# Fame.am profile — machine-readable export
# Canonical URL: https://fame.am/person/koki-yamaguchi
# Generated: 2026-08-13T12:14:17.150Z

schema: https://schema.org/Person
url: "https://fame.am/person/koki-yamaguchi"
name: "Kōki Yamaguchi"
slug: "koki-yamaguchi"
description: "Koki Yamaguchi  is a professional Japanese baseball player. Selected in the fourth round of the 2018 NPB Draft from Meioh High School in Akita Prefecture, he plays outfield and first base for the Chiba Lotte Marines."
tagline: "Japanese baseball player"
image: "https://commons.wikimedia.org/wiki/Special:FilePath/%E3%80%90%E3%83%91%E3%83%BC%E3%82%BD%E3%83%AB_%E3%83%91%E3%83%BB%E3%83%AA%E3%83%BC%E3%82%B0%E5%85%AC%E5%BC%8F%E6%88%A6%E3%80%91%E5%8D%83%E8%91%89%E3%83%AD%E3%83%83%E3%83%86%E3%83%9E%E3%83%AA%E3%83%BC%E3%83%B3%E3%82%BA_vs_%E6%9D%B1%E5%8C%97%E6%A5%BD%E5%A4%A9%E3%82%B4%E3%83%BC%E3%83%AB%E3%83%87%E3%83%B3%E3%82%A4%E3%83%BC%E3%82%B0%E3%83%AB%E3%82%B9_18%E5%9B%9E%E6%88%A6_ZOZO%E3%83%9E%E3%83%AA%E3%83%B3%E3%82%B9%E3%82%BF%E3%82%B8%E3%82%A2%E3%83%A0_2025%E5%B9%B48%E6%9C%8820%E6%97%A5%E3%81%AE%E5%8D%83%E8%91%89_202508202207_DSCN7297.jpg?width=1200"
gender: "male"
country:
  name: "Japan"
  isoCode: "JP"
birthDate: "2000-08-18"
livingStatus: "LIVING"
scores:
  popularity:           52.07
  momentum:             10
  historical:           4.589489333333333
  currentAttention:     0
  sourceConfidence:     30
  profileCompleteness:  55
  trendDirection:       "STABLE"
ranks:
  global:   null
  country:  null
  category: null
platforms:
  - platform:  "INSTAGRAM"
    url:       "https://www.instagram.com/51marines/"
    handle:    "51marines"
sources:
  - url: "https://en.wikipedia.org/wiki/Koki_Yamaguchi"
    title: "Koki Yamaguchi"
    type:  "WIKIPEDIA"
  - url: "https://ja.wikipedia.org/wiki/%E5%B1%B1%E5%8F%A3%E8%88%AA%E8%BC%9D"
    title: "山口航輝"
    type:  "WIKIPEDIA"
  - url: "https://ko.wikipedia.org/wiki/%EC%95%BC%EB%A7%88%EA%B5%AC%EC%B9%98_%EA%B3%A0%ED%82%A4"
    title: "야마구치 고키"
    type:  "WIKIPEDIA"
  - url: "https://zh.wikipedia.org/wiki/%E5%B1%B1%E5%8F%A3%E8%88%AA%E8%BC%9D"
    title: "山口航輝"
    type:  "WIKIPEDIA"
  - url: "https://www.wikidata.org/wiki/Q65095763"
    title: "Wikidata"
    type:  "WIKIDATA"

# bio (long form, separated for readability)
bio: |
  Imported from discovery source: wikidata-relations