Player Directory
Chiba Lotte Marines
Oto Hayasaka
Oto Hayasaka
59
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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
right-handed pitcher / right-handed hitter
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Blood type
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Draft Year
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Biography
Makuhari Sogo High School -Chiba Lotte Marines (Draft pick #4, 2024-)
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Titles won
Videos
![[Patere's Prospect] Oto Hayasaka: "In his fourth year as pitcher!? A 20-year-old right-hander with great potential"](https://img.youtube.com/vi/KOKwr1QkMT0/sddefault.jpg)
![[Bottom of the 6th Inning] Birthday Appearance!! The Marines 'Oto Hayasaka, 20 years old, makes his debut with a great performance, pitching one runs inning!! July 26, 2025 Hokkaido Nippon-Ham Fighters vs. Chiba Lotte Marines](https://img.youtube.com/vi/OoyXPjHaABs/sddefault.jpg)
![[Bottom of the 8th Inning] The Marines 'Oto Hayasaka, making his professional debut, strikes out the leadoff struck out!! May 11, 2025, Saitama Seibu Lions vs. Chiba Lotte Marines](https://img.youtube.com/vi/JzTjElv9CQY/sddefault.jpg)
![[Farm Team] Three up, three down in a crucial situation!! The Marines 'Oto Hayasaka closer a superb relief performance!! September 6, 2024 Chiba Lotte Marines vs. Yokohama DeNA BayStars](https://img.youtube.com/vi/XXrSBpt_nSI/sddefault.jpg)
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2025 |
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7.36 | 9 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .000 | 11.0 | 51 | 1 | 4 | 8 | 0 | 2 | 0 | 6.55 | 3.27 | 0.50 | 1.82 | .286 | .289 |
| Overall record | 7.36 | 9 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | - | 11 | 51 | 1 | 4 | 8 | 0 | 2 | 0 | 6.55 | 3.27 | 0.50 | 1.82 | .286 | .289 | |
2026/2/13 03:07 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2025 |
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.000 | 9 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .000 | .000 | .000 | .000 | - | - | - |
| Overall record | - | 9 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | - | 19999999.998 | .000 | .000 | - | - | - | |
2026/2/13 03:07 更新
article
![[Farm Team] Kota Inoue hits 2 hit 4 RBI, including a go-ahead home run! The Marines win big with 18 runs.](https://media.insight.pacificleague.com/webp/pWZ232zy1gqbPedLy2qM4d5CDrnrHcl8VaZXCbzB.webp)
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Valentine's Day chocolates from the players! Draft pick #3, Raito Okumura, and others hand out gifts in person.
Pacific League Insight
February 14, 2026 15:56
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Oto Hayasaka and Ryo Sakai visit Ishigaki City Youth center fielder, deepening interactions through baseball experience and commemorative photo shoot
Pacific League Insight
February 4, 2026 11:30
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![[First-round pick starts in the first team] Today's Pacific League [January 22nd]](https://media.insight.pacificleague.com/webp/iztGJWsbcCeRUrYApEHMH3cnGevjIxYjZ0tckZKM.webp)
[First-round pick starts in the first team] Today's Pacific League [January 22nd]
Pacific League Insight
January 22, 2026 18:08
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