Most improved players in K League 1

The most improved players in K League 1, ranked on Field Insider.

At a glance

Jin Si-Woo of Gwangju FC is the standout for raw talent across players in K League 1, with a Field Insider Rating of 49.3, and P. Sabbag leads the scoring with 10 goals.

The numbers a scout watches are the year-on-year jumps: P. Sabbag has improved his Season rating most, up +22.2 on last season, while Jo Seong-Kwon's scouting Rating has risen fastest, +3.6 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 33.5.

Gwangju FC · 24/25→25/26

Most improved

P. Sabbag+22.2SsN

Suwon City FC · 21/22→25/26

50 players · ranked by most improvedCustomise →

#	Player	Team	Age	ΔSsN	Season	Rating
1	P. Sabbag Centre-forward	Suwon City FC	29	+22.2 21/22→25/26	26652.9%	3032.3%
2	Park Jin-Seop Centre-back	Jeonbuk Motors	30	+20.7 24/25→25/26	28268.8%	2528.1%
3	Song Jun-Seok Full-back	Gangwon FC	25	+17.2 24/25→25/26	25232.4%	419.3%
4	Park Cheong-Hyo Goalkeeper	Gangwon FC	36	+16.2 24/25→25/26	20415.4%	1216%
5	Jo Seong-Kwon Full-back	Gwangju FC	25	+15.4 24/25→25/26	18592.3%	448.9%
6	Kim Gun-Hee Centre-forward	Gangwon FC	31	+14.9 24/25→25/26	15	2017.4%
7	Lee Dong-Gyeong Centre-forward	Gimcheon Sangmu FC	28	+14.8 24/25→25/26	3191.4%	3612.8%
8	Song Bum-Keun Goalkeeper	Jeonbuk Motors	28	+14.7 24/25→25/26	19341.9%	3420%
9	Maeng Seong-Ung Central midfielder	Gimcheon Sangmu FC	28	+14.6 24/25→25/26	18394.6%	3213.8%
10	Hong Jeong-Ho Centre-back	Jeonbuk Motors	36	+14.2 24/25→25/26	20244.8%	12±0%
11	Lee Soon-Min Central midfielder	Daejeon Citizen	32	+13.6 24/25→25/26	22156.3%	1929.2%
12	Lee Seung-Won Central midfielder	Gimcheon Sangmu FC	23	+13.4 24/25→25/26	18304.5%	460.7%
13	Park Tae-Jun Central midfielder	Gimcheon Sangmu FC	27	+13 24/25→25/26	25112.1%	3816.5%
14	Lee Dong-Jun Central midfielder	Gimcheon Sangmu FC	29	+12.4 24/25→25/26	19182.4%	2915.2%
15	Mo Jae-Hyeon Central midfielder	Gangwon FC	29	+11.4 24/25→25/26	2771.7%	3020.4%
16	Hwang Do-Yoon Central midfielder	FC Seoul	23	+11.2 24/25→25/26	16260.5%	430.5%
17	Lee Chang-Min Central midfielder	Jeju United FC	32	+9.3 23/24→25/26	15157.6%	1737.6%
18	Kim Tae-Hyun Full-back	Jeonbuk Motors	29	+9.2 24/25→25/26	17113.6%	2820.6%
19	Oh Hu-Seong Central midfielder	Gwangju FC	26	+9.1 24/25→25/26	10827.3%	40±0%
20	Shin Min-Ha Centre-back	Gangwon FC	20	+8.9 24/25→25/26	14185.4%	441.6%
21	Kim Seung-Sub Central midfielder	Gimcheon Sangmu FC	29	+8.6 24/25→25/26	15130.3%	2914%
22	Kim Jin-Su Full-back	FC Seoul	34	+8.3 24/25→25/26	1794.3%	1328.5%
23	Kim Tae-Hwan Full-back	Jeonbuk Motors	36	+8 24/25→25/26	1696.4%	125.5%
24	Kim Jin-Gyu Attacking midfielder	Jeonbuk Motors	29	+7.7 24/25→25/26	12179.1%	3014.6%
25	Byeon Jun-Soo Centre-back	Gwangju FC	24	+7.6 24/25→25/26	1686.4%	4410.3%
26	Lee Hyun-Yong Centre-back	Suwon City FC	22	+7.2 24/25→25/26	10225%	446.3%
27	Park Sang-Hyeok Centre-forward	Gimcheon Sangmu FC	24	+6.9 24/25→25/26	2053.5%	46±0%
28	Jeon Min-Gwang Centre-back	Pohang Steelers	33	+6.8 24/25→25/26	2244.2%	1541.6%
29	Hernandes Central midfielder	Daejeon Citizen	26	+6.6 24/25→25/26	13103.1%	412.4%
30	Sim Sang-Min Full-back	Gwangju FC	33	+6.4 24/25→25/26	12116.4%	1330.4%
31	Nam Tae-Hee Centre-forward	Jeju United FC	35	+5.7 24/25→25/26	1466.3%	1110.3%
32	Lee Tae-Hee Full-back	FC Anyang	34	+5.4 22/23→25/26	10125.6%	1148.1%
33	Lee You-Hyeon Central midfielder	Gangwon FC	29	+5 24/25→25/26	1364.9%	2631.1%
34	João Victor Winger	Daejeon Citizen	27	+4.7 20/21→25/26	9109.3%	3631.1%
35	Lucas Silva Central midfielder	FC Seoul	26	+4.5 24/25→25/26	1257.7%	3616%
36	Kim Jung-Hyun Central midfielder	FC Anyang	33	+4.5 20/21→25/26	9100%	1266%
37	Kim Ju-Kong Centre-forward	Daegu FC	30	+4.3 24/25→25/26	1253.1%	2421.2%
38	Reis Centre-forward	Gwangju FC	33	+4.2 24/25→25/26	1927.6%	1533.6%
39	Kim Bong-Soo Central midfielder	Daejeon Citizen	26	+3.8 24/25→25/26	1533%	4121.6%
40	Yazan Al Arab Centre-back	FC Seoul	30	+3.3 24/25→25/26	1822.6%	2422.2%
41	Lee Zi-Sol Centre-back	Suwon City FC	27	+3.2 24/25→25/26	6123.1%	3415%
42	Shin Chang-Moo Central midfielder	Gwangju FC	33	+3.1 24/25→25/26	952.5%	1232.6%
43	Hwang In-Jae Goalkeeper	Pohang Steelers	32	+3.1 24/25→25/26	1427.9%	1836.6%
44	Kim Kyeong-Min Goalkeeper	Gwangju FC	34	+3 24/25→25/26	1820%	1350.6%
45	M. Tuci Centre-back	Gangwon FC	27	+2.9 24/25→25/26	1720.4%	3432%
46	Shin Kwang-Hoon Full-back	Pohang Steelers	39	+2.8 24/25→25/26	1328.6%	642.6%
47	Lee Jae-Won Central midfielder	Suwon City FC	29	+2.5 24/25→25/26	2212.6%	2922.7%
48	Jeong Chi-In Central midfielder	Daegu FC	28	+1.7 24/25→25/26	1021.2%	3121.6%
49	Kim Young-Gwon Centre-back	Ulsan Hyundai FC	36	+1.7 24/25→25/26	219%	1312.6%
50	Cho Hyun-Taek Full-back	Ulsan Hyundai FC	24	+1.6 24/25→25/26	1118%	430.5%