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Most Improved midfielders in J2 League 2026

The most improved midfielders in J2 League in 2026, ranked on Field Insider.

Most improved goalkeepers in J2 LeagueMost improved defenders in J2 LeagueMost improved attackers in J2 LeagueBest midfielders in J2 LeagueMost in-form midfielders in J2 LeagueTop-scoring midfielders in J2 League

At a glance

Keisuke Kasai of Albirex Niigata is the standout for raw talent across midfielders in J2 League, with a Field Insider Rating of 45.6, and K. Nagata has been the form player this season, grading 45, and A. Sato leads the scoring with 5 goals.

The numbers a scout watches are the year-on-year jumps: K. Onose has improved his Season rating most, up +25.3 on last season, while T. Inui's scouting Rating has risen fastest, +1.6 over the same span. Those are the players whose trajectory is bending upward fastest.

By our market-value index, K. Nagata of Vanraure Hachinohe is the most valuable name in this group at 12.

Best talent
Keisuke Kasai45.6RTG
Albirex Niigata
In form
K. Nagata45SsN
Vanraure Hachinohe
Rising potential
T. Inui+1.6RTG
Jubilo Iwata · 22/23→25/26
Most improved
K. Onose+25.3SsN
Shonan Bellmare · 24/25→25/26
Top scorer
A. Sato5goals
Vanraure Hachinohe
Most valuable
K. Nagata12val
Vanraure Hachinohe
22 players · ranked by most improvedCustomise →
PlayerTeam
1K. OnoseCentral midfielderShonan Bellmare33+25.3
24/25→25/26
39179.4%194.4%
2K. FujiwaraDefensive midfielderJubilo Iwata22+20.3
24/25→25/26
26362.5%3034.3%
3K. YamadaCentral midfielderYokohama FC27+19.2
24/25→25/26
36114.3%4116.3%
4Y. HoshiCentral midfielderAlbirex Niigata34+18.9
24/25→25/26
26258.9%1322.8%
5S. OtaCentral midfielderShonan Bellmare30+18.2
24/25→25/26
26239.5%2520.2%
6Danilo GomesWingerAlbirex Niigata27+15
24/25→25/26
21234.4%3514.9%
7K. NishiyaAttacking midfielderTochigi City33+13.6
21/22→25/26
3466.3%1659%
8S. DoiCentral midfielderMontedio Yamagata34+11.5
24/25→25/26
14500%939.5%
9S. TakedaCentral midfielderShonan Bellmare32+10.2
24/25→25/26
18132.5%226.5%
10T. InuiCentral midfielderJubilo Iwata38+9.5
22/23→25/26
2851.6%1413.3%
11N. KanumaCentral midfielderTokushima Vortis28+6.4
24/25→25/26
9237%2724.6%
12E. ShiraiCentral midfielderAlbirex Niigata31+6
24/25→25/26
3025.5%2632.6%
13T. ShimamuraCentral midfielderYokohama FC27+3.8
24/25→25/26
2023.8%3816%
14K. SakakibaraCentral midfielderOita Trinita26+2.1
24/25→25/26
929.2%3425.2%
15T. TsuchiyaCentral midfielderImabari23-2.1
24/25→25/26
918.9%4111%
16H. NakaharaAttacking midfielderSagan Tosu30-2.4
24/25→25/26
1812%2720.6%
17H. OkunoCentral midfielderShonan Bellmare37-5.7
24/25→25/26
1823.7%761.7%
18AdaíltonAttacking midfielderYokohama FC35-7.2
23/24→25/26
1828.7%1054.8%
19M. IkedaCentral midfielderShonan Bellmare27-13.1
24/25→25/26
1744%3532.9%
20Y. KomaiCentral midfielderYokohama FC34-16.7
24/25→25/26
2539.9%1352.8%
21R. AokiCentral midfielderConsadole Sapporo30-28.3
24/25→25/26
877.7%1949.7%
22R. UeharaCentral midfielderJubilo Iwata30-31.8
24/25→25/26
0100%2346%