Player Directory
Hokkaido Nippon-Ham Fighters
Koki Kitayama
Koki Kitayama
15
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ERA
ERA2.11
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strike out rate
K/98.36
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BB rate
BB/92.20
*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
Kyoto Seisho High School - Kyoto Sangyo University -Hokkaido Nippon-Ham (8th draft pick, 22nd year onwards)
Starting in the 2025 season, number will be changed to 15. -
Titles won
Videos
08:02
北山亘基『2塁を踏ませぬ圧巻投球!! 9回105球3安打無失点9奪三振で今季2度目の完封勝利＆自身6連勝!!』《THE FEATURE PLAYER》
2026年06月23日(火) 16:10
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07:39
【キ】キリッとした表情で言われましても…【まとめるほどではないまとめ】
2026年07月24日(金) 09:03
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02:58
【自己最多に並ぶ】北山亘基『真夏ノ暑サニモマケヌ6回1失点…尻上がりに調子を上げて今季9勝目!!』
2026年07月24日(金) 09:00
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08:02
北山亘基『2塁を踏ませぬ圧巻投球!! 9回105球3安打無失点9奪三振で今季2度目の完封勝利＆自身6連勝!!』《THE FEATURE PLAYER》
2026年06月23日(火) 16:10
Participation results
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2022 |
|
3.51 | 55 | 0 | 0 | 0 | 3 | 5 | 16 | 19 | 9 | .375 | 51.1 | 219 | 3 | 58 | 28 | 4 | 1 | 1 | 4.91 | 10.17 | 2.07 | 1.27 | .203 | .270 |
| 2023 |
|
3.41 | 14 | 0 | 0 | 0 | 6 | 5 | 0 | 0 | 0 | .545 | 66.0 | 273 | 9 | 58 | 34 | 0 | 1 | 2 | 4.64 | 7.91 | 1.71 | 1.26 | .213 | .233 |
| 2024 |
|
2.31 | 14 | 1 | 1 | 0 | 5 | 1 | 1 | 1 | 0 | .833 | 81.2 | 320 | 5 | 87 | 28 | 5 | 1 | 0 | 3.09 | 9.59 | 3.11 | 0.98 | .186 | .241 |
| 2025 |
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1.63 | 22 | 4 | 0 | 0 | 9 | 5 | 0 | 0 | 0 | .643 | 149.0 | 599 | 7 | 143 | 45 | 4 | 2 | 0 | 2.72 | 8.64 | 3.18 | 1.05 | .208 | .263 |
| 2026 |
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2.11 | 16 | 3 | 2 | 2 | 9 | 3 | 0 | 0 | 0 | .750 | 102.1 | 404 | 6 | 95 | 25 | 4 | 1 | 1 | 2.20 | 8.36 | 3.80 | 0.97 | .201 | .248 |
| Overall record | 2.34 | 121 | 8 | 3 | 2 | 32 | 19 | 17 | 20 | 9 | .627 | 450.1 | 1815 | 30 | 441 | 160 | 17 | 6 | 4 | 3.20 | 8.81 | 2.76 | 1.07 | .203 | .252 | |
2026/7/27 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2022 |
|
.000 | 55 | 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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.286 | 14 | 7 | 7 | 2 | 0 | 0 | 0 | 2 | 2 | 1 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .286 | .571 | .000 | .000 | .000 | .500 | - |
| 2024 |
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.000 | 14 | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .000 | .000 | .000 | .000 | .000 | .000 | - |
| 2025 |
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.000 | 22 | 4 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 4 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | .000 | .000 | .000 | .000 | .000 | - | - |
| 2026 |
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.000 | 16 | 6 | 3 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 3 | 0 | 0 | 2 | 1 | 0 | 0 | 0 | .000 | .000 | .000 | .000 | .000 | .000 | - |
| Overall record | .125 | 121 | 19 | 16 | 2 | 0 | 0 | 0 | 2 | 3 | 1 | 11 | 0 | 0 | 2 | 1 | 0 | 0 | 0 | .125 | .243 | .000 | 0.007 | .000 | .333 | - | |
2026/7/27 03:08 更新
article
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All players for the Mynavi All-Star Game 2026 have been decided! The Plus One vote goes to Yuki Yanagita
Pacific League Insight
2026.7.22(水) 17:23
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Koki Kitayama pitched a strong game strike out against Fukuoka Softbank Hawks, allowing only 1 runs in 7 innings.
Pacific League Insight
2026.7.14(火) 16:07
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Koki Kitayama achieves his 7th consecutive win! Hokkaido Nippon-Ham secure a decisive victory with 15 hit 9 runs.
Pacific League Insight
2026.6.30(火) 21:23
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