Player Directory


Chiba Lotte Marines
Koshiro Sakamoto
Koshiro Sakamoto
36
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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
Josuikan High School - Nippon Bunri University - Nippon Steel & Sumitomo Metal Hirohata - Tokyo Yakult (2019 - part of 2022) -Chiba Lotte Marines (part of 2022 -)
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Titles won
Participation results
Season results
| ERA | - | Appearance | - |
|---|---|---|---|
| CG | - | SHO | - |
| No Walk | - | Wins | - |
| Lose | - | H | - |
| Holds | - | Saves | - |
| W-L % | - | IP | - |
| hitter | - | HR | - |
| Strike Outs | - | BB | - |
| Hit By Pitch | - | Wild pitch | - |
| Bork | - | Runs Allowed | - |
| earned runs | - | BB/9 | - |
| K/9 | - | K/BB | - |
| WHIP | - | Avg | - |
| BABIP | - |
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 |
|---|
hitter statistics: by game
| date | AB | H | HR | R | RBI | SO | BB | HBP | SB | SAC | AVG | Batting results (video) |
|---|
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2019 |
|
5.82 | 19 | 0 | 0 | 0 | 0 | 0 | 3 | 3 | 0 | .000 | 21.2 | 104 | 2 | 15 | 16 | 2 | 2 | 0 | 6.65 | 6.23 | 0.94 | 1.75 | .262 | .290 |
| 2020 |
|
12.00 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .000 | 3.0 | 19 | 1 | 3 | 4 | 1 | 0 | 0 | 12.00 | 9.00 | 0.75 | 3.00 | .357 | .400 |
| 2021 |
|
4.05 | 36 | 0 | 0 | 0 | 1 | 2 | 7 | 8 | 0 | .333 | 33.1 | 148 | 4 | 25 | 17 | 3 | 2 | 0 | 4.59 | 6.75 | 1.47 | 1.38 | .238 | .253 |
| 2022 |
|
9.28 | 7 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | .000 | 10.2 | 59 | 4 | 11 | 9 | 1 | 2 | 0 | 7.59 | 9.28 | 1.22 | 2.25 | .319 | .324 |
| 2022 |
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4.15 | 7 | 0 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | .000 | 8.2 | 34 | 3 | 6 | 1 | 0 | 0 | 0 | 1.04 | 6.23 | 6.00 | 1.15 | .273 | .250 |
| 2023 |
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3.21 | 51 | 0 | 0 | 0 | 1 | 0 | 16 | 17 | 0 | 1.000 | 47.2 | 209 | 5 | 48 | 22 | 2 | 2 | 0 | 4.15 | 9.06 | 2.18 | 1.43 | .256 | .311 |
| 2024 |
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5.73 | 37 | 0 | 0 | 0 | 1 | 2 | 11 | 12 | 0 | .333 | 33.0 | 146 | 3 | 34 | 12 | 5 | 2 | 0 | 3.27 | 9.27 | 2.83 | 1.39 | .274 | .337 |
| 2025 |
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6.35 | 8 | 0 | 0 | 0 | 1 | 2 | 2 | 3 | 0 | .333 | 5.2 | 28 | 0 | 3 | 4 | 2 | 0 | 0 | 6.35 | 4.76 | 0.75 | 1.76 | .273 | .316 |
| Overall record | 4.95 | 166 | 0 | 0 | 0 | 4 | 7 | 40 | 44 | 0 | .364 | 163.2 | 747 | 22 | 145 | 85 | 16 | 10 | 0 | 4.67 | 7.97 | 1.71 | 1.53 | .265 | .301 | |
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2019 |
|
.000 | 19 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .000 | .000 | .000 | .000 | - | - | - |
| 2020 |
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.000 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .000 | .000 | .000 | .000 | - | - | - |
| 2021 |
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.000 | 36 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .000 | .000 | .000 | .000 | - | - | - |
| 2022 |
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.000 | 7 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .000 | .000 | .000 | .000 | .000 | - | - |
| 2022 |
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.000 | 7 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .000 | .000 | .000 | .000 | - | - | - |
| 2023 |
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.000 | 51 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .000 | .000 | .000 | .000 | - | - | - |
| 2024 |
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.000 | 37 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .000 | .000 | .000 | .000 | - | - | - |
| 2025 |
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.000 | 8 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .000 | .000 | .000 | .000 | - | - | - |
| Overall record | .000 | 166 | 1 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .000 | .000 | .000 | .000 | .000 | - | - | |
2026/2/13 03:07 更新
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