K League 1
- 20O
- 20W
- 20S
90% or more have a feeSome have a feeNo fee recordedS summer, W winter, O other dates
2020-21 · Summer window
By club
- FC Seoul1 in1 out
- Gimcheon Sangmu1 in1 out
- Gangwon FC1 in0 out
- Incheon United1 in0 out
- Jeju SK0 in1 out
- Jeonbuk Hyundai Motors1 in0 out
- Suwon FC1 in0 out
- Suwon Samsung Bluewings1 in0 out
Sources: Wikipedia (CC BY-SA 4.0), API-Football · Data sources