Player Directory


Chiba Lotte Marines
Koki Yamaguchi
Koki Yamaguchi
51
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Striking Power Index
OPS.881
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Slugging power index
ISO.309
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Baseball selection index
BB/K.132
*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 | .268 | GP | 46 |
|---|---|---|---|
| PA | 158 | AB | 149 |
| Hits | 40 | 2B | 8 |
| 3B | 1 | Home Runs | 12 |
| TB | 86 | RBI | 31 |
| Runs Scored | 21 | SO | 38 |
| BB | 5 | HBP | 3 |
| SAC | 0 | SF | 1 |
| Stolen Bases | 0 | CS | 0 |
| GIDP | 2 | SLG | .577 |
| OPS | .881 | ISO | .309 |
| ISOD | .035 | BB/K | .132 |
| BABIP | .280 | AB/HR | 12.42 |
Results by condition
hitter statistics: by game
| date | AB | H | HR | R | RBI | SO | BB | HBP | SB | SAC | AVG | Batting results (video) |
|---|
| July | 10 | 2 | 0 | 3 | 2 | 3 | 1 | 1 | 0 | 0 | .200 |
|---|
| June | 67 | 21 | 6 | 9 | 17 | 18 | 1 | 2 | 0 | 0 | .313 |
|---|
| 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 |
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.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 |
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.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 |
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.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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.268 | 46 | 158 | 149 | 40 | 8 | 1 | 12 | 86 | 31 | 21 | 38 | 5 | 3 | 0 | 1 | 0 | 0 | 2 | .577 | .881 | .309 | .035 | .132 | .280 | 12.42 |
| Overall record | .232 | 427 | 1502 | 1370 | 318 | 56 | 2 | 60 | 558 | 202 | 148 | 364 | 111 | 13 | 0 | 8 | 3 | 2 | 31 | .407 | .702 | .175 | .062 | .305 | .270 | 22.83 | |
2026/7/5 03:08 更新
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