| Season | League | Apps | Min | Goals | Assists | G+A / 90 | Rating |
|---|---|---|---|---|---|---|---|
| — | J2-League | 1 | 85 | 0 | 0 | — | 6.26 |
| 2020 | J2-League | 3 | 19 | 0 | 0 | — | — |
| 2021 | J2-League | 12 | 381 | 0 | 0 | 0 | — |
| 2022 | J1 League | 10 | 334 | 0 | 0 | 0 | 6.71 |
| 2023 | J2-League | 21 | 1036 | 1 | 0 | 0.09 | — |
| 2024 | J2-League | 27 | 1906 | 3 | 1 | 0.19 | 6.94 |
| 2025 | J2-League | 27 | 1891 | 1 | 1 | 0.1 | 6.44 |
Domestic league competitions only (SportMonks sub_type='domestic'); national-team, continental and cup competitions are excluded. Classification resolved by league id against the canonical leagues index. G+A/90 computed from minutes actually played.
Cohort: 15 J2-League defenders, 2025, min. 450 minutes. Computed by ranking the full league corpus, not taken from any feed.
Figures computed from the GioScore season-stats database · as of 2026-08-20
Player stats against each opponent club
| Team | MP | W | D | L | G | A | ||
|---|---|---|---|---|---|---|---|---|
 Ehime | 6 | 5 | 0 | 1 | 0 | 0 | 0 | 0 |
 JEF United | 5 | 0 | 3 | 2 | 0 | 0 | 1 | 0 |
 Omiya Ardija | 4 | 1 | 1 | 2 | 0 | 0 | 0 | 1 |
 Montedio Yamagata | 4 | 2 | 0 | 2 | 0 | 0 | 0 | 0 |
 Tokushima Vortis | 3 | 0 | 1 | 2 | 0 | 0 | 0 | 0 |
 Júbilo Iwata | 3 | 2 | 0 | 1 | 0 | 0 | 0 | 0 |
 V-Varen Nagasaki | 3 | 1 | 1 | 1 | 0 | 0 | 1 | 0 |
 Vegalta Sendai | 3 | 0 | 0 | 3 | 0 | 0 | 0 | 0 |
 Renofa Yamaguchi | 3 | 1 | 2 | 0 | 0 | 0 | 0 | 0 |
 Iwaki | 3 | 1 | 1 | 1 | 0 | 0 | 0 | 0 |
 Sagan Tosu | 2 | 0 | 0 | 2 | 0 | 0 | 0 | 0 |
 Ventforet Kofu | 2 | 0 | 1 | 1 | 1 | 0 | 0 | 0 |
 Shimizu S-Pulse | 2 | 0 | 1 | 1 | 1 | 0 | 0 | 0 |
 Fagiano Okayama | 2 | 0 | 2 | 0 | 0 | 0 | 1 | 0 |
 ThespaKusatsu Gunma | 2 | 1 | 1 | 0 | 0 | 0 | 0 | 0 |
 Imabari | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 0 |
 Roasso Kumamoto | 2 | 2 | 0 | 0 | 0 | 0 | 1 | 0 |
 Zweigen Kanazawa | 2 | 1 | 1 | 0 | 0 | 0 | 1 | 0 |
 Tochigi | 2 | 1 | 1 | 0 | 0 | 0 | 0 | 0 |
 Blaublitz Akita | 2 | 2 | 0 | 0 | 0 | 0 | 0 | 0 |
The 2025 J2-League line for Kazuma Nagai: 27 appearances (1,891 minutes), 1 goal, 1 assist — 0.1 goal involvements per 90. That season graded out at an average match rating of 6.44. Among 15 J2-League defenders with 450+ minutes in 2025, his match rating sits in the 53rd percentile, above the median, while ranking 6th of 15 for goals.
2024 stands as his highest-rated season (6.94, J2-League), with 2025 the weakest (6.44).
