Player Directory


Chiba Lotte Marines
Koki Yamaguchi
Koki Yamaguchi
51
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Striking Power Index
OPS.939
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Slugging power index
ISO.318
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Baseball selection index
BB/K.260
*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
Meio High School -Chiba Lotte Marines (Draft pick #4, 2019-)
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Titles won
Participation results
Season results
| Batting Average | .283 | GP | 60 |
|---|---|---|---|
| PA | 216 | AB | 198 |
| Hits | 56 | 2B | 10 |
| 3B | 1 | Home Runs | 17 |
| TB | 119 | RBI | 41 |
| Runs Scored | 28 | SO | 50 |
| BB | 13 | HBP | 4 |
| SAC | 0 | SF | 1 |
| Stolen Bases | 0 | CS | 0 |
| GIDP | 3 | SLG | .601 |
| OPS | .939 | ISO | .318 |
| ISOD | .055 | BB/K | .260 |
| BABIP | .295 | AB/HR | 11.65 |
Results by condition
hitter statistics: by game
| date | AB | H | HR | R | RBI | SO | BB | HBP | SB | SAC | AVG | Batting results (video) |
|---|
| July | 59 | 18 | 5 | 10 | 12 | 15 | 9 | 2 | 0 | 0 | .305 |
|---|
| 7/26 | ![]() |
5 | 1 | 1 | 1 | 1 | 3 | 0 | 0 | 0 | 0 | .283 | 左本、空三振、空三振、空三振、二飛 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 7/25 | ![]() |
3 | 0 | 0 | 0 | 0 | 2 | 1 | 0 | 0 | 0 | .285 | 空三振、空三振、三ゴロ、四球 | |
| 7/24 | ![]() |
3 | 1 | 1 | 1 | 1 | 1 | 1 | 0 | 0 | 0 | .289 | 左中本、見三振、四球、二ゴロ | |
| 7/23 | ![]() |
4 | 1 | 0 | 0 | 1 | 2 | 0 | 0 | 0 | 0 | .289 | Strikeout struck out, ground out to shortstop, single to left field, strikeout struck out | |
| 7/22 | ![]() |
3 | 1 | 1 | 2 | 1 | 1 | 1 | 0 | 0 | 0 | .290 | 四球、中飛、空三振、中本 | |
| 7/20 | ![]() |
3 | 2 | 1 | 1 | 1 | 0 | 1 | 0 | 0 | 0 | .289 | 四球、左本、右安、右飛 | |
| 7/19 | ![]() |
4 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .282 | 右飛、三ゴロ、三ゴロ、右安 | |
| 7/18 | ![]() |
4 | 2 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | .283 | 捕邪飛、中安、四球、中飛、左安 | |
| 7/16 | ![]() |
4 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .278 | 二ゴロ、一飛、左2、一ゴロ | |
| 7/15 | ![]() |
3 | 2 | 1 | 1 | 2 | 0 | 1 | 0 | 0 | 0 | .279 | 四球、中安、左本、三ゴロ | |
| 7/14 | ![]() |
4 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | .272 | 二ゴロ、左安、空三振、三ゴロ | |
| 7/12 | ![]() |
4 | 2 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | .272 | 左安、遊飛、空三振、左安 | |
| 7/11 | ![]() |
2 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | .266 | 空三振、三直、死球 | |
| 7/10 | ![]() |
3 | 1 | 0 | 0 | 2 | 0 | 2 | 0 | 0 | 0 | .270 | 一邪飛、遊併打、四球、左2、四球 | |
| 7/4 | ![]() |
4 | 1 | 0 | 1 | 2 | 2 | 0 | 0 | 0 | 0 | .268 | 右飛、左安、空三振、空三振 | |
| 7/3 | ![]() |
4 | 1 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | .269 | 遊飛、遊安、左飛、見三振 | |
| 7/1 | ![]() |
2 | 0 | 0 | 1 | 0 | 0 | 1 | 1 | 0 | 0 | .270 | 遊併打、死球、遊ゴロ、四球 |
| June | 67 | 21 | 6 | 9 | 17 | 18 | 1 | 2 | 0 | 0 | .313 |
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| May | 59 | 16 | 6 | 9 | 12 | 13 | 3 | 0 | 0 | 0 | .271 |
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| April | 11 | 1 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 0 | .091 |
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| March | 2 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | .000 |
|---|
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2021 |
|
.207 | 78 | 228 | 203 | 42 | 3 | 1 | 9 | 74 | 20 | 20 | 53 | 25 | 0 | 0 | 0 | 0 | 1 | 5 | .365 | .658 | .158 | .087 | .472 | .234 | 22.56 |
| 2022 |
|
.237 | 102 | 349 | 321 | 76 | 14 | 0 | 16 | 138 | 57 | 40 | 84 | 23 | 4 | 0 | 1 | 1 | 0 | 8 | .430 | .725 | .193 | .058 | .274 | .270 | 20.06 |
| 2023 |
|
.235 | 115 | 474 | 421 | 99 | 21 | 0 | 14 | 162 | 57 | 46 | 122 | 43 | 5 | 0 | 5 | 0 | 0 | 7 | .385 | .695 | .150 | .075 | .352 | .293 | 30.07 |
| 2024 |
|
.200 | 51 | 181 | 170 | 34 | 8 | 0 | 2 | 48 | 13 | 10 | 30 | 10 | 1 | 0 | 0 | 1 | 0 | 6 | .282 | .531 | .082 | .049 | .333 | .232 | 85.00 |
| 2025 |
|
.255 | 35 | 112 | 106 | 27 | 2 | 0 | 7 | 50 | 24 | 11 | 37 | 5 | 0 | 0 | 1 | 1 | 1 | 3 | .472 | .757 | .217 | .031 | .135 | .317 | 15.14 |
| 2026 |
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.283 | 60 | 216 | 198 | 56 | 10 | 1 | 17 | 119 | 41 | 28 | 50 | 13 | 4 | 0 | 1 | 0 | 0 | 3 | .601 | .939 | .318 | .055 | .260 | .295 | 11.65 |
| Overall record | .235 | 441 | 1560 | 1419 | 334 | 58 | 2 | 65 | 591 | 212 | 155 | 376 | 119 | 14 | 0 | 8 | 3 | 2 | 32 | .416 | .716 | .181 | .064 | .316 | .273 | 21.83 | |
2026/7/27 03:08 更新
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