Player Directory
Chiba Lotte Marines
Koshiro Hiroike
Koshiro Hiroike
64
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ERA
ERA0.00
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strike out rate
K/95.40
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BB rate
BB/90.00
*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 / left-handed hitter
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Blood type
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Draft Year
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Biography
Miyakonojo Agricultural High School - Tokai University Kyushu Campus -Chiba Lotte Marines (Draft pick #5, 2025-)
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Titles won
Videos
![[MBG] The Marines 'Koshiro Hiroike shows off a fantastic pitch with two strike out in his hometown of Miyakonojo! March 1, 2026 Chiba Lotte Marines vs. Lotte Giants](https://images.streaks.jp/plm/medias/87db12ace55f4dd8b6683daef62f567c/posters/eee7b0fe-03f8-43d6-9fba-b7e359603165.jpg)
![[Miyazaki PL] Fukuoka Softbank Hawks vs. Chiba Lotte Marines Lively in his hometown of Miyakonojo! The Marines 'Koshiro Hiroike pitches well, allowing only one hit and no runs in five innings! October 27, 2025](https://img.youtube.com/vi/Ijw1cqIZkfs/sddefault.jpg)
![[Miyazaki PL] Triumphant return to the mound!! The Marines 'Koshiro Hiroike struck out out looking!! October 12, 2025 Yomiuri Giants vs. Chiba Lotte Marines](https://img.youtube.com/vi/TSBi9dD3TDA/sddefault.jpg)
Participation results
pitcher performance: 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 |
|
4.87 | 18 | 0 | 0 | 0 | 1 | 3 | 4 | 5 | 0 | .250 | 20.1 | 87 | 4 | 20 | 6 | 0 | 0 | 0 | 2.66 | 8.85 | 3.33 | 1.33 | .266 | .298 |
| 2026 |
|
0.00 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .000 | 1.2 | 10 | 0 | 1 | 0 | 2 | 0 | 0 | 0.00 | 5.40 | - | 1.80 | .375 | .429 |
| Overall record | 4.50 | 19 | 0 | 0 | 0 | 1 | 3 | 4 | 5 | 0 | .250 | 22 | 97 | 4 | 21 | 6 | 2 | 0 | 0 | 2.45 | 8.59 | 3.50 | 1.36 | .276 | .313 | |
2026/3/30 03:08 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 |
|
.000 | 18 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .000 | .000 | .000 | .000 | - | - | - |
| 2026 |
|
.000 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .000 | .000 | .000 | .000 | - | - | - |
| Overall record | - | 19 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | - | 19999999.998 | .000 | .000 | - | - | - | |
2026/3/30 03:08 更新
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