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U21 defenders with the Best Potential in J2 League 2026

The highest-potential U21 defenders in J2 League in 2026, ranked on Field Insider.

Best goalkeepers in J2 LeagueBest midfielders in J2 LeagueBest attackers in J2 LeagueMost in-form defenders in J2 LeagueTop-scoring defenders in J2 LeagueMost valuable defenders in J2 League

At a glance

R. Umeki of Imabari is the standout for raw talent across U21 defenders in J2 League, with a Field Insider Rating of 37.6, and K. Konomi has been the form player this season, grading 11.7.

By our market-value index, Kang Min-Woo of Kataller Toyama is the most valuable name in this group at 6.1.

Best talent
R. Umeki37.6RTG
Imabari
In form
K. Konomi11.7SsN
Consadole Sapporo
Most valuable
Kang Min-Woo6.1val
Kataller Toyama
2 players · ranked by best potentialCustomise →
PlayerTeam
1R. UmekiCentre-backImabari21438
2K. KonomiCentre-backConsadole Sapporo191228