Most Improved goalkeepers in K League 1 2026
The most improved goalkeepers in K League 1 in 2026, ranked on Field Insider.
At a glance
Han Tae-Hui of Daegu FC is the standout for raw talent across goalkeepers in K League 1, with a Field Insider Rating of 42.2, and Song Bum-Keun has been the form player this season, grading 35.9.
The numbers a scout watches are the year-on-year jumps: Song Bum-Keun has improved his Season rating most, up +31.6 on last season, while Park Cheong-Hyo's scouting Rating has risen fastest, +2.5 over the same span. Those are the players whose trajectory is bending upward fastest.
By our market-value index, Hwang Ju-Ho of FC Seoul is the most valuable name in this group at 10.7.
13 players · ranked by most improvedCustomise →
| Player | Team | |||||
|---|---|---|---|---|---|---|
| 1 | Song Bum-KeunGoalkeeper |  Jeonbuk Motors | 28 | +31.6 24/25→25/26 | 3688.9% | 340.6% |
| 2 | Park Cheong-HyoGoalkeeper |  Gangwon FC | 36 | +16.5 24/25→25/26 | 201.5% | 137.8% |
| 3 | Gu Sung-YunGoalkeeper |  FC Seoul | 32 | +6.5 24/25→25/26 | 30611.9% | 1928.6% |
| 4 | Lee Jun-SeoGoalkeeper |  Daejeon Citizen | 28 | +3.7 24/25→25/26 | 7132.1% | 3112.4% |
| 5 | Hwang In-JaeGoalkeeper |  Pohang Steelers | 32 | +1.4 24/25→25/26 | 1312% | 172.8% |
| 6 | Kim Jeong-HoonGoalkeeper |  FC Anyang | 25 | +0.5 24/25→25/26 | 235.7% | 412.4% |
| 7 | Kang Hyeon-MuGoalkeeper | FC Seoul | 31 | -3.6 24/25→25/26 | 1322.2% | 2317.3% |
| 8 | Lee Chang-GeunGoalkeeper | Daejeon Citizen | 33 | -4.5 24/25→25/26 | 11140.4% | 1417.2% |
| 9 | Oh Seung-HoonGoalkeeper |  Daegu FC | 38 | -8.1 24/25→25/26 | 0100% | 567.3% |
| 10 | Baek Jong-BeomGoalkeeper |  Gimcheon Sangmu FC | 25 | -8.6 24/25→25/26 | 1045.3% | 418.2% |
| 11 | Ahn Joon-SooGoalkeeper | Gimcheon Sangmu FC | 28 | -9.3 24/25→25/26 | 472.1% | 3326.9% |
| 12 | Kim Dong-JunGoalkeeper |  Jeju United FC | 31 | -11.3 24/25→25/26 | 1111.9% | 216% |
| 13 | Jo Hyeon-WooGoalkeeper |  Ulsan Hyundai FC | 34 | -33.9 24/25→25/26 | 558.3% | 123.9% |