There are 11 Japanese MLB players played for the Seattle Mariners

Yusei
Kikuchi

LHP Seattle Mariners

(Saitama Seibu Lions, Seattle Mariners)

菊池雄星 (きくち・ゆうせい)

Bats: L Throws: L

Current Age 30

6-0, 194lb (183cm, 87kg)

MLB Debut:
2019-03-21 (27)

Yoshihisa
Hirano

RHP Arizona Diamondbacks

(Arizona Diamondbacks, Seattle Mariners, ORIX Buffaloes)

平野佳寿 (ひらの・よしひさ)

Bats: R Throws: R

Current Age 37

6-1, 185lb (185cm, 83kg)

MLB Debut:
2018-03-29 (34)

Hisashi
Iwakuma

RHP Seattle Mariners

(Seattle Mariners, Tohoku Rakuten Golden Eagles)

岩隈久志 (いわくま・ひさし)

Bats: R Throws: R

Current Age 40

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

MLB Debut:
2012-04-20 (31)

Munenori
Kawasaki

INF Toronto Blue Jays

(Seattle Mariners, Toronto Blue Jays, Chicago Cubs, Fukuoka SoftBank Hawks)

川崎宗則 (かわさき・むねのり)

Bats: L Throws: R

Current Age 40

5-11, 175lb (180cm, 79kg)

MLB Debut:
2012-04-07 (30)

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)

Kenji
Johjima

C Seattle Mariners

(Seattle Mariners, Fukuoka SoftBank Hawks, Hanshin Tigers)

城島健司 (じょうじま・けんじ)

Bats: R Throws: R

Current Age 45

6-0, 205lb (183cm, 92kg)

MLB Debut:
2006-04-03 (29)

Ichiro
Suzuki

RF Seattle Mariners

(New York Yankees, Miami Marlins, ORIX BlueWave, Seattle Mariners)

鈴木一朗 (すずき・いちろう)

Bats: L Throws: R

Current Age 47

5-11, 175lb (180cm, 79kg)

MLB Debut:
2001-04-02 (27)

Kazuhiro
Sasaki

RHP Seattle Mariners

(Seattle Mariners, Yokohama DeNA BayStars)

佐々木主浩 (ささき・かずひと)

Bats: R Throws: R

Current Age 53

6-4, 209lb (193cm, 94kg)

MLB Debut:
2000-04-05 (32)

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)

Shigetoshi
Hasegawa

RHP Los Angeles Angels

(Los Angeles Angels, Seattle Mariners, ORIX BlueWave)

長谷川滋利 (はせがわ・しげとし)

Bats: R Throws: R

Current Age 52

5-11, 160lb (180cm, 72kg)

MLB Debut:
1997-04-05 (28)

Mac
Suzuki

RHP Kansas City Royals

(Seattle Mariners, Kansas City Royals, Colorado Rockies, Milwaukee Brewers, ORIX Buffaloes)

鈴木誠 (すずき・まこと)

Bats: R Throws: R

Current Age 46

6-3, 195lb (190cm, 88kg)

MLB Debut:
1996-07-07 (21)