Yōsuke Ideguchi, born in Fukuoka on 23 August 1996 (age 29), is a compact Japanese centre midfielder whose career is still shaped most strongly by Gamba Osaka. Early loan football formed part of his development, but it was at Gamba that he became properly established, making 127 league appearances and scoring 14 league goals across six seasons.
His best scoring league season came in 2016, when he scored four times in 22 appearances for Gamba. That was the spell which gave his career its substance before Celtic moved for him in January 2022, paying around £690,000 to bring him from Osaka to Glasgow.
The Celtic move never became the main part of his story. Ideguchi left in January 2024 for Vissel Kobe in a deal worth around £860,000, a tidy enough exit from a transfer that had not taken root. The heavier work in his career had been done elsewhere, and it continued back in Japan.
At Vissel Kobe, wearing number 21, he remained a regular first-team presence in 2025. He made 30 J1 League appearances and scored once, while also contributing three goals in nine AFC Champions League Elite matches and one goal in 15 J1 100 Year Vision League games. Across all competitions for Vissel Kobe that year, he made 54 appearances and scored five goals.
Ideguchi’s career has taken him from Fukuoka to Gamba Osaka, Celtic and Vissel Kobe, but Gamba remains the strongest thread: the club where he made the bulk of his league appearances and built the reputation that took him abroad.
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