Tigers, Los Angeles Dodgers, Seattle Mariners, Yomiuri Giants, ORIX Buffaloes, Tokyo Yakult Swallows, Hokkaido Nippon Ham Fighters)

木田優夫 (きだ・まさお)

Bats: R Throws: R

Current Age 52

6-3, 210lb (190cm, 95kg)

MLB Debut:
1999-04-05 (30)

Masato
Yoshii

RHP New York Mets

(New York Mets, Colorado Rockies, Montreal Expos, Osaka Kintetsu Buffaloes, Tokyo Yakult Swallows, ORIX Buffaloes)

吉井理人 (よしい・まさと)

Bats: R Throws: R

Current Age 56

6-2, 210lb (188cm, 95kg)

MLB Debut:
1998-04-05 (32)