There are 12 Japanese players active in MLB this year

Naoyuki
Uwasawa

RHP Tampa Bay Rays

上沢直之 (うわさわ・なおゆき)

Bats: R Throws: R

Current Age 29

(187cm, 88kg)

MLB Debut: Not Yet

Yuki
Matsui

LHP San Diego Padres

松井裕樹 (まつい・ゆうき)

Bats: L Throws: L

Current Age 28

(174cm, 74kg)

MLB Debut: Not Yet

Yoshinobu
Yamamoto

RHP Los Angeles Dodgers

山本由伸 (やまもと・よしのぶ)

Bats: R Throws: R

Current Age 25

(178cm, 80kg)

MLB Debut: Not Yet

Shota
Imanaga

LHP Chicago Cubs

今永昇太 (いまなが・しょうた)

Bats: L Throws: L

Current Age 30

(178cm, 86kg)

MLB Debut: Not Yet

Yu
Darvish

RHP San Diego Padres

ダルビッシュ有 (だるびっしゅ・ゆう)

Bats: R Throws: R

Current Age 37

6-5, 220lb (196cm, 100kg)

MLB Debut:
2012-04-09 (25)

Kenta
Maeda

RHP Detroit Tigers

前田健太 (まえだ・けんた)

Bats: R Throws: R

Current Age 35

6-1, 184lb (182cm, 81kg)

MLB Debut:
2016-04-06 (27)

Shohei
Ohtani

DH/P Los Angeles Dodgers

大谷翔平 (おおたに・しょうへい)

Bats: L Throws: R

Current Age 29

6-4, 210lb (193cm, 95kg)

MLB Debut:
2018-03-29 (23)

Yusei
Kikuchi

LHP Toronto Blue Jays

菊池雄星 (きくち・ゆうせい)

Bats: L Throws: L

Current Age 32

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

MLB Debut:
2019-03-21 (27)

Seiya
Suzuki

OF Chicago Cubs

鈴木 誠也 (すずき・せいや)

Bats: R Throws: R

Current Age 29

5-11, 182lb (180cm, 82kg)

MLB Debut:
2022-04-07 (27)

Masataka
Yoshida

OF Boston Red Sox

吉田正尚 (よしだ・まさたか)

Bats: L Throws: R

Current Age 30

173 cm, 85 kg

MLB Debut:
2023-03-30 (29)

Shintaro
Fujinami

RHP Free Agent

藤浪晋太郎 (ふじなみ・しんたろう)

Bats: R Throws: R

Current Age 29

197 cm, 98 kg

MLB Debut:
2023-04-01 (28)

Kodai
Senga

RHP New York Mets

千賀滉大 (せんが・こうだい)

Bats: L Throws: R

Current Age 30

186cm, 92kg

MLB Debut:
2023-04-02 (30)