We identified 177 real signings for the first-team squad — academy promotions, loan returns and transfers that never went through are excluded. 6 youth investments (under-23) are classified separately. This edition introduces the adjusted hit rate, which statistically weights clubs with few signings to avoid small-sample distortions.
Club Ranking
| Club | League pos. | Signings | Evaluated |
Successful | Fair | Unsuccessful | Raw % | Adjusted % |
|---|
| 1 | Cerezo Osaka | 5º | 7 | 7 | 2 | 3 | 2 | 50% | 40% |
| 2 | Yokohama F. Marinos | 1º | 7 | 7 | 3 | 1 | 3 | 50% | 40% |
| 3 | Sanfrecce Hiroshima | 3º | 7 | 6 | 2 | 2 | 2 | 50% | 40% |
| 4 | Sagan Tosu | 11º | 13 | 12 | 4 | 2 | 6 | 42% | 38% |
| 5 | FC Tokyo | 6º | 8 | 7 | 2 | 2 | 3 | 43% | 37% |
| 6 | Kashima | 4º | 6 | 6 | 2 | 1 | 3 | 42% | 36% |
| 7 | Vissel Kobe | 13º | 8 | 8 | 1 | 4 | 3 | 38% | 35% |
| 8 | Jubilo Iwata | 18º | 19 | 19 | 3 | 7 | 9 | 34% | 34% |
| 9 | Consadole Sapporo | 10º | 7 | 7 | 1 | 2 | 4 | 29% | 30% |
| 10 | Shonan Bellmare | 12º | 7 | 7 | 1 | 2 | 4 | 29% | 30% |
| 11 | Urawa | 9º | 12 | 12 | 3 | 1 | 8 | 29% | 30% |
| 12 | Kashiwa Reysol | 7º | 9 | 8 | 1 | 2 | 5 | 25% | 28% |
| 13 | Gamba Osaka | 15º | 10 | 10 | 2 | 1 | 7 | 25% | 28% |
| 14 | Kyoto Sanga | 16º | 27 | 27 | 4 | 6 | 17 | 26% | 27% |
| 15 | Avispa Fukuoka | 14º | 7 | 7 | 1 | 1 | 5 | 21% | 27% |
| 16 | Shimizu S-pulse | 17º | 8 | 7 | 1 | 1 | 5 | 21% | 27% |
| 17 | Nagoya Grampus | 8º | 11 | 11 | 0 | 5 | 6 | 23% | 27% |
| 18 | Kawasaki Frontale | 2º | 4 | 3 | 0 | 0 | 3 | 0% | 23% |
The Adjusted % applies Bayesian weighting toward the league average (32%), proportional to the volume of signings — the ranking's official order.
Hit rate by transfer window
| Window | Signings | Hit rate % |
|---|
| Start-of-season window (Dec-Apr) | 146 | 34% |
| Mid-year window (May-Aug) | 31 | 23% |
Season Highlights
| Player | Club | Pos | Min | G+A | Nota | Rating |
|---|
| Yuma Suzuki | Kashima | F | 2709 | 7+10 | 7.27 | Excellent |
| Makoto Mitsuta | Sanfrecce Hiroshima | F | 2365 | 9+8 | 7.30 | Excellent |
| Anderson Lopes | Yokohama F. Marinos | M | 1730 | 11+6 | 7.14 | Excellent |
| Yuta Higuchi | Kashima | M | 2412 | 2+8 | 7.10 | Excellent |
| Yuto Suzuki | Jubilo Iwata | M | 2712 | 6+4 | 7.01 | Excellent |
| Ken Iwao | Urawa | M | 2400 | 1+6 | 7.30 | Excellent |
Methodology
Each evaluated signing is classified into five tiers from a score that combines match ratings, attacking output adjusted for game time, collective contribution and consistency, in comparison with the other players in the competition. Successful signings count as a full point; Fair ones, half a point. Signings without relevant game time are unsuccessful, except for youth investments (under-23) and serious, documented injuries.
Appendix — Signings by club
* Youth investment (under-23, no game time) — outside the calculation.
Avispa Fukuoka (7 signings)
| Player | Matches | Minutes | Goals | Assists | Rating |
|---|
| Lukian | 34 | 2185 | 3 | 3 | Good |
| Yota Maejima | 24 | 1403 | 1 | 1 | Below expectations |
| Tatsuya Tanaka | 25 | 1046 | 1 | 1 | Fair |
| Takumi Nagaishi | 29 | 636 | 0 | 0 | Did not deliver |
| Yanagi Takahiro | 12 | 458 | 0 | 1 | Did not deliver |
| Yuto Hiratsuka | 8 | 265 | 1 | 0 | Did not deliver |
| Yuta Kumamoto | 9 | 245 | 0 | 0 | Did not deliver |
Cerezo Osaka (7 signings)
| Player | Matches | Minutes | Goals | Assists | Rating |
|---|
| Seiya Maikuma | 29 | 1783 | 3 | 3 | Fair |
| Ryosuke Yamanaka | 23 | 1721 | 0 | 4 | Good |
| Tokuma Suzuki | 29 | 1469 | 2 | 3 | Fair |
| Hikaru Nakahara | 30 | 1146 | 1 | 2 | Below expectations |
| Jean Patric | 28 | 1049 | 5 | 0 | Good |
| Satoki Uejo | 18 | 792 | 2 | 2 | Fair |
| Keisuke Shimizu | 34 | 111 | 0 | 0 | Did not deliver |
Consadole Sapporo (7 signings)
| Player | Matches | Minutes | Goals | Assists | Rating |
|---|
| Shinzo Koroki | 21 | 1350 | 5 | 1 | Good |
| Gabriel Xavier | 27 | 1342 | 3 | 2 | Fair |
| Toya Nakamura | 23 | 378 | 0 | 0 | Did not deliver |
| Daigo Nishi | 22 | 373 | 0 | 0 | Did not deliver |
| Koki Otani | 21 | 267 | 0 | 0 | Did not deliver |
| Geon-heui Kim | 9 | 249 | 2 | 2 | Fair |
| Supachok Sarachart | 9 | 110 | 0 | 2 | Did not deliver |
FC Tokyo (8 signings)
| Player | Matches | Minutes | Goals | Assists | Rating |
|---|
| Jakub Słowik | 33 | 2976 | 0 | 0 | Good |
| Yasuki Kimoto | 33 | 2956 | 2 | 0 | Excellent |
| Koki Tsukagawa | 12 | 772 | 2 | 1 | Fair |
| Luiz Phellype | 12 | 451 | 2 | 1 | Fair |
| Henrique Trevisan | 10 | 419 | 0 | 0 | Did not deliver |
| Keita Yamashita | 20 | 257 | 0 | 0 | Did not deliver |
| Kojiro Yasuda | 2 | 13 | 0 | 0 | Did not deliver |
| Tsubasa Terayama * | 0 | 0 | 0 | 0 | Investment |
Gamba Osaka (10 signings)
| Player | Matches | Minutes | Goals | Assists | Rating |
|---|
| Dawhan | 27 | 1933 | 3 | 1 | Good |
| Mitsuki Saito | 26 | 1701 | 2 | 2 | Good |
| Kyung-won Kwon | 20 | 1149 | 2 | 0 | Did not deliver |
| Hideki Ishige | 23 | 931 | 0 | 3 | Below expectations |
| Juan | 11 | 831 | 1 | 2 | Fair |
| Jun Ichimori | 20 | 810 | 0 | 0 | Did not deliver |
| Shota Fukuoka | 15 | 503 | 0 | 0 | Did not deliver |
| Kei Ishikawa | 15 | 450 | 0 | 0 | Did not deliver |
| Musashi Suzuki | 11 | 315 | 1 | 0 | Did not deliver |
| Taichi Kato | 14 | 96 | 0 | 0 | Did not deliver |
Jubilo Iwata (19 signings)
| Player | Matches | Minutes | Goals | Assists | Rating |
|---|
| Makito Ito | 33 | 2893 | 1 | 0 | Good |
| Yuto Suzuki | 30 | 2712 | 6 | 4 | Excellent |
| Ryuki Miura | 34 | 2464 | 0 | 0 | Below expectations |
| Kenyu Sugimoto | 30 | 1778 | 1 | 0 | Good |
| Norimichi Yamamoto | 26 | 1693 | 1 | 0 | Below expectations |
| Ricardo Graça | 22 | 1602 | 0 | 2 | Fair |
| Kotaro Omori | 26 | 1481 | 2 | 1 | Fair |
| Yuki Otsu | 27 | 1147 | 3 | 1 | Fair |
| Shota Kaneko | 26 | 1141 | 3 | 2 | Fair |
| Ryo Germain | 29 | 1036 | 3 | 0 | Fair |
| Fabián González | 18 | 679 | 6 | 0 | Fair |
| Mahiro Yoshinaga | 19 | 656 | 1 | 2 | Fair |
| Naoki Kanuma | 15 | 627 | 2 | 1 | Below expectations |
| Atsushi Kurokawa | 18 | 379 | 0 | 0 | Did not deliver |
| Alexei Koşelev | 9 | 338 | 0 | 0 | Did not deliver |
| Yuji Kajikawa | 25 | 270 | 0 | 0 | Did not deliver |
| Ko Matsubara | 8 | 219 | 0 | 1 | Below expectations |
| Yutaro Hakamata | 4 | 72 | 0 | 0 | Did not deliver |
| Dudu | 2 | 24 | 0 | 0 | Did not deliver |
Kashima (6 signings)
| Player | Matches | Minutes | Goals | Assists | Rating |
|---|
| Yuma Suzuki | 32 | 2709 | 7 | 10 | Excellent |
| Yuta Higuchi | 32 | 2412 | 2 | 8 | Excellent |
| Min Tae Kim | 25 | 1289 | 1 | 0 | Below expectations |
| Hayato Nakama | 19 | 876 | 2 | 0 | Fair |
| Ryotaro Nakamura | 15 | 299 | 0 | 0 | Did not deliver |
| Blessing Eleke | 4 | 147 | 1 | 1 | Did not deliver |
Kashiwa Reysol (9 signings)
| Player | Matches | Minutes | Goals | Assists | Rating |
|---|
| Tomoya Koyamatsu | 33 | 2025 | 4 | 6 | Good |
| Douglas | 10 | 667 | 4 | 1 | Fair |
| Keita Nakamura | 13 | 643 | 0 | 1 | Below expectations |
| Kaito Mori | 16 | 336 | 4 | 0 | Fair |
| Hidetaka Maie | 8 | 154 | 0 | 0 | Did not deliver |
| Wataru Iwashita | 8 | 96 | 0 | 0 | Did not deliver |
| Haruki Saruta * | 5 | 0 | 0 | 0 | Investment |
| Tatsuya Morita | 12 | 0 | 0 | 0 | Did not deliver |
| Daichi Tagami | 0 | 0 | 0 | 0 | Did not deliver |
Kawasaki Frontale (4 signings)
| Player | Matches | Minutes | Goals | Assists | Rating |
|---|
| Chanathip Songkrasin | 18 | 955 | 0 | 2 | Below expectations |
| Tatsuki Seko | 16 | 311 | 0 | 0 | Did not deliver |
| Shunsuke Ando | 5 | 0 | 0 | 0 | Did not deliver |
| Shin Yamada * | 0 | 0 | 0 | 0 | Investment |
Kyoto Sanga (27 signings)
| Player | Matches | Minutes | Goals | Assists | Rating |
|---|
| Shogo Asada | 32 | 2806 | 0 | 1 | Good |
| Naoto Kamifukumoto | 33 | 2759 | 0 | 0 | Fair |
| Kosuke Shirai | 33 | 2597 | 0 | 2 | Good |
| Shohei Takeda | 31 | 2345 | 1 | 0 | Fair |
| Peter Utaka | 30 | 2135 | 9 | 2 | Good |
| Rikito Inoue | 29 | 2021 | 1 | 0 | Fair |
| Temma Matsuda | 29 | 1896 | 1 | 2 | Fair |
| Kosuke Taketomi | 25 | 1597 | 3 | 3 | Good |
| Takuya Ogiwara | 21 | 1473 | 2 | 1 | Fair |
| Hisashi Appiah Tawiah | 19 | 1351 | 0 | 0 | Did not deliver |
| Daiki Kaneko | 24 | 1151 | 1 | 1 | Below expectations |
| Yuta Toyokawa | 23 | 1103 | 2 | 0 | Below expectations |
| Mendes | 24 | 961 | 0 | 0 | Did not deliver |
| Ryogo Yamasaki | 16 | 730 | 1 | 0 | Below expectations |
| Yuki Honda | 19 | 630 | 0 | 0 | Did not deliver |
| Takumi Miyayoshi | 17 | 584 | 2 | 0 | Below expectations |
| Daigo Araki | 21 | 554 | 0 | 0 | Did not deliver |
| Kyo Sato | 6 | 376 | 0 | 0 | Did not deliver |
| Takahiro Iida | 7 | 376 | 0 | 0 | Did not deliver |
| Genki Omae | 13 | 372 | 2 | 1 | Fair |
| Paulinho Boia | 8 | 161 | 1 | 0 | Did not deliver |
| Origbaajo Ismaila | 14 | 158 | 0 | 0 | Did not deliver |
| Quenten Martinus | 5 | 32 | 0 | 0 | Did not deliver |
| Alan | 3 | 23 | 0 | 0 | Did not deliver |
| Kazuki Tanaka | 2 | 15 | 0 | 0 | Did not deliver |
| Michael Woud | 17 | 0 | 0 | 0 | Did not deliver |
| Gakuji Ota | 2 | 0 | 0 | 0 | Did not deliver |
Nagoya Grampus (11 signings)
| Player | Matches | Minutes | Goals | Assists | Rating |
|---|
| Leo Silva | 34 | 2375 | 1 | 1 | Fair |
| Keiya Sento | 34 | 1899 | 2 | 0 | Fair |
| Noriyoshi Sakai | 17 | 993 | 2 | 0 | Fair |
| Kensuke Nagai | 13 | 864 | 4 | 3 | Fair |
| Takuya Uchida | 21 | 724 | 0 | 1 | Did not deliver |
| Tiago Pagnussat | 28 | 676 | 0 | 0 | Did not deliver |
| Takuya Shigehiro | 9 | 522 | 1 | 1 | Fair |
| Ryota Nagaki | 12 | 445 | 0 | 0 | Did not deliver |
| Naldo | 10 | 232 | 0 | 0 | Did not deliver |
| Akinari Kawazura | 8 | 78 | 0 | 0 | Did not deliver |
| Tsubasa Shibuya | 1 | 0 | 0 | 0 | Did not deliver |
Sagan Tosu (13 signings)
| Player | Matches | Minutes | Goals | Assists | Rating |
|---|
| Diego | 32 | 2739 | 2 | 4 | Excellent |
| Wataru Harada | 30 | 2016 | 0 | 1 | Below expectations |
| Taisei Miyashiro | 22 | 1578 | 8 | 3 | Excellent |
| Yuki Horigome | 29 | 1318 | 3 | 2 | Fair |
| Yuki Kakita | 29 | 1147 | 6 | 1 | Good |
| Yoichi Naganuma | 13 | 1095 | 1 | 1 | Good |
| Naoyuki Fujita | 31 | 995 | 2 | 2 | Below expectations |
| Jun Nishikawa | 14 | 552 | 1 | 2 | Fair |
| Kentaro Moriya | 21 | 330 | 0 | 1 | Did not deliver |
| Yuta Fujiwara | 9 | 231 | 1 | 0 | Did not deliver |
| Kohei Tezuka | 4 | 90 | 0 | 0 | Did not deliver |
| Kyo Sato * | 5 | 47 | 0 | 0 | Investment |
| Joan Oumari | 3 | 1 | 0 | 0 | Did not deliver |
Sanfrecce Hiroshima (7 signings)
| Player | Matches | Minutes | Goals | Assists | Rating |
|---|
| Makoto Mitsuta | 29 | 2365 | 9 | 8 | Excellent |
| Nassim Ben Khalifa | 25 | 1445 | 4 | 1 | Good |
| Takumu Kawamura | 17 | 715 | 3 | 1 | Fair |
| Pieros Sotiriou | 7 | 269 | 1 | 0 | Fair |
| Taishi Semba * | 3 | 95 | 0 | 0 | Investment |
| Goro Kawanami | 23 | 90 | 0 | 0 | Did not deliver |
| Ryo Tanada | 5 | 55 | 0 | 0 | Did not deliver |
Shimizu S-pulse (8 signings)
| Player | Matches | Minutes | Goals | Assists | Rating |
|---|
| Ryohei Shirasaki | 31 | 2632 | 3 | 1 | Good |
| Kamiya Yuta | 24 | 1154 | 1 | 4 | Fair |
| Yago Pikachu | 12 | 660 | 0 | 0 | Below expectations |
| Takashi Inui | 11 | 623 | 1 | 0 | Below expectations |
| Se-hun Oh | 17 | 336 | 1 | 0 | Did not deliver |
| Takeru Kishimoto | 15 | 219 | 0 | 1 | Did not deliver |
| Daigo Takahashi * | 6 | 136 | 1 | 0 | Investment |
| Kengo Nagai | 1 | 0 | 0 | 0 | Did not deliver |
Shonan Bellmare (7 signings)
| Player | Matches | Minutes | Goals | Assists | Rating |
|---|
| Yusuke Segawa | 32 | 2302 | 3 | 1 | Good |
| Takuji Yonemoto | 29 | 1293 | 0 | 0 | Below expectations |
| Yoshihiro Nakano | 13 | 794 | 0 | 1 | Fair |
| Hiroyuki Abe | 13 | 482 | 3 | 1 | Fair |
| Ryota Nagaki | 7 | 344 | 0 | 0 | Did not deliver |
| Hayato Fukushima | 7 | 174 | 0 | 0 | Did not deliver |
| Hiroki Mawatari | 8 | 90 | 0 | 0 | Did not deliver |
Urawa (12 signings)
| Player | Matches | Minutes | Goals | Assists | Rating |
|---|
| Ken Iwao | 29 | 2400 | 1 | 6 | Excellent |
| Ayumu Ohata | 22 | 1429 | 0 | 1 | Fair |
| Yusuke Matsuo | 25 | 1349 | 4 | 3 | Excellent |
| David Moberg Karlsson | 20 | 1058 | 8 | 1 | Good |
| Kazuaki Mawatari | 23 | 982 | 1 | 1 | Below expectations |
| Yuta Miyamoto | 20 | 955 | 0 | 0 | Did not deliver |
| Alex Schalk | 13 | 583 | 1 | 0 | Did not deliver |
| Kai Matsuzaki | 16 | 385 | 1 | 0 | Did not deliver |
| Tetsuya Chinen | 29 | 384 | 1 | 0 | Did not deliver |
| Tomoya Inukai | 8 | 304 | 1 | 0 | Did not deliver |
| Bryan Linssen | 3 | 157 | 0 | 1 | Did not deliver |
| Ayumi Niekawa | 3 | 0 | 0 | 0 | Did not deliver |
Vissel Kobe (8 signings)
| Player | Matches | Minutes | Goals | Assists | Rating |
|---|
| Koya Yuruki | 32 | 2123 | 5 | 5 | Excellent |
| Tomoaki Makino | 25 | 733 | 1 | 0 | Did not deliver |
| Kento Hashimoto | 9 | 669 | 1 | 0 | Fair |
| Yuki Kobayashi | 11 | 594 | 3 | 0 | Fair |
| Takahiro Ogihara | 19 | 591 | 0 | 0 | Did not deliver |
| Nanasei Iino | 8 | 576 | 0 | 0 | Fair |
| Thuler | 7 | 462 | 0 | 0 | Fair |
| Stefan Mugoša | 5 | 91 | 0 | 0 | Did not deliver |
Yokohama F. Marinos (7 signings)
| Player | Matches | Minutes | Goals | Assists | Rating |
|---|
| Katsuya Nagato | 27 | 2154 | 0 | 4 | Good |
| Eduardo | 28 | 1919 | 1 | 1 | Below expectations |
| Takuma Nishimura | 29 | 1754 | 10 | 2 | Good |
| Anderson Lopes | 28 | 1730 | 11 | 6 | Excellent |
| Joel Chima Fujita | 30 | 1535 | 1 | 1 | Fair |
| Yuta Koike | 10 | 419 | 1 | 1 | Below expectations |
| Yan Souza | 5 | 103 | 1 | 0 | Did not deliver |