The most in-form U23 players in K League 1, ranked on Field Insider.
Jin Si-Woo of Gwangju FC is the standout for raw talent across U23 players in K League 1, with a Field Insider Rating of 49.3, and Kim Ju-Chan leads the scoring with 1 goal.
The numbers a scout watches are the year-on-year jumps: Lee Seung-Won has improved his Season rating most, up +13.4 on last season, while Lee Hyun-Yong's scouting Rating has risen fastest, +2.6 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.
| # | Player | Team | Age | Season | Rating |
|---|---|---|---|---|---|
| 1 | Jin Si-WooCentre-back |  Gwangju FC | 23 | 34 | 4920.5% |
| 2 | Lee Seung-WonCentral midfielder |  Gimcheon Sangmu FC | 23 | 18304.5% | 460.7% |
| 3 | Hwang Do-YoonCentral midfielder |  FC Seoul | 23 | 16260.5% | 430.5% |
| 4 | Shin Min-HaCentre-back |  Gangwon FC | 20 | 14185.4% | 441.6% |
| 5 | Seo Myeong-KwanCentre-back |  Ulsan Hyundai FC | 23 | 12 | 42 |
| 6 | Lee Hyun-YongCentre-back |  Suwon City FC | 22 | 10225% | 446.3% |
| 7 | Hwang Jae-WonCentral midfielder |  Daegu FC | 23 | 825.9% | 4415.7% |
| 8 | Jeon Byung-KwanAttacking midfielder |  Jeonbuk Motors | 23 | 850.3% | 475.2% |
| 9 | Park Seong-HunCentre-back | FC Seoul | 23 | 826% | 417.6% |
| 10 | Kang Min-JunCentral midfielder |  Pohang Steelers | 23 | 8 | 43 |
| 11 | Moon Seong-WooCentral midfielder |  FC Anyang | 23 | 7 | 44 |
| 12 | Kang Sang-YoonAttacking midfielder | Jeonbuk Motors | 22 | 477.7% | 463.3% |
| 13 | Han Tae-HuiGoalkeeper | Daegu FC | 22 | 0 | 42 |
