Pacific League
Account
  • HOME
  • Videos
  • Schedule
    • First team Regular season

    • Minor Eastern Division

    • Minor Central Division

    • Minor Western Division

    • Interleague games

    • Player Directory Top

    • Hokkaido Nippon-Ham Fighters

    • Tohoku Rakuten Golden Eagles

    • Saitama Seibu Lions

    • Chiba Lotte Marines

    • Orix Buffaloes

    • Fukuoka SoftBank Hawks

  • News
  • Merchandise
  • PERSOL | Pacific League TV
Pacific League official logo
Account

By registering for a free Pacific League TV account, you will be able to register your favorite teams/players and bookmark videos and articles.

Register for a free account Log in
  • HOME
  • Video
  • Schedule
    • First team Regular season

    • Minor Eastern Division

    • Minor Central Division

    • Minor Western Division

    • Interleague games

    • Player Directory Top

    • Hokkaido Nippon-Ham Fighters

    • Tohoku Rakuten Golden Eagles

    • Saitama Seibu Lions

    • Chiba Lotte Marines

    • Orix Buffaloes

    • Fukuoka SoftBank Hawks

  • News
  • Merchandise
  • PERSOL | Pacific League TV
  • Setting
OFFICIAL SITE
  • Hokkaido Nippon-Ham Fighters (opens in a new window)
  • Tohoku Rakuten Golden Eagles (opens in a new window)
  • Saitama Seibu Lions (opens in a new window)
  • Chiba Lotte Marines (opens in a new window)
  • Orix Buffaloes Buffaloes (opens in a new window)
  • Fukuoka Softbank Hawks (opens in a new window)
  • PERSOL | Pacific League TV Shop (Opens in a new window)
  • PLM Career (opens in new window)
  • Terms of service

  • Privacy Policy

  • Operating company (opens in a new window)

  • FAQ

  • Display of Specified Commercial Transactions Act

  • Part-time job recruitment (opens in a new window)

Pacific League All about Pacific League is here
  • Pacific League Official Website (Opens in a new window)
  • Pacific League official Facebook page (opens in a new window)
  • Pacific League official YouTube channel (opens in a new window)
  • Pacific League official Instagram (opens in a new window)
  • Ball Park Style

Player Directory

  • X
  • Facebook
  • LINE
Seiryu Kotajima

Orix Buffaloes

Orix Buffaloes

Seiryu Kotajima

Seiryu Kotajima

35

Seiryu Kotajima
  • ERA

    ERA6.00

  • strike out rate

    K/97.00

  • BB rate

    BB/94.00

*FY2026

  • position

    pitcher

  • birthday

    1999/06/29

  • age

    27歳

  • height

    175cm

  • body weight

    85kg

  • Birthplace

    Ibaraki Prefecture

  • Pitching and batting

    right-handed pitcher / right-handed hitter

  • Blood type

    -

  • Draft Year

    2023年

  • Biography

    Toride Shoyo High School - Chuo Gakuin University - Nippon Express -Orix Buffaloes (Drafted June 24th)

  • Titles won

  • TOP
  • Videos
  • Participation results
  • article

Videos

  • 【8回表】力強い投球!! バファローズ・古田島成龍 1イニング9球で3者凡退に抑える好投を見せる!! 2026年9月6日 オリックス・バファローズ 対 千葉ロッテマリーンズ
    00:27

    【8回表】力強い投球!! バファローズ・古田島成龍 1イニング9球で3者凡退に抑える好投を見せる!! 2026年9月6日 オリックス・バファローズ 対 千葉ロッテマリーンズ

    2026年09月06日(日) 15:35

  • 【ファーム】バファローズ・古田島成龍 3アウト目をすべて直球、3球三振に抑える投球を見せる!! 2026年7月23日 千葉ロッテマリーンズ 対 オリックス・バファローズ
    00:17

    【ファーム】バファローズ・古田島成龍 3アウト目をすべて直球、3球三振に抑える投球を見せる!! 2026年7月23日 千葉ロッテマリーンズ 対 オリックス・バファローズ

    2026年07月23日(木) 14:39

  • [Top of the 9th Inning] A spirited pitching pitch!! The Buffaloes 'Seiryu Kotajima closer the side in order with a great pitching performance!! March 20, 2026 Orix Buffaloes The Buffaloes vs. Hanshin Tigers
    00:47

    [Top of the 9th Inning] A spirited pitching pitch!! The Buffaloes 'Seiryu Kotajima closer the side in order with a great pitching performance!! March 20, 2026 Orix Buffaloes The Buffaloes vs. Hanshin Tigers

    2026年03月20日(金) 20:45

  • [Yaaaah!!!] Seiryu Kotajima: "A long-awaited roar of revival... I threw 10 pitches in the first inning, allowing no runs strike out 2!"
    01:48

    [Yaaaah!!!] Seiryu Kotajima: "A long-awaited roar of revival... I threw 10 pitches in the first inning, allowing no runs strike out 2!"

    2026年03月07日(土) 18:00

Watch more videos

Participation results

pitcher statistics: by year
year Team ERA Appearance CG SHO No Walk Wins Lose H HP SV W-L % IP hitter HR SO BB Hit By Pitch Wild pitch Bork BB/9 K/9 K/BB WHIP Avg BABIP
2024 0.79 50 0 0 0 2 1 24 26 0 .667 45.2 179 2 43 17 1 1 0 3.35 8.47 2.53 1.03 .190 .241
2025 4.42 20 0 0 0 2 1 6 8 0 .667 18.1 86 1 14 12 1 0 0 5.89 6.87 1.17 1.80 .288 .345
2026 6.00 10 0 0 0 0 0 3 3 0 .000 9.0 42 2 7 4 1 1 1 4.00 7.00 1.75 1.89 .351 .393
Overall record 2.34 80 0 0 0 4 2 33 37 0 .667 73 307 5 64 33 3 2 1 4.07 7.89 1.94 1.33 .239 .292

2026/11/7 03:05 更新

hitter statistics: by year
year Team AVG GP PA AB H 2B 3B HR TB RBI R SO BB HBP SAC SF SB CS GIDP SLG OPS ISO ISOD BB/K BABIP AB/HR
2024 .000 50 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 .000 .000 .000 .000 - - -
2025 .000 20 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 .000 .000 .000 .000 - - -
2026 .000 10 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 .000 .000 .000 .000 - - -
Overall record - 80 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 - 19999999.998 .000 .000 - - -

2026/11/7 03:05 更新

View more results

article

[Camp Video] Kosei Yoshida takes to the mound for the first time in two years! [Orix Buffaloes, February 21st]

[Camp Video] Kosei Yoshida takes to the mound for the first time in two years! [Orix Buffaloes, February 21st]

Pacific League Insight

February 21, 2026 18:27

  • To put it bluntly, do you do ego searches on social media? Or not? We asked the players!

    To put it bluntly, do you do ego searches on social media? Or not? We asked the players!

    Pacific League Insight

    March 26, 2025 20:30

  • Collaboration between the Japan Sumo Association and six Pacific League teams. Sumo and baseball to boost Orix Buffaloes and Seiryu Kotajima and Ura Seki, from Osaka, Japan, to meet.

    Collaboration between the Japan Sumo Association and six Pacific League teams. Sumo and baseball to boost Orix Buffaloes and Seiryu Kotajima and Ura Seki, from Osaka, Japan, to meet.

    Pacific League Insight

    March 26, 2025 18:50

  • pitcher vs. catcher battle at bat is realistic! Was Kyotaka Tobashira's "whispering tactics" too effective against Yasuto Takashima?

    pitcher vs. catcher battle at bat is realistic! Was Kyotaka Tobashira's "whispering tactics" too effective against Yasuto Takashima?

    Pacific League Insight

    March 26, 2025 14:00

View more articles

Player Access Ranking

  • 1

    31

    Tomoya Masaki

    Tomoya Masaki

  • 2

    1

    Rui Muneyama

    Rui Muneyama

  • 3

    52

    篠原 響

    Hibiki Shinohara

  • 4

    51

    山口 航輝

    Koki Yamaguchi

  • 5

    6

    Yuma Mune

    Yuma Mune

  • 6

    6

    Misho Nishikawa

    Misho Nishikawa

  • 7

    21

    武内 夏暉

    Natsuki Takeuchi

  • 8

    40

    Raito Okumura

    Raito Okumura

  • 9

    23

    Ukyo Shuto

    Ukyo Shuto

  • 10

    62

    Natsuo Takizawa

    Natsuo Takizawa

Featured
  • banner
  • banner
  • banner
  • banner
Featured
  • banner
  • banner
  • banner
  • banner
Banner (opens in a new window) Banner (opens in a new window)
Pacific League Player Directory

Seiryu Kotajima

Pacific League All about Pacific League is here
  • Hokkaido Nippon-Ham Fighters (opens in a new window)
  • Tohoku Rakuten Golden Eagles (opens in a new window)
  • Saitama Seibu Lions (opens in a new window)
  • Chiba Lotte Marines (opens in a new window)
  • Orix Buffaloes Buffaloes (opens in a new window)
  • Fukuoka Softbank Hawks (opens in a new window)
  • Terms of service

  • Privacy Policy

  • Operating company (opens in a new window)

  • FAQ

  • Display of Specified Commercial Transactions Act

  • Part-time job recruitment (opens in a new window)

  • Pacific League Official Website (Opens in a new window)
  • Pacific League official Facebook page (opens in a new window)
  • Pacific League official YouTube channel (opens in a new window)
  • Pacific League official Instagram (opens in a new window)
  • Ball Park Style
© 2026 Pacific League Marketing
  • HOME

  • Schedule

  • Persol

    Pacific League TV

  • Standings and Results

  • News