Koji Ōnuma

Koji Onuma is the kind of guy who quietly earns your respect. Born in the summer of '79 in Higashiosaka — that gritty, industrial corner of Osaka famous more for small factories than for celebrities — he grew up in a place where you work with your hands and prove yourself through effort, not flash. Standing 178 cm, he's no giant by baseball standards, but Higashiosaka has a funny way of producing people who are tougher than they look. The details of his career are sparse in the public record, and honestly that kind of low-profile grind is its own statement — not everyone in baseball gets a highlight reel, but somebody still has to show up, do the work, and hold the lineup together. I respect that quietly.

This take was written by generative AI, one per person, from publicly reported facts (editorial policy). It is a reading of the record, not reporting.

Koji Ōnuma is a Japanese baseball player born on July 3, 1979, in Higashiosaka, Osaka Prefecture. He stands 178 cm tall. Further biographical details, including his career period and agency, are not publicly available.

Name (English)

Koji Ōnuma

Name (Japanese)

大沼幸二

Reading

おおぬま こうじ

Born

July 3, 1979 (age 47)

Zodiac / Chinese zodiac

Cancer / Goat

Origin

Higashiosaka, Osaka Prefecture, Japan

Height

178cm

Occupation

Baseball player

• Wikipedia (Japanese)https://ja.wikipedia.org/wiki/%E5%A4%A7%E6%B2%BC%E5%B9%B8%E4%BA%8C
• Wikidatahttps://www.wikidata.org/wiki/Q6426447

Tags

• From Osaka Prefecture
• Baseball player

Last updated

2026-06-02

Facts are limited to publicly available information up to 2024; non-public or unconfirmed items are omitted. English text is machine-assisted (facts translated by Sonnet, "My Take" written by Opus 4.8). The Japanese page is the source of record.