Seiji Uebayashi

I've always had a soft spot for an outfielder who makes defense look like a highlight reel, and Seiji Uebayashi is exactly that guy. Standing 184cm with a cannon for an arm and real wheels, he's the kind of Saitama-born player who turns a routine fly ball into a moment where you sit up and go "ooh." I remember the buzz when he broke out with the SoftBank Hawks, all that raw upside and momentum. Baseball doesn't let you fake it, though, so he's ridden the highs and the rough patches honestly, the way most genuinely talented players do. To me he just looks most himself out there chasing balls in the gaps, so I'm quietly rooting for that big arm to keep showing off for a good while yet.

Seiji Uebayashi is a Japanese professional baseball player born on August 1, 1995, in Saitama City, Saitama Prefecture. Standing 184 cm tall, he is known as an outfielder with a strong arm and quick speed. He has been active in Japanese professional baseball and maintains a public Instagram presence.

Name (English)

Seiji Uebayashi

Name (Japanese)

上林誠知

Reading

うえばやし せいじ

Born

August 1, 1995 (age 31)

Zodiac / Chinese zodiac

Leo / Boar

Origin

Saitama City, Saitama Prefecture, Japan

Height

184cm

Occupation

Baseball Player

• Instagramhttps://www.instagram.com/seiji.uebayashi/
• Wikipedia (Japanese)https://ja.wikipedia.org/wiki/%E4%B8%8A%E6%9E%97%E8%AA%A0%E7%9F%A5
• Wikidatahttps://www.wikidata.org/wiki/Q16264443

Tags

• From Saitama 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.