ratings updated 13 Oct 2026
Profile
Season stats
Full career & schedule →Domestic-league season · Iwaki.
Scout report
★ Standout performer
All J2 League standouts →One of the biggest game-time risers in the J2 League: on the pitch for 92% of Iwaki's available minutes this season, up from 27% last year — a bench-to-starter jump the ratings will catch up with at the next checkpoint.
D. Yamaguchi is a 28-year-old central midfielder at Iwaki, rated 28.9 overall by Field Insider's model, ranking 112th of 215 on scout potential in the J2 League. An experienced operator, he has been a rotation option this season (53.3% of available minutes). Below: strengths, watch-points, market-value outlook and the latest transfer news on Yamaguchi.
Judged on this season alone, Yamaguchi graded 0 — a workmanlike campaign that ranks 47th of 62 of the 62 central midfielders in the J2 League, on 0 goals, 0 assists and 0 defensive actions per 90.
We hold a single season for Yamaguchi, so there's no year-on-year comparison to draw yet — the read above is this campaign only.
On long-term talent our Rating reads 29, 33rd of 62 of the 62 central midfielders in the J2 League. At 28 Yamaguchi is in his prime years, and a market index of 3.1 reflects that trajectory.
Output in context · Iwaki finished 8th of 20 · a mid-table side
0 tackles, blocks & interceptions per 90 — light defensive volume, with 2 clean sheets across 11 appearances.
Watch points
- Game time. Only 53.3% of available minutes — needs a settled run to prove the level.
- Defensive numbers. Modest 0 defensive actions per 90 for the position.
- Level. Rates below a nailed-on top-tier starter on our model.
Outlook
With a Rating of 28.9, Yamaguchi carries the 33rd-highest potential of the central midfielders in the J2 League of 62 — though on just 11 appearances this season, so the standing rests on a small sample. Defensively he reads as light defensive volume (0 tackles, blocks & interceptions per 90). Experienced and reliable, but the value curve is easing (1.2× now → 0.9× projected in three years).
Generated from Field Insider's rating model · AI-written analysis to follow.
Season statistics
Bars = where he ranks among central midfielders in the J2 League with 600+ minutes this season.
Shooting
Passing
Yellow/red cards
Transfer news
No transfer news found for this player.
