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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. Onose has been the form player this season, grading 35.5, and K. Murakoshi 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 +21.4 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 12.3.

Best talent
Keisuke Kasai45.6RTG
Albirex Niigata
In form
K. Onose35.5SsN
Shonan Bellmare
Rising potential
T. Inui+1.6RTG
Jubilo Iwata · 22/23→25/26
Most improved
K. Onose+21.4SsN
Shonan Bellmare · 24/25→25/26
Top scorer
K. Murakoshi5goals
Tegevajaro Miyazaki
Most valuable
K. Nagata12.3val
Vanraure Hachinohe
22 players · ranked by most improvedCustomise →
PlayerTeam
1K. OnoseCentral midfielderShonan Bellmare33+21.4
24/25→25/26
36151.8%194.4%
2K. YamadaCentral midfielderYokohama FC27+15.7
24/25→25/26
3393.5%4116.3%
3K. FujiwaraDefensive midfielderJubilo Iwata22+9.4
24/25→25/26
15167.9%3034.3%
4S. OtaCentral midfielderShonan Bellmare30+7.7
24/25→25/26
15101.3%2520.2%
5T. InuiCentral midfielderJubilo Iwata38+7.7
22/23→25/26
2641.8%1413.3%
6Y. HoshiCentral midfielderAlbirex Niigata34+7.5
24/25→25/26
15102.7%1322.8%
7Danilo GomesWingerAlbirex Niigata27+5.1
24/25→25/26
1279.7%3514.9%
8S. DoiCentral midfielderMontedio Yamagata34+4.6
24/25→25/26
7200%939.5%
9N. KanumaCentral midfielderTokushima Vortis28+1.6
24/25→25/26
459.3%2724.6%
10S. TakedaCentral midfielderShonan Bellmare32+1.2
24/25→25/26
915.6%226.5%
11K. NishiyaAttacking midfielderTochigi City32-0.7
21/22→25/26
203.4%1659%
12K. SakakibaraCentral midfielderOita Trinita25-2.6
24/25→25/26
536.1%3425.2%
13E. ShiraiCentral midfielderAlbirex Niigata30-6
24/25→25/26
1825.5%2632.6%
14T. ShimamuraCentral midfielderYokohama FC27-6.1
24/25→25/26
1038.1%3816%
15T. TsuchiyaCentral midfielderImabari22-6.6
24/25→25/26
559.5%4111%
16H. NakaharaAttacking midfielderSagan Tosu30-8.7
24/25→25/26
1143.5%2720.6%
17H. OkunoCentral midfielderShonan Bellmare37-12.7
24/25→25/26
1152.7%761.7%
18AdaíltonAttacking midfielderYokohama FC35-15.5
23/24→25/26
1061.8%1054.8%
19M. IkedaCentral midfielderShonan Bellmare27-18.5
24/25→25/26
1162.1%3532.9%
20Y. KomaiCentral midfielderYokohama FC34-27
24/25→25/26
1564.4%1352.8%
21R. UeharaCentral midfielderJubilo Iwata30-31.8
24/25→25/26
0100%2346%
22R. AokiCentral midfielderConsadole Sapporo30-32.4
24/25→25/26
489%1949.7%