Player Directory


Chiba Lotte Marines
Koshiro Hiroike
Koshiro Hiroike
64
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ERA
ERA4.32
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strike out rate
K/96.01
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BB rate
BB/92.32
*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
Participation results
Season results
| ERA | 4.32 | Appearance | 16 |
|---|---|---|---|
| CG | 0 | SHO | 0 |
| No Walk | 0 | Wins | 2 |
| Lose | 6 | H | 0 |
| Holds | 0 | Saves | 0 |
| W-L % | .250 | IP | 85.1 |
| hitter | 368 | HR | 10 |
| Strike Outs | 57 | BB | 22 |
| Hit By Pitch | 7 | Wild pitch | 0 |
| Bork | 0 | Runs Allowed | 45 |
| earned runs | 41 | BB/9 | 2.32 |
| K/9 | 6.01 | K/BB | 2.59 |
| WHIP | 1.30 | Avg | .267 |
| BABIP | .290 |
Results by condition
pitcher statistics: by game
| date | result | IP | Number of pitch | hitter | H | HR | SO | BB | Hit By Pitch | Runs Allowed | earned runs | ERA |
|---|
| August | 6.0 | 98 | 28 | 8 | 3 | 1 | 2 | 0 | 5 | 5 | 7.50 |
|---|
| 8/7 | ![]() |
Loss | 6 | 98 | 28 | 8 | 3 | 1 | 2 | 0 | 5 | 5 | 4.32 |
|---|
| July | 19.1 | 352 | 92 | 26 | 2 | 14 | 9 | 1 | 15 | 14 | 6.52 |
|---|
| June | 19.0 | 280 | 78 | 18 | 2 | 10 | 3 | 3 | 9 | 9 | 4.26 |
|---|
| May | 23.0 | 359 | 97 | 26 | 3 | 20 | 2 | 1 | 10 | 9 | 3.52 |
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| April | 16.1 | 241 | 63 | 8 | 0 | 11 | 6 | 0 | 5 | 4 | 2.20 |
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| March | 1.2 | 31 | 10 | 3 | 0 | 1 | 0 | 2 | 1 | 0 | 0.00 |
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hitter statistics: by game
| date | AB | H | HR | R | RBI | SO | BB | HBP | SB | SAC | AVG | Batting results (video) |
|---|
| August | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | - |
|---|
| 8/7 | ![]() |
0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .000 |
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| July | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | - |
|---|
| June | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | .000 |
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| May | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | .000 |
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| April | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | - |
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| March | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | - |
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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 |
|
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 |
|
4.32 | 16 | 0 | 0 | 0 | 2 | 6 | 0 | 0 | 0 | .250 | 85.1 | 368 | 10 | 57 | 22 | 7 | 0 | 0 | 2.32 | 6.01 | 2.59 | 1.30 | .267 | .290 |
| Overall record | 4.43 | 34 | 0 | 0 | 0 | 3 | 9 | 4 | 5 | 0 | .250 | 105.2 | 455 | 14 | 77 | 28 | 7 | 0 | 0 | 2.38 | 6.56 | 2.75 | 1.31 | .267 | .292 | |
2026/9/10 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 |
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.000 | 16 | 4 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | .000 | .000 | .000 | .000 | .000 | .000 | - |
| Overall record | .000 | 34 | 4 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | .000 | .000 | .000 | .000 | .000 | .000 | - | |
2026/9/10 03:08 更新
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