Field Insider

Most Valuable defenders by Market Value in K League 1 2026

The most valuable defenders in K League 1 in 2026, ranked on Field Insider.

At a glance

Choi Woo-Jin of Jeonbuk Motors is the standout for raw talent across defenders in K League 1, with a Field Insider Rating of 46.3, and Jin Si-Woo has been the form player this season, grading 33.2, and Kim Kang-San leads the scoring with 2 goals.

The numbers a scout watches are the year-on-year jumps: Song Jun-Seok has improved his Season rating most, up +23.7 on last season, while Lee Hyun-Yong's scouting Rating has risen fastest, +2.9 over the same span. Those are the players whose trajectory is bending upward fastest.

By our market-value index, Jin Si-Woo of Gwangju FC is the most valuable name in this group at 13.5.

50 players · ranked by highest valueCustomise →
PlayerTeam
1Jin Si-WooCentre-backGwangju FC2413.53365.2%430.7%
2Song Jun-SeokCentre-backGimcheon Sangmu FC2512.73126.4%446.6%
3Choi JunFull-backFC Seoul2711.52768.4%3814.3%
4Choi Seok-HyunFull-backUlsan Hyundai FC2311.4738.3%4611.8%
5Cho Hyun-TaekFull-backUlsan Hyundai FC2511.276.3%4510.3%
6Kang Joon-HyuckFull-backGangwon FC2711.12655.8%4215.8%
7Jo Seong-KwonCentre-backDaejeon Citizen2511.1182.8%416.4%
8Kim Ha-JunCentre-backJeonbuk Motors241154900%437.8%
9Cho Wi-JeFull-backJeonbuk Motors251124456.1%
10Choi Woo-JinFull-backJeonbuk Motors2210.72046
11Kim Ryun-SeongFull-backJeju United FC2410.71411.9%45±0%
12Park Jin-YoungFull-backFC Seoul2410.6744.1%4310%
13Seo Myeong-KwanCentre-backUlsan Hyundai FC2310.6560.3%421.4%
14Hong Sung-WookFull-backBucheon FC 19952410.61514700%438%
15Park Seong-HunCentre-backFC Seoul2310.5532.5%434.6%
16Kim Hyeon-JunCentre-backDaegu FC2410.42426.5%
17Lee Hyun-YongCentre-backSuwon City FC2210.310212.5%457%
18Jang Young-WooCentre-backSuwon City FC2410.2042
19Byeon Jun-SooCentre-backGimcheon Sangmu FC2410.1381.1%407.8%
20João PedroFull-backGwangju FC2310095.7%3713.6%
21Hwang In-TaekCentre-backDaegu FC239.9140
22Kwon Do-YeongCentre-backSuwon City FC239.9040
23Shin Min-HaCentre-backGangwon FC219.81213.9%453.9%
24Kang Min-JunCentre-backPohang Steelers239.8639.6%425%
25Jo Hyun-TaeCentre-backDaegu FC229.71421.4%
26Lee Woo-YeonCentre-backJeonbuk Motors239.7040
27Ma Ji-KangCentre-backJeonbuk Motors239.7040
28Kwon Seok-JooCentre-backGangwon FC239.7040
29Lee Won-WooFull-backDaegu FC239.71403.4%
30Kwak Seung-MinCentre-backFC Seoul229.6040
31Park Kyu-HyunFull-backDaejeon Citizen259.683650%38±0%
32Kwon Sung-YunFull-backGwangju FC259.61362.5%
33Gi-min KwonCentre-backJeju United FC219.6444
34Kim Tae-HyeonCentre-backDaejeon Citizen239.5038
35Kang Seong-YunCentre-backDaejeon Citizen239.5038
36Lee Han-BinCentre-backDaejeon Citizen239.5038
37Lee Sang-myungFull-backJeonbuk Motors229.5041
38Bae Hyun-SeoCentre-backFC Seoul219.5043
39Park Tae-RangCentre-backGangwon FC249.5040
40Park Jae-HyunFull-backDaegu FC239.5083.3%4012.7%
41Kim Tae-HwanCentre-backJeju United FC269.414255.3%386.2%
42Yoon Jae-SeokFull-backGimcheon Sangmu FC239.4089.7%3810.2%
43Lee Sun-HoCentre-backDaejeon Citizen229.3038
44Kim Hyeon-DeokCentre-backFC Seoul219.3042
45Hong Jae-seokCentre-backDaegu FC239.30100%386.8%
46Jae-hyeon KimFull-backFC Anyang229.3240
47Jo In-JungCentre-backJeju United FC209.36469.5%
48Jung Heon-TaekCentre-backDaegu FC249.3038
49M. TuciCentre-backGangwon FC279.22331.6%3812.5%
50Park Ju-SeungCentre-backJeju United FC229.2040