Player Directory
Chiba Lotte Marines
Seiun Akiyama
Seiun Akiyama
123
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ERA
ERA---
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strike out rate
K/9---
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BB rate
BB/9---
*FY2026
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position
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birthday
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age
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height
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body weight
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Birthplace
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Pitching and batting
left-handed pitcher / left-handed hitter
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Blood type
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Draft Year
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Biography
Nishogakusha University High School -Chiba Lotte Marines (Draft pick #4, 2022-)
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Titles won
Videos
![[MARINES FAN FEST 2025] Seiun Akiyama saves the day with a play that rivals his professional counterpart! November 23, 2025 Chiba Lotte Marines](https://img.youtube.com/vi/pzZewBJubv4/sddefault.jpg)
![[Miyazaki PL] The Marines 'Seiun Akiyama pitched well, striking out four strike out allowing no runs in two innings! October 6, 2025 Chunichi Dragons vs. Chiba Lotte Marines](https://img.youtube.com/vi/WREYpjXMcy4/sddefault.jpg)
![[Farm] Three in a row struck out!!! The Marines... Seiun Akiyama Threw 5 innings, the longest of the season earned runs 0 !!! September 11, 2025 Chiba Lotte Marines vs. Tohoku Rakuten Golden Eagles](https://img.youtube.com/vi/Lac7riLvSik/sddefault.jpg)
![[Farm] The Marines 'Seiun Akiyama closer two runs inning with stable pitch! June 24, 2025 Chiba Lotte Marines vs. Oisix Niigata Albirex BC](https://img.youtube.com/vi/qHTcjomyQJU/sddefault.jpg)
Participation results
No data
article
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![[Miyazaki PL] Seiun Akiyama pitched two innings without hit, striking out four strike out! Rui Katsumata recorded three hit.](https://media.insight.pacificleague.com/webp/oJcLM5ttLQUnNympdoD5mNwuw7I37xCLwRygtMz1.webp)
[Miyazaki PL] Seiun Akiyama pitched two innings without hit, striking out four strike out! Rui Katsumata recorded three hit.
Pacific League Insight
2025.10.6(月) 15:20
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![[Farm Team] The Marines win convincingly 6-1. Seiun Akiyama pitches 3 innings strike out shutting out the opposing team.](https://media.insight.pacificleague.com/uVBMl203aWOAjRlPT51TOK1VfbH9XiNPs8dqqFjU.jpg)
[Farm Team] The Marines win convincingly 6-1. Seiun Akiyama pitches 3 innings strike out shutting out the opposing team.
Pacific League Insight
2025.6.8(日) 15:53
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![[Camp Schedule Announcement] Today's Pacific League [December 20th]](https://media.insight.pacificleague.com/W3ZD3Cs36wx75Sk9aG6QK42SeVqI1x13tm1FxfEr.jpeg)
[Camp Schedule Announcement] Today's Pacific League [December 20th]
Pacific League Insight
2023.12.20(水) 20:30
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