Lee Gyu-Sung is identified here as Korea Republic, Midfielder, born 1994-05-10, team Ulsan Hyundai FC.
This sidelined view uses that resolved player identity for 2026/2027, so career and season data are not merged with another footballer who shares the same name.
Lee Gyu-Sung Player sidelined history
This page presents Lee Gyu-Sung sidelined. Select a season and tournament where available to review club, league, cup and international records.