The fastest-growing (by % Rating change) U21 players from Japan, ranked on Field Insider.
K. Kita of Real Sociedad II is the standout for raw talent across U21 players from Japan, with a Field Insider Rating of 65.1, and K. Goto has been the form player this season, grading 46.2.
The numbers a scout watches are the year-on-year jumps: K. Kosugi has improved his Season rating most, up +29.1 on last season, while K. Goto's scouting Rating has risen fastest, +17.8 over the same span. Those are the players whose trajectory is bending upward fastest.
By our market-value index, K. Takai of Borussia Mönchengladbach is the most valuable name in this group at 103.1.
| # | Player | Team | Age | Δ% | Season | Rating |
|---|---|---|---|---|---|---|
| 1 | K. GotoCentre-forward |  St. Truiden | 21 | +39.2 24/25→25/26 | 4686.3% | 6339.2% |
| 2 | K. KosugiFull-back |  Djurgardens IF | 20 | +18.6 24/25→25/26 | 43206.4% | 4218.6% |
| 3 | N. KumataCentre-forward |  Iwaki | 21 | +16.1 23/24→25/26 | 410.2% | 4816.1% |
| 4 | K. YasudaCentral midfielder |  KRC Genk II | 21 | +3.4 24/25→25/26 | 8110.3% | 403.4% |
| 5 | Y. NakajimaAttacking midfielder |  Sanfrecce Hiroshima | 20 | +1.2 24/25→25/26 | 0100% | 491.2% |
| 6 | K. DoiCentre-back |  FC Tokyo | 21 | +0.8 24/25→25/26 | 2141.1% | 510.8% |
| 7 | S. KitanoAttacking midfielder |  Red Bull Salzburg | 21 | -1.8 24/25→25/26 | 31309.2% | 491.8% |
